learning homework meaning

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• Managing resources

The role of homework

Homework seems to be an accepted part of teachers’ and students’ routines, but there is little mention of it in ELT literature.

The role of homework is hardly mentioned in the majority of general ELT texts or training courses, suggesting that there is little question as to its value even if the resulting workload is time-consuming. However, there is clearly room for discussion of homework policies and practices particularly now that technology has made so many more resources available to learners outside the classroom.

Reasons for homework

• Attitudes to homework
• Effective homework
• Types of homework
• Homework is expected by students, teachers, parents and institutions.
• Homework reinforces and helps learners to retain information taught in the classroom as well as increasing their general understanding of the language.
• Homework develops study habits and independent learning. It also encourages learners to acquire resources such as dictionaries and grammar reference books. Research shows that homework also benefits factual knowledge, self-discipline, attitudes to learning and problem-solving skills.
• Homework offers opportunities for extensive activities in the receptive skills which there may not be time for in the classroom. It may also be an integral part of ongoing learning such as project work and the use of a graded reader.
• Homework provides continuity between lessons. It may be used to consolidate classwork, but also for preparation for the next lesson.
• Homework may be used to shift repetitive, mechanical, time-consuming tasks out of the classroom.
• Homework bridges the gap between school and home. Students, teachers and parents can monitor progress. The institution can involve parents in the learning process.
• Homework can be a useful assessment tool, as part of continual or portfolio assessment.

Attitudes to homework Teachers tend to have mixed feelings about homework. While recognising the advantages, they observe negative attitudes and poor performance from students. Marking and giving useful feedback on homework can take up a large proportion of a teacher’s time, often after school hours.

• Students themselves complain that the homework they are given is boring or pointless, referring to homework tasks that consist of studying for tests, doing workbook exercises, finishing incomplete classwork, memorising lists of vocabulary and writing compositions. Where this is actually the case, the negative effects of homework can be observed, typified by loss of interest and a view of homework as a form of punishment.
• Other negative effects of poorly managed homework include lack of necessary leisure time and an increased differential between high and low achievers. These problems are often the cause of avoidance techniques such as completing homework tasks in class, collaborating and copying or simply not doing the required tasks. In turn, conflict may arise between learners, teachers, parents and the institution.

Effective homework In order for homework to be effective, certain principles should be observed.

• Students should see the usefulness of homework. Teachers should explain the purpose both of homework in general and of individual tasks.
• Tasks should be relevant, interesting and varied.
• Good classroom practice also applies to homework. Tasks should be manageable but achievable.
• Different tasks may be assigned to different ability groups. Individual learning styles should be taken into account.
• Homework should be manageable in terms of time as well as level of difficulty. Teachers should remember that students are often given homework in other subjects and that there is a need for coordination to avoid overload. A homework diary, kept by the learner but checked by teachers and parents is a useful tool in this respect.
• Homework is rarely co-ordinated within the curriculum as a whole, but should at least be incorporated into an overall scheme of work and be considered in lesson planning.
• Homework tends to focus on a written product. There is no reason why this should be the case, other than that there is visible evidence that the task has been done.
• Learner involvement and motivation may be increased by encouraging students to contribute ideas for homework and possibly design their own tasks. The teacher also needs to know how much time the students have, what facilities they have at home, and what their preferences are. A simple questionnaire will provide this data.
• While homework should consolidate classwork, it should not replicate it. Home is the outside world and tasks which are nearer to real-life use of language are appropriate.
• If homework is set, it must be assessed in some way, and feedback given. While marking by the teacher is sometimes necessary, peer and self-assessment can encourage learner independence as well as reducing the teacher’s workload. Motivating students to do homework is an ongoing process, and encouragement may be given by commenting and asking questions either verbally or in written form in order to demonstrate interest on the teacher’s part, particularly in the case of self-study and project work.

Types of homework There are a number of categories of useful and practicable homework tasks.

• Workbook-based tasks Most published course materials include a workbook or practice book, mainly including consolidation exercises, short reading texts and an answer key. Most workbooks claim to be suitable for both class and self-study use, but are better used at home in order to achieve a separation of what is done in class and at home. Mechanical practice is thus shifted out of class hours, while this kind of exercise is particularly suited to peer- or self-checking and correction.
• Preparation tasks Rarely do teachers ask learners to read through the next unit of a coursebook, though there are advantages in involving students in the lesson plan and having them know what is coming. More motivating, however, is asking students to find and bring materials such as photographs and pictures, magazine articles and realia which are relevant to the next topic, particularly where personalisation or relevance to the local context requires adaptation of course materials.
• Extensive tasks Much can be gained from the use of graded readers, which now often have accompanying audio material, radio and TV broadcasts, podcasts and songs. Sometimes tasks need to be set as guidance, but learners also need to be encouraged to read, listen and watch for pleasure. What is important is that learners share their experiences in class. Extensive reading and listening may be accompanied by dictionary work and a thematic or personalised vocabulary notebook, whereby learners can collect language which they feel is useful.
• Guided discovery tasks Whereas classroom teaching often involves eliciting language patterns and rules from learners, there is also the option of asking learners to notice language and make deductions for themselves at home. This leads to the sharing of knowledge and even peer teaching in the classroom.
• Real-world tasks These involve seeing, hearing and putting language to use in realistic contexts. Reading magazines, watching TV, going to the cinema and listening to songs are obvious examples, offering the option of writing summaries and reviews as follow-up activities. Technology facilitates chat and friendship networks, while even in monolingual environments, walking down a shopping street noticing shop and brand names will reveal a lot of language. As with extensive tasks, it is important for learners to share their experiences, and perhaps to collect them in a formal or informal portfolio.
• Project work It is a good idea to have a class or individual projects running over a period of time. Projects may be based on topics from a coursebook, the locality, interests and hobbies or selected individually. Project work needs to be guided in terms of where to find resources and monitored regularly, the outcome being a substantial piece of work at the end of a course or term of which the learner can claim ownership.

Conclusion Finally, a word about the Internet. The Web appears to offer a wealth of opportunity for self-study. Certainly reference resources make project work easier and more enjoyable, but cutting and pasting can also be seen as an easy option, requiring little originality or understanding. Conferring over homework tasks by email can be positive or negative, though chatting with an English-speaking friend is to be encouraged, as is searching for visual materials. Both teachers and learners are guilty of trawling the Net for practice exercises, some of which are untried, untested and dubious in terms of quality. Learners need guidance, and a starting point is to provide a short list of reliable sites such as the British Council's  LearnEnglish  and the BBC's Learning English  which provide a huge variety of exercises and activities as well as links to other reliable sources. Further reading Cooper, H. Synthesis of Research on Homework . Educational Leadership 47/3, 1989 North, S. and Pillay, H. Homework: re-examining the routin e. ELT Journal 56/2, April 2002 Painter, L. Homework . English Teaching Professional, Issue 10, 1999 Painter, L. Homework . OUP Resource Books for Teachers, 2003

First published in October 2007

Mr. Steve Darn I liked your…

Mr. Steve Darn I liked your method of the role of the homework . Well, I am one of those laggard people. Unfortunately, when it comes to homework, I definitely do it. Because, a student or pupil who understands new topics, of course, does his homework to know how much he understands the new topic. I also completely agree with all of Steve Darn's points above. However, sometimes teachers give a lot of riff-raff homework, just like homework is a human obligation. This is a plus. But in my opinion, first of all, it is necessary to divide the time properly, and then to do many tasks at home. Only then will you become an "excellent student" in the eyes of the teacher. Although we live in the age of technology, there are still some people who do not know how to send homework via email. Some foreign teachers ask to send tasks by email. Constant email updates require time and, in rare cases, a fee. My above points have been the cause of constant discussions.

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Homework: How to Effectively Build the Learning Bridge

How has the global health crisis impacted the place that homework has in student learning and the school-home connection? Homework holds its place as a school tradition, expected by students and their parents as part of the experience of growing and learning. While there is ongoing debate about homework’s effectiveness, it is traditionally seen as a tool that strengthens academics by providing learning practice at home. John Hattie’s meta-analysis of relevant research on educational practices found that the overall effects of homework on learning are positive, and that the positive effect is highest for junior high and high school students but generally neutral for elementary students. In addition, there is variability depending on the type of homework as well as student demographics (Hattie, 2008).

Schools implementing the Responsive Classroom approach, whether in person or virtually, use homework to effectively build a learning bridge between home and school. When homework is used as a tool to build social, emotional, and academic learning beyond the school day, it takes on a different look and purpose than just more work to do at home. The goal of Responsive Classroom schools is to design homework that meets the basic needs of significance and belonging for every student by strengthening relationships, differentiating what success looks like for each child, and supporting students’ social, emotional, and academic learning.

Focus on Relationships

Homework that impedes relationships— either teacher-to-student, teacher-toparent, or student-to-parent—can potentially damage the home-school partnership. When educators examine the amount, type, and expectations of homework, they often start with the impact of homework on academic achievement. But when schools look beyond academic achievement and also include relationships, they will often rethink the look and purpose of homework.

Effectively building this school-to-home connection starts by replacing homework that impedes relationships with homework that will enhance them. Examples for building these connections include ways for students to share about family traditions, cultural practices, and/or family adventures. Lauren Komanitsky, a special education teacher at Christa McAuliffe Middle School in Jackson, New Jersey, observes:

I’ve seen tremendous enthusiasm for homework and projects that involve family members and their family history. [Students] love to learn about ancestors, interesting facts and stories, and simply getting a deeper understanding of their background. It inspires pride in them and that’s important for their identity. Students also love to do surveys and interviews of their family members. I think anything designed to create good, meaningful conversation between students and their families is time well spent. Lauren Komanitsky (personal communication, February 7, 2021)

Schools that use homework to strengthen home-school relationships embed opportunities for students to develop belonging and significance. As students share the home connections with their classmates and teachers, the classroom community will develop a larger sense of belonging because students see connections among common experiences.

Build Success for Every Student

Classrooms are diverse communities. While teachers intentionally differentiate learning during the school day, providing homework that meets the individual and cultural needs of each student requires additional attention.

One strategy for success for every student is to provide choice. Komanitsky has seen this strategy work when she has had students reflect on what they need and then select homework to meet that need:

Having kids select specific problems from a group, select what part of an overall project they are choosing to focus on, etc. . . . helps with creating a sense of autonomy. When we can give kids a choice in their learning based on their own self-reflection, they learn what it feels like to be in control of the process and this leads to more success. Lauren Komanitsky (personal communication, February 7, 2021)

When homework is designed for success for each student, the bridge between home and school supports a higher level of success and engagement.

Include Practice of Social and Emotional Learning Skills

The first guiding principle of the Responsive Classroom approach states, “Teaching social and emotional skills is as important as teaching academic content.” Social and emotional learning (SEL) is embedded in academic learning throughout the school day. Teachers can create a bridge between home and school by suggesting opportunities for students to practice SEL skills at home and in their community. For example, parents can have their children practice speaking with confidence by having them “make a request, place an order, or thank customer service workers” (Wilson, 2014, p. 67).

In addition, homework may involve students having conversations with family members about their learning histories—the successes, struggles, and strategies t hey encountered when they were students at different levels. When family members share their learning histories, students discover the application of the SEL and academic competencies of perseverance, cooperation, and responsibility. As Komanitsky points out:

When we share how we overcame struggles in certain academic subjects, it encourages perseverance and resilience in our students. Having parents and kids discuss their personal strengths and weaknesses and how they compensate when necessary is also a really good conversation. Lauren Komanitsky (personal communication, February 7, 2021)

Homework that focuses on SEL competencies provides for the transfer of these vital skills to a variety of real-life situations, both at home and in the community.

When schools approach homework as an extension of the learning day and see it as a way to strengthen relationships—between teachers and parents, students and parents, and students and teachers—homework becomes a valuable part of the school experience for every child. Students’ needs for belonging and significance are met and strengthened when homework provides for individual success. And when educators view homework as a tool to strengthen academic, social, and emotional learning, it becomes a valuable piece of the learning puzzle for every student.

• Hattie, J. (2008). Visible learning: A synthesis of over 800 meta-analyses relating to achievement. Routledge.
• Wilson, M. B. (2014). The language of learning: Teaching students core thinking, listening, and speaking skills. Center for Responsive Schools, Inc

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Help your students succeed in exams with these targeted and teacher-tested homework strategies

Source: © Natalia Smu/Shutterstock

Targeted homework tasks can be a student’s (and their teacher’s) best friend when it comes to exam performance

Homework plays a vital role in consolidating in-class learning. Effective science homework provides the extension to learning that students need to succeed, and gives us vital data to inform our planning. An EEF study on the impact of homework in secondary schools  says that regular homework can have the same positive effect as five additional months in the classroom, as well as ‘enabling pupils to undertake independent learning to practise and consolidate skills and revise for exams’. That said, getting students to complete homework is no mean feat.

There are multiple strategies we can implement to ensure homework has meaning and students appreciate the benefits of homework in their learning. This is especially useful when they’re preparing for exams.

Strategies to engage your students

A few strategies have worked well for me with exam classes.

I deliver the homework in chunks (eg half termly), clearly explaining the rationale. As an example, my year 11 chemistry students performed poorly on electrolysis and titration calculation in their mock exams so, after reteaching, I wanted to ensure they rehearsed the concepts. As part of the homework they had to repeat tasks on these concepts. We then reviewed and adjusted the plan as a class to focus on their weaker areas.

I give praise often. Students love rewards in whatever form. I always discuss what rewards the class prefers. You can use stickers, certificates, etc.

It’s important to be flexible. An exam year can be a stressful time for students and so flexibility is key. I ask my students about the minimum they could manage. They feel valued and part of the decision-making process, making them more likely to complete it.

Identify students/parents/carers who need support. With some of my students, I had the most success in this area by meeting with or emailing their parents/carers and providing strategies for completion, such as doing the homework every Saturday at a specific time. An email every so often to check how they are doing goes a long way.

Using online platforms

When I was a faculty lead, homework was a key focus for our department and so we did some research into online retrieval platforms which were easy to manage, self-marking and provided both students and teachers with information on learning gaps. We found several platforms to fit our criteria, such as quizzing platforms,  Kay Science  – great for missed learning catch up, revision and intervention for small groups – and  Carousel – that helps students embed long-term knowledge. We then took a few key steps to increase buy-in.

Often students struggled with passwords, regardless of ease, so we booked laptops for all classes and the teacher modelled logging in, and checked every student could log in and complete a task. At times students would say they didn’t know the answers, but often this was because they’d not watched the videos. So we reminded them to do that first. There was also a short video of how to log in on the school’s homework platform for extra support.

We mapped homework to the curriculum. Students had to be familiar with the content, so homework tasks supplemented in-class learning.

We did everything we could to minimise barriers. All students who had a record of incomplete homework were encouraged to attend homework club and we allowed extensions in case they just forgot. The barriers to completing homework varied between households and sometimes a conversation to identify them and offer support was all that was needed.

The senior leadership team knew what platform we were using, so they could discuss it with all students, parents and governors. We also presented the chosen retrieval platform to parents and carers to increase buy-in.

Over time we noticed a spike in submissions as students got more familiar with the platform. Teachers praised students who showed the most progress, which meant previously disengaged students felt successful and motivated to complete more tasks.

Thandi Banda

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Gray Matters: What role should homework play in learning?

Historical Background In the U.S., debates about the value of homework have been steady over the past century. In the beginning half of the 1900’s, homework was not nearly as common. Many school districts banned homework at the elementary and middle school levels in the belief that it only facilitated rote learning. That changed in the 1950’s when the Soviet Union launched Sputnik, creating the perception that the U.S. needed to increase the amount of students’ homework to be competitive in the space race. Over the next 50 years until the present, the popular view of homework switched every 15 years or so between support and condemnation. Today research has enhanced our understanding, but the debate continues.

Homework: What’s the Point? Numerous benefits are attributed to homework: better retention of factual knowledge, development of study habits, increased ability to manage time effectively, and heightened parental involvement. Evaluating exactly what of these benefits can be attributed to homework versus inherent differences in students or the quality of assignments presents obvious challenges. Further confounding research, homework often exacts costs in the form of increased stress and reduced sleep, which can negate potential benefits. Nonetheless, research to date provides guidance on homework’s role in achieving some of these goals.

Research Examples How much homework should be assigned? Although not unanimous, multiple studies on the relationship between homework time and academic achievement have shown that it is not a linear relationship: more homework does not equal more learning. One study of 7,451 13- year-old students administered a test of science and mathematics in addition to a survey of effort spent on homework, homework time, homework frequency, and the general circumstances around how homework was done. Results: student academic gains were associated with homework time up to 1 hour a day, after which increased homework time was associated with worse performance. This result varies with students’ ages.

How does the influence of homework change in different grades? While empirical studies have not yet explicitly compared the role of homework in different ages, a review of the literature reveals clear trends. A meta-analysis of 4,400 studies up until 2003 found that homework time had different effects depending on the grade of students. Results: up to two hours of homework showed the most benefit for high school students, up to an hour of homework showed some benefit for middle school students, and almost no benefit was found among elementary school students.

What homework factors contribute to academic performance? Studies that focus on the circumstances in which students complete homework have found that autonomy and effort are more important predictors of performance than homework time alone. One study of 483 eighth-graders from 20 classes analyzed students’ grades and standardized test scores in mathematics in relation to survey responses on homework effort. Students responded once in November and once in May of the academic year. Results: academic gains in grades and test scores were positively correlated to homework effort. However, other studies suggest that since effort and autonomy are highly correlated with students’ prior achievement, it’s difficult to say if this is a trait of the homework or of a certain kind of student.

How can homework best facilitate learning? Practices from the “ How can I improve longterm learning ” edition of Gray Matters 01 should be implemented in homework design to facilitate learning. For instance, using homework to continue practice on material and skills learned in previous weeks uses distributed practice to improve recall. Homework that offers adequate practice of important skills also helps reinforce skills in a variety of contexts. A survey of school leaders around homework best practices found similar results: homework can facilitate engagement when it is an authentic, engaging extension of the class. Results: homework should be designed intentionally, with reference to most effective forms of practice.

Does the effect of homework change when instruction occurs at home and exercises are done in class? In this case, the question is essentially if homework facilitates learning when it is done as a part class rather than at home. One model that represents this circumstance is the flipped classroom. Case studies done with ninth to twelfth-graders across a variety of subjects showed that achievement increased after implementing a model where students watched videos at home and practiced learning in class. In these schools the percentage of students passing standardized exams increased by up to 12%. Empirical studies comparing in-class work and at home work have repeated research design flaws, however, they generally indicate that in-class exercises have a positive effect for older students. Results: the research is inconclusive, but generally indicates that flipped classroom approaches have positive net benefits for high school students.

How frequently should homework be assigned? The research on frequency is not conclusive, however most studies suggest that classes that receive homework frequently tend to do better on tests of achievement. One such study administered standardized mathematics examinations to 2,939 grade 7 and 8 students across 20 classes. In addition to the exam, students answered questions on frequency of homework and the average amount of time spent on homework each evening. Results: Classes that had more frequent homework assignments had overall higher averages on the achievement tests.

Does homework change students’ attitudes towards school? Studies comparing the attitudes of students who received homework with those who did not receive homework generally found no significant results across a variety of grade levels. One study compared three different models for assigning arithmetic homework to 342 third-graders across twelve classrooms: teachers assigned no homework, assigned homework as usual, and were required to assign a constant amount of homework every night. Students answered questions measuring their attitudes towards school, teacher, arithmetic, spelling, reading, and homework. Results: no significant differences were found between the attitudes of the different groups.

Conclusion The quality of homework and the students who complete it vary significantly, however the general research trends suggest that assigning homework does have benefits at the middle and upper school levels. Frequency of assignment and students’ autonomy in finishing homework were also correlated with student achievement. These results provide guidelines on the appropriate quantity of homework, but how best to incorporate homework content into an overall progression of students’ learning remains for teachers to judge.

“Adolescents’ Homework Performance in Mathematics and Science: Personal Factors and Teaching Practices” by Rubén FernándezAlonso, Javier Suárez-Álvarez, and José Muñiz, Journal of Educational Psychology , 2015, 107(4), 1075.

“Ask the Cognitive Scientist Allocating Student Study Time” by Daniel T. Willingham, American Educator , 2002, 26(2), 37-39.

“Does Homework Improve Academic Achievement? A Synthesis of Research, 1987–2003” by Harris Cooper, Jorgianne Civey Robinson, and Erika A. Patall, Review of Educational Research , 2006, 76(1), 1-62.

“Does Homework Improve Learning?” by Alfie Kohn, AlfieKohn.org, 2006. “Effects of Arithmetic Homework upon the Attitudes of Third Grade Pupils Toward Certain School-related Structure” by Norbert Maertens, School Science and Mathematics , 1968, 68(7), 657-662.

“Flipped Learning Model Dramatically Improves Course Pass Rate for At-Risk Students, Clintondale high School, MI: A Case Study” by Pearson Education, May, 2013.

“Flipped Learning Model Increases Student Engagement and Performance, Byron High School, MN: A Case Study” by Pearson Education, June, 2013.

“Homework. Research on Teaching Monograph Series, Homework Versus In-class Supervised Study” by Harris Cooper, 1989, 77- 89.

“If They’d Only Do Their Work!” by Linda Darling-Hammond and Olivia Ifill-Lynch, Educational Leadership, 2008, 63(5), 8-13.

“Research Trends: Why Homework Should Be Balanced” by Youki Terada, Edutopia, 2015, July 31.

“Synthesis of Research on Homework” by Harris Cooper, Educational leadership, 1989, 47(3), 85-91.

“The Homework–Achievement Relation Reconsidered: Differentiating Homework Time, Homework Frequency, and Homework Effort” by Ulrich Trautwein, Learning and Instruction, 2007, 17(3), 372-388.

Gray Matters is dedicated to providing research-based answers to questions commonly raised by faculty and within the education community. Gray Matters is published by the Tiger Works Research & Development group at Avenues.

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Definition of homework

Examples of homework in a sentence.

These examples are programmatically compiled from various online sources to illustrate current usage of the word 'homework.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.

Word History

1662, in the meaning defined at sense 1

Dictionary Entries Near homework

Cite this entry.

“Homework.” Merriam-Webster.com Dictionary , Merriam-Webster, https://www.merriam-webster.com/dictionary/homework. Accessed 24 Mar. 2024.

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Definition of homework noun from the Oxford Advanced Learner's Dictionary

• I always do my homework on the bus.
• physics/geography/French, etc. homework
• I still haven't done my geography homework.
• How much homework do you get?
• for homework I have to write up the notes for homework.
• (especially North American English) I have to finish this homework assignment .
• acquire/​get/​lack (an) education/​training/ (British English) (some) qualifications
• receive/​provide somebody with training/​tuition
• develop/​design/​plan a curriculum/ (especially British English) course/ (North American English) program/​syllabus
• give/​go to/​attend a class/​lesson/​lecture/​seminar
• hold/​run/​conduct a class/​seminar/​workshop
• sign up for/​take a course/​classes/​lessons
• go to/​start preschool/​kindergarten/​nursery school
• be in (North American English) the first, second, etc. grade/ (British English) year 1, 2. etc. (at school)
• study/​take/​drop history/​chemistry/​German, etc.
• (British English) leave/​finish/​drop out of/ (North American English) quit school
• (North American English) graduate high school/​college
• be the victim/​target of bullying
• (British English) play truant from/ (both British English, informal) bunk off/​skive off school (= not go to school when you should)
• (both especially North American English) skip/​cut class/​school
• (British English) cheat in/ (North American English) cheat on an exam/​a test
• get/​be given a detention (for doing something)
• be expelled from/​be suspended from school
• do your homework/ (British English) revision/​a project on something
• work on/​write/​do/​submit an essay/​a dissertation/​a thesis/​an assignment/ (North American English) a paper
• finish/​complete your dissertation/​thesis/​studies/​coursework
• hand in/ (North American English) turn in your homework/​essay/​assignment/​paper
• study/​prepare/ (British English) revise/ (North American English) review/ (North American English, informal) cram for a test/​an exam
• take/ (both British English) do/​sit a test/​an exam
• (especially British English) mark/ (especially North American English) grade homework/​a test
• (British English) do well in/ (North American English) do well on/ (especially North American English, informal) ace a test/​an exam
• pass/​fail/ (especially North American English, informal) flunk a test/​an exam/​a class/​a course/​a subject
• apply to/​get into/​go to/​start college/ (British English) university
• leave/​graduate from law school/​college/ (British English) university (with a degree in computer science)
• study for/​take/ (British English) do/​complete a law degree/​a degree in physics
• (both North American English) major/​minor in biology/​philosophy
• earn/​receive/​be awarded/​get/​have/​hold a master’s degree/​a bachelor’s degree/​a PhD in economics
• Have you finished your homework?
• Have you done your physics homework yet?
• I was helping my sister with her maths homework.
• The homework assignments are worth 10% of the final grade.
• I have some homework to do on the Civil War.
• I want you to hand in this homework on Friday.
• The science teacher always gives a lot of homework.
• They get a lot of homework in English.
• They get masses of homework at secondary school.
• We had to write out one of the exercises for homework.
• for homework
• homework  on

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Meaning of homework in English

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• The kids are busy with their homework.
• My science teacher always sets a lot of homework.
• "Have you got any homework tonight ?" "No."
• I got A minus for my English homework.
• For homework I want you to write a paper on an endangered species .
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Homework | business english, examples of homework, translations of homework.

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a traditional children's entertainment in which a man, Mr Punch, argues with his wife, Judy. It was especially popular in the past as entertainment in British towns by the sea in summer.

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Creating a Homework Policy With Meaning and Purpose

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We have all had time-consuming, monotonous, meaningless homework assigned to us at some point in our life. These assignments often lead to frustration and boredom and students learn virtually nothing from them. Teachers and schools must reevaluate how and why they assign homework to their students. Any assigned homework should have a purpose.

Assigning homework with a purpose means that through completing the assignment, the student will be able to obtain new knowledge, a new skill, or have a new experience that they may not otherwise have. Homework should not consist of a rudimentary task that is being assigned simply for the sake of assigning something. Homework should be meaningful. It should be viewed as an opportunity to allow students to make real-life connections to the content that they are learning in the classroom. It should be given only as an opportunity to help increase their content knowledge in an area.

Differentiate Learning for All Students

Furthermore, teachers can utilize homework as an opportunity to differentiate learning for all students. Homework should rarely be given with a blanket "one size fits all" approach. Homework provides teachers with a significant opportunity to meet each student where they are and truly extend learning. A teacher can give their higher-level students more challenging assignments while also filling gaps for those students who may have fallen behind. Teachers who use homework as an opportunity to differentiate we not only see increased growth in their students, but they will also find they have more time in class to dedicate to whole group instruction .

See Student Participation Increase

Creating authentic and differentiated homework assignments can take more time for teachers to put together. As often is the case, extra effort is rewarded. Teachers who assign meaningful, differentiated, connected homework assignments not only see student participation increase, they also see an increase in student engagement. These rewards are worth the extra investment in time needed to construct these types of assignments.

Schools must recognize the value in this approach. They should provide their teachers with professional development that gives them the tools to be successful in transitioning to assign homework that is differentiated with meaning and purpose. A school's homework policy should reflect this philosophy; ultimately guiding teachers to give their students reasonable, meaningful, purposeful homework assignments.

Sample School Homework Policy

Homework is defined as the time students spend outside the classroom in assigned learning activities. Anywhere Schools believes the purpose of homework should be to practice, reinforce, or apply acquired skills and knowledge. We also believe as research supports that moderate assignments completed and done well are more effective than lengthy or difficult ones done poorly.

Homework serves to develop regular study skills and the ability to complete assignments independently. Anywhere Schools further believes completing homework is the responsibility of the student, and as students mature they are more able to work independently. Therefore, parents play a supportive role in monitoring completion of assignments, encouraging students’ efforts and providing a conducive environment for learning.

Individualized Instruction

Homework is an opportunity for teachers to provide individualized instruction geared specifically to an individual student. Anywhere Schools embraces the idea that each student is different and as such, each student has their own individual needs. We see homework as an opportunity to tailor lessons specifically for an individual student meeting them where they are and bringing them to where we want them to be. 

Homework contributes toward building responsibility, self-discipline, and lifelong learning habits. It is the intention of the Anywhere School staff to assign relevant, challenging, meaningful, and purposeful homework assignments that reinforce classroom learning objectives. Homework should provide students with the opportunity to apply and extend the information they have learned complete unfinished class assignments, and develop independence.

The actual time required to complete assignments will vary with each student’s study habits, academic skills, and selected course load. If your child is spending an inordinate amount of time doing homework, you should contact your child’s teachers.

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Learning disorders: Know the signs, how to help

Learning disorders can make it hard for a child to read, write or do simple math. Know the symptoms and find out what you can do.

It can be hard to figure out that a child has a learning disorder. Some children have learning disorders for a long time before they are diagnosed. These children can have such a hard time in school that their self-esteem and drive to succeed goes down.

That's why it's a good idea for parents to know the symptoms of learning disorders. The sooner you spot the symptoms, the faster you can help your child succeed.

What is a learning disorder?

A learning disorder is present when the brain takes in and works with information in a way that is not typical. It keeps a person from learning a skill and using it well. People with learning disorders by and large have average or above-average intelligence. So, there's a gap between their expected skills, based on age and intelligence, and how they do in school.

Common learning disorders affect a child's ability to:

• Use or understand language.
• Learn other skills that don't involve words.

Reading is based on understanding speech. Learning disorders with reading often are based on a child's trouble understanding a spoken word as a mix of distinct sounds. This can make it hard to understand how a letter or letters represent a sound and how letters make a word.

Problems with short-term memory, also called working memory, can play a role.

Even when basic reading skills are mastered, children may have trouble with the following skills:

• Reading at a typical pace.
• Understanding what they read.
• Recalling correctly what they read.
• Making conclusions based on their reading.

One of the most common types of learning disorders is a reading disorder called dyslexia. It causes you to have trouble picking out different speech sounds in words and learning how letters relate to those sounds.

Writing requires complex skills that involve vision, movement and the ability to process information. A learning disorder in writing, also called dysgraphia, may cause the following:

• Slow handwriting that takes a lot of work.
• Trouble recalling how to form letters, copy shapes and draw lines.
• Handwriting that's hard to read.
• Trouble putting thoughts into writing.
• Written text that's poorly organized or hard to understand.
• Trouble with spelling, grammar and punctuation.

A learning disorder in math, also called dyscalculia, may cause problems with the following skills:

• Understanding how numbers work and relate to each other.
• Doing math problems.
• Learning basic math rules.
• Using math symbols.
• Understanding word problems.
• Organizing and recording information while solving a math problem.

Speech and Language

Children with speech and language disorders can have trouble using and understanding spoken or written words. They may have trouble:

• Reading and writing.
• Doing math word problems.
• Following directions.
• Answering questions.

A variety of speech and language disorders can affect kids. A few examples are:

• Stuttering — trouble saying words or sentences in a way that flows smoothly.
• Articulation errors — difficulty forming certain words or sounds.
• Childhood apraxia — trouble accurately moving the lips, jaw and tongue to speak.

Children with speech or language disorders often can understand and work well with visual information. They also can use visual cues well in social situations.

Nonverbal skills

Children with nonverbal learning disorders often have good basic language skills. They can excel at memorizing words too. But these children may have trouble with some skills that don't involve speaking, such as:

• Perceiving where objects are.
• Understanding abstract concepts.
• Reading people's emotions through facial expressions and other cues.
• Moving the body, also called physical coordination. This type of trouble is known as dyspraxia.
• Fine motor skills, such as writing. This issue may happen along with other learning disorders.
• Paying attention, planning and organizing, as seen in attention-deficit/hyperactivity disorders (ADHD).
• Understanding higher-level reading or writing tasks, often appearing in later grade school.

What causes learning disorders?

Things that might play roles in learning disorders include:

• Family history and genes. Having a blood relative, such as a parent, with a learning disorder raises the risk of a child having a disorder.
• Risks before birth and shortly after. Learning disorders have been linked with poor growth in the uterus and exposure to alcohol or drugs before being born. Learning disorders also have been tied to being born too early and having a very low weight at birth.
• Emotional trauma. This could involve a deeply stressful experience or emotional abuse. If either happens in early childhood, it may affect how the brain develops and raise the risk of learning disorders.
• Physical trauma. Head injuries or nervous system illnesses might play a role in the development of learning disorders.
• Poisonous substances. Exposure to high levels of toxins, such as lead, has been linked to a larger risk of learning disorders.

What are the symptoms of learning disorders?

At times, all children have trouble learning and using academic skills. But when the symptoms last for at least six months and don't get better with help from adults, a child might have a learning disorder.

The symptoms of a learning disorder in a child can include:

• Not being able to master skills in reading, spelling, writing or math at or near the expected age and grade levels.
• Trouble understanding and following instructions.
• Problems remembering what someone just said.
• Lacking coordination while walking, playing sports or doing things that use small muscles, such as holding a pencil.
• Easily losing homework, schoolbooks or other items.
• Trouble completing homework and assignments on time.
• Acting out or having defiant, angry or large emotional reactions at school. Or, acting any of these ways while doing academic tasks such as homework or reading.

Seeking help for learning disorders

Early treatment is key, because the problem can grow. A child who doesn't learn to add numbers in elementary school won't be able to do algebra in high school. Children who have learning disorders also can have:

• Anxiety about their grades.
• Depression.
• Low self-esteem.
• Less motivation.

Some children might act out to distract attention from their challenges at school.

If you suspect your child has trouble learning, you can ask the school to check for a learning disorder. Or you can get a private evaluation outside of the school system. A child's teacher, parents or guardian, and health care provider are some of the people who can request an evaluation. Your child will likely first have a general physical exam that checks for vision, hearing or other medical problems that can make learning harder. Often, a child will have a series of exams done by a team of professionals, including a:

• Psychologist.
• Special education teacher.
• Occupational therapist.
• Social worker or nurse.
• Speech and language specialist.

These professionals work together to decide whether a child's trouble meets the definition of a learning disorder. They also figure out what special-education services are needed if the child has a disorder. The team bases its decisions on:

• The results of tests.
• Teacher feedback.
• Input from the parents or guardians.
• A review of how the child does in school.

A child's health care provider also might do tests to look for mental health conditions such as anxiety, depression and ADHD . These mental health conditions can contribute to delays in academic skills.

For example, some children with ADHD struggle to finish classwork and homework. But ADHD might not necessarily cause them to have trouble learning academic skills. Instead, it may cause them to have a hard time performing those skills. Many children have ADHD along with a learning disorder.

Treatment options

If your child has a learning disorder, your child's provider or school might suggest:

• Extra help. A reading specialist, math tutor or other trained professional can teach your child ways to do schoolwork, study and get organized.
• Individualized education program (IEP). This written plan sets learning goals and describes the special-education services your child needs. Public schools develop IEPs for students whose challenges meet the school system's guidelines for a learning disorder. In some countries, IEPs are called individual education plans.
• Changes in the classroom. These are also known as accommodations. For instance, some students with learning disorders get more time to complete work or tests. They may be asked to do fewer math problems in assignments. And they may get seated near their teachers to boost attention. Some students are allowed to use gadgets. These could include calculators to help solve math problems and programs that turn text into speech you can hear. The school also might be willing to provide audiobooks to listen to while reading along with a physical copy.
• Therapy. Different types of therapy may help. Occupational therapy might improve writing problems. A speech-language therapist can help with language skills.
• Medicine. Your child's health care provider might suggest medicine to treat depression or anxiety. Medicines for ADHD may help a child's ability to focus in school.
• Complementary and alternative treatments. More research is needed to find out if these treatments work for learning disorders. They include diet changes, use of vitamins, eye exercises and a treatment that works with brain waves called neurofeedback.

Your child's treatment plan will likely change over time. You always can ask the school for more special-education services or classroom changes. If your child has an IEP , review it with the school at least every year. Your child may need less treatment or fewer learning aids over time. Early treatment can lessen the effects of a learning disorder.

In the meantime, help your child understand in simple terms the need for any other services and how they may help. Also, focus on your child's strengths. Encourage your child to pursue interests that boost confidence. Many kids with learning disorders go on to lead successful lives as adults.

Together, these tactics can boost your child's skills. They also use your child's strengths and help with learning in and outside of school.

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• Kliegman RM, et al. Neurodevelopmental and executive function and dysfunction. In: Nelson Textbook of Pediatrics. 21st ed. Elsevier; 2020. https://www.clinicalkey.com. Accessed Dec. 22, 2022.
• Von Hahn LE. Specific learning disabilities in children: Clinical features. https://www.uptodate.com/contents/search. Accessed Dec. 23, 2022.
• Kliegman RM, et al. Dyslexia. In: Nelson Textbook of Pediatrics. 21st ed. Elsevier; 2020. https://www.clinicalkey.com. Accessed Dec. 22, 2022.
• Neurodevelopmental disorders. In: Diagnostic and Statistical Manual of Mental Disorders DSM-5-TR. 5th ed. American Psychiatric Association; 2022. https://dsm.psychiatryonline.org. Accessed Dec. 23, 2022.
• Fisher P, et al. Systematic review: Nonverbal learning disability. Journal of the American Academy of Child & Adolescent Psychiatry. 2022; doi:10.1016/j.jaac.2021.04.003.
• Learning disorders. American Academy of Child & Adolescent Psychiatry. https://www.aacap.org/aacap/families_and_youth/facts_for_families/fff-guide/Children-With-Learning-Disorders-016.aspx. Accessed Dec. 23, 2022.
• Von Hahn LE. Specific learning disabilities in children: Evaluation. https://www.uptodate.com/contents/search. Accessed Dec. 23, 2022.
• Feldman HM, et al., eds. Learning disabilities. In: Developmental-Behavioral Pediatrics. 5th ed. Elsevier; 2023. https://www.clinicalkey.com. Accessed Dec. 23, 2022.
• Learning disabilities. Pediatric Patient Education. https://publications.aap.org/patiented. Accessed Dec. 23, 2022.
• Fu W, et al. A social-cultural analysis of the individual education plan practice in special education schools in China. 2020; doi:10.1080/20473869.2018.1482853.
• Patil AU, et al. Neurofeedback for the education of children with ADHD and specific learning disorders: A review. Brain Sciences. 2022; doi:10.3390/brainsci12091238.
• Language and speech disorders in children. Centers for Disease Control and Prevention. https://www.cdc.gov/ncbddd/developmentaldisabilities/language-disorders.html. Accessed Jan. 24, 2023.
• What are the treatments for learning disabilities? National Institutes of Health. https://www.nichd.nih.gov/health/topics/learning/conditioninfo/treatment. Accessed Jan. 24, 2023.
• Other concerns and conditions with ADHD. Centers for Disease Control and Prevention. https://www.cdc.gov/ncbddd/adhd/conditions.html#LearningDisorder. Accessed Jan. 24, 2023.
• Hoecker J (expert opinion). Mayo Clinic. Jan. 23, 2023.

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Studdy is your AI tutor for every school subject. Studdy provides immediate problem-solving support for all levels of learning: MATH, SCIENCE, READING, WRITING, from K-12 through college! Simply take a photo to break down a complex problem into a solution with step-by-step explanations. Learn foundational skills and check your understanding by asking the Studdy clarifying questions for personalized instruction. Studdy is the most accurate app for solving word problems, math problems, and college-level science problems. With more than 1 million problems solved, Studdy is the go-to AI homework helper anytime, anywhere. FEATURES: - Makes learning tough subjects super easy, with step by step guidance and the ability to ask questions along the way - Provides real-time 24/7 support for any subject - Breaks problems down step by step - Ask Studdy questions whenever you're confused by a step - Recognizes handwritten problems and diagrams - Supports core academic topics including ALGEBRA, GEOMETRY, CALCULUS, CHEMISTRY, PHYSICS, BIOLOGY, VOCABULARY, COMPREHENSION, and more. - Solves algorithms, multi-step word problems, multi-step problems, multiple choice questions, and college level math - Localized in over 100 languages including Spanish, French, Portuguese, Chinese, Japanese, Arabic, and more USERS LOVE STUDDY : "This app saved me so much time! I’m taking an online high school geometry class and it helped me progress super quickly." - JAY, HIGH SCHOOL JUNIOR "I feel like this is the only app that actually helps you learn. It’s crazy." - CHRIS, COLLEGE FRESHMAN MATH SUPPORTED: 4th through 8th grade Basic Geometry Pre Algebra Algebra 1 Geometry Algebra 2 Trigonometry Statistics and Probability High School Statistics AP and College Statistics Precalculus Differential Calculus Integral Calculus AP and College Calculus Calculus 1, 2, and 3 Multivariable Calculus Differential Equations Linear algebra Numerical Analysis SUBSCRIPTION AND TERMS: FREE Usage includes: - Support for any subject and grade level - 3 scans a day - Ability to ask follow-up questions when stuck PAID SUBSCRIPTION includes: - Unlimited number of scans - Unlimited AI Chat conversations - Ability to generate practice problems - Saved history - Payment will be charged to your Apple ID account - Subscription automatically renews - Subscription must be canceled at least 24 hours before the end of current pay period - You can manage and cancel your subscriptions by going to your account settings on the App Store QUESTIONS? Please contact us: http://studdy.ai/contact [email protected] Terms of Use : https://www.studdy.ai/terms-of-use Privacy Policy : https://www.studdy.ai/privacy-policy

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A.I. Is Learning What It Means to Be Alive

Given troves of data about genes and cells, A.I. models have made some surprising discoveries. What could they teach us someday?

Credit... Doug Chayka

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By Carl Zimmer

• Published March 10, 2024 Updated March 12, 2024

In 1889, a French doctor named Francois-Gilbert Viault climbed down from a mountain in the Andes, drew blood from his arm and inspected it under a microscope. Dr. Viault’s red blood cells, which ferry oxygen, had surged 42 percent. He had discovered a mysterious power of the human body: When it needs more of these crucial cells, it can make them on demand.

In the early 1900s, scientists theorized that a hormone was the cause. They called the theoretical hormone erythropoietin, or “red maker” in Greek. Seven decades later, researchers found actual erythropoietin after filtering 670 gallons of urine .

And about 50 years after that, biologists in Israel announced they had found a rare kidney cell that makes the hormone when oxygen drops too low. It’s called the Norn cell , named after the Norse deities who were believed to control human fate.

It took humans 134 years to discover Norn cells. Last summer, computers in California discovered them on their own in just six weeks.

The discovery came about when researchers at Stanford programmed the computers to teach themselves biology. The computers ran an artificial intelligence program similar to ChatGPT, the popular bot that became fluent with language after training on billions of pieces of text from the internet. But the Stanford researchers trained their computers on raw data about millions of real cells and their chemical and genetic makeup.

The researchers did not tell the computers what these measurements meant. They did not explain that different kinds of cells have different biochemical profiles. They did not define which cells catch light in our eyes, for example, or which ones make antibodies.

The computers crunched the data on their own, creating a model of all the cells based on their similarity to each other in a vast, multidimensional space. When the machines were done, they had learned an astonishing amount . They could classify a cell they had never seen before as one of over 1,000 different types. One of those was the Norn cell.

“That’s remarkable, because nobody ever told the model that a Norn cell exists in the kidney,” said Jure Leskovec, a computer scientist at Stanford who trained the computers.

The software is one of several new A.I.-powered programs, known as foundation models, that are setting their sights on the fundamentals of biology. The models are not simply tidying up the information that biologists are collecting. They are making discoveries about how genes work and how cells develop.

As the models scale up, with ever more laboratory data and computing power, scientists predict that they will start making more profound discoveries. They may reveal secrets about cancer and other diseases. They may figure out recipes for turning one kind of cell into another.

“A vital discovery about biology that otherwise would not have been made by the biologists — I think we’re going to see that at some point,” said Dr. Eric Topol, the director of the Scripps Research Translational Institute.

Just how far they will go is a matter of debate. While some skeptics think the models are going to hit a wall, more optimistic scientists believe that foundation models will even tackle the biggest biological question of them all: What separates life from nonlife?

Heart Cells and Mole Rats

Biologists have long sought to understand how the different cells in our bodies use genes to do the many things we need to stay alive.

About a decade ago, researchers started industrial-scale experiments to fish out genetic bits from individual cells. They recorded what they found in catalogs, or “ cell atlases ,” that swelled with billions of pieces of data.

Dr. Christina Theodoris, a medical resident at Boston Children’s Hospital, was reading about a new kind of A.I. model made by Google engineers in 2017 for language translations. The researchers provided the model with millions of sentences in English, along with their translations into German and French. The model developed the power to translate sentences it hadn’t seen before. Dr. Theodoris wondered if a similar model could teach itself to make sense of the data in cell atlases.

In 2021, she struggled to find a lab that might let her try to build one. “There was a lot of skepticism that this approach would work at all,” she said.

Shirley Liu, a computational biologist at the Dana-Farber Cancer Institute in Boston, gave her a shot. Dr. Theodoris pulled data from 106 published human studies, which collectively included 30 million cells, and fed it all into a program she created called GeneFormer.

The model gained a deep understanding of how our genes behave in different cells. It predicted, for example, that shutting down a gene called TEAD4 in a certain type of heart cell would severely disrupt it. When her team put the prediction to the test in real cells called cardiomyocytes, the beating of the heart cells grew weaker.

In another test, she and her colleagues showed GeneFormer heart cells from people with defective heartbeat rhythms as well as from healthy people. “Then we said, Now tell us what changes we need to happen to the unhealthy cells to make them healthy,” said Dr. Theodoris, who now works as a computational biologist at the Gladstone Institutes in San Francisco.

GeneFormer recommended reducing the activity of four genes that had never before been linked to heart disease. Dr. Theodoris’s team followed the model’s advice, knocking down each of the four genes. In two out of the four cases, the treatment improved how the cells contracted.

The Stanford team got into the foundation-model business after helping to build one of the biggest databases of cells in the world, known as CellXGene . Beginning in August, the researchers trained their computers on the 33 million cells in the database, focusing on a type of genetic information called messenger RNA. They also fed the model the three-dimensional structures of proteins, which are the products of genes.

From this data, the model — known as Universal Cell Embedding, or U.C.E. — calculated the similarity among cells, grouping them into more than 1,000 clusters according to how they used their genes. The clusters corresponded to types of cells discovered by generations of biologists.

U.C.E. also taught itself some important things about how the cells develop from a single fertilized egg. For example, U.C.E. recognized that all the cells in the body can be grouped according to which of three layers they came from in the early embryo.

“It essentially rediscovered developmental biology,” said Stephen Quake, a biophysicist at Stanford who helped develop U.C.E.

The model was also able to transfer its knowledge to new species. Presented with the genetic profile of cells from an animal that it had never seen before — a naked mole rat, say — U.C.E. could identify many of its cell types.

“You can bring a completely new organism — chicken, frog, fish, whatever — you can put it in, and you will get something useful out,” Dr. Leskovec said.

After U.C.E. discovered the Norn cells, Dr. Leskovec and his colleagues looked in the CellXGene database to see where they had come from. While many of the cells had been taken from kidneys, some had come from lungs or other organs. It was possible, the researchers speculated, that previously unknown Norn cells were scattered across the body.

Dr. Katalin Susztak, a physician-scientist at the University of Pennsylvania who studies Norn cells, said that the finding whetted her curiosity. “I want to check these cells,” she said.

She is skeptical that the model found true Norn cells outside the kidneys, since the erythropoietin hormone hasn’t been found in other places. But the new cells may sense oxygen as Norn cells do.

In other words, U.C.E. may have discovered a new type of cell before biologists did.

An ‘Internet of Cells’

Just like ChatGPT , biological models sometimes get things wrong. Kasia Kedzierska, a computational biologist at the University of Oxford, and her colleagues recently gave GeneFormer and another foundation model , scGPT, a battery of tests . They presented the models with cell atlases they hadn’t seen before and had them perform tasks such as classifying the cells into types. The models performed well on some tasks, but in other cases they fared poorly compared with simpler computer programs.

Dr. Kedzierska said she had great hopes for the models but that, for now, “they should not be used out of the box without a proper understanding of their limitations.”

Dr. Leskovec said that the models were improving as scientists trained them on more data. But compared with ChatGPT’s training on the entire internet, the latest cell atlases offer only a modest amount of information. “I’d like an entire internet of cells,” he said.

More cells are on the way as bigger cell atlases come online. And scientists are gleaning different kinds of data from each of the cells in those atlases. Some scientists are cataloging the molecules that stick to genes, or taking photographs of cells to illuminate the precise location of their proteins. All of that information will allow foundation models to draw lessons about what makes cells work.

Scientists are also developing tools that let foundation models combine what they’re learning on their own with what flesh-and-blood biologists have already discovered. The idea would be to connect the findings in thousands of published scientific papers to the databases of cell measurements.

With enough data and computing power, scientists say, they may eventually create a complete mathematical representation of a cell.

“That’s going to be hugely revolutionary for the field of biology,” said Bo Wang, a computational biologist at the University of Toronto and the creator of scGPT. With this virtual cell, he speculated, it would be possible to predict what a real cell would do in any situation. Scientists could run entire experiments on their computers rather than in petri dishes.

Dr. Quake suspects that foundation models will learn not just about the kinds of cells that currently reside in our bodies but also about kinds of cells that could exist. He speculates that only certain combinations of biochemistry can keep a cell alive. Dr. Quake dreams of using foundation models to make a map showing the realm of the possible, beyond which life cannot exist.

“I think these models are going to help us get some really fundamental understanding of the cell, which is going to provide some insight into what life really is,” Dr. Quake said.

Having a map of what’s possible and impossible to sustain life might also mean that scientists could actually create new cells that don’t yet exist in nature. The foundation model might be able to concoct chemical recipes that transform ordinary cells into new, extraordinary ones. Those new cells might devour plaque in blood vessels or explore a diseased organ to report back on its condition.

“It’s very ‘Fantastic Voyage ’- ish,” Dr. Quake admitted. “But who knows what the future is going to hold?”

If foundation models live up to Dr. Quake’s dreams, they will also raise a number of new risks. On Friday, more than 80 biologists and A.I. experts signed a call for the technology to be regulated so that it cannot be used to create new biological weapons. Such a concern might apply to new kinds of cells produced by the models.

Privacy breaches could happen even sooner. Researchers hope to program personalized foundation models that would look at an individual’s unique genome and the particular way that it works in cells. That new dimension of knowledge could reveal how different versions of genes affect the way cells work. But it could also give the owners of a foundation model some of the most intimate knowledge imaginable about the people who donated their DNA and cells to science.

Some scientists have their doubts about how far foundational models will make it down the road to “Fantastic Voyage,” however. The models are only as good as the data they are fed. Making an important new discovery about life may depend on having data on hand that we haven’t figured out how to collect. We might not even know what data the models need.

“They might make some new discoveries of interest,” said Sara Walker, a physicist at Arizona State University who studies the physical basis of life. “But ultimately they are limited when it comes to new fundamental advances.”

Still, the performance of foundation models has already led their creators to wonder about the role of human biologists in a world where computers make important insights on their own. Traditionally, biologists have been rewarded for creative and time-consuming experiments that uncover some of the workings of life. But computers may be able to see those workings in a matter of weeks, days or even hours by scanning billions of cells for patterns we can’t see.

“It’s going to force a complete rethink of what we consider creativity,” Dr. Quake said. “Professors should be very, very nervous.”

Carl Zimmer covers news about science for The Times and writes the Origins column . More about Carl Zimmer

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