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When the Habitat Changes is a free printable Grade 3 science worksheet on judging a solution for living things when the environment changes, aligned to Common Core standard 3-LS4-4. It prints 2 questions with an answer key on its own sheet of paper, in 25 versions, 14 of them with different questions, so no two pupils in the class work from the same page. Print it from the browser or download it as a PDF — no account, no email.

Set 1 of 25 · the same problems every time you open this link.

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One paper per pupil

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14 of these 25 sets ask different questions — this skill does not have 25 questions to give. The rest reorder them, so no two pupils have the same paper in front of them.

When the Habitat Changes

3-LS4-4

NameDate

Write your answer. Use the checklist.

1.A stream warms up after trees beside it are felled. Judge a solution.
  • Name the solution
  • Link it to the trout
  • Say how long it would take
2.A hedge is cut down and the woodlice lose their damp shelter. Judge a solution.
  • Name the solution
  • Say what it replaces
  • Say one drawback

LessonPrint · 3-LS4-4 · Set 1 · free to copy for classroom use

Answer key — When the Habitat Changes

Set 1. Prints on its own sheet.

  1. 1.A solution such as replanting to shade the stream for the trout, with the time it would take.
  2. 2.A solution replacing the damp shelter the hedge gave the woodlice, with a drawback named.

Questions about When the Habitat Changes

What does the When the Habitat Changes worksheet cover?

It practises judging a solution for living things when the environment changes — 2 questions for Grade 3, all on Common Core 3-LS4-4: Judge a solution for what happens to living things when their environment changes. The instruction to pupils is “Write your answer. Use the checklist”, and the answer key follows on the next sheet.

Which Common Core standard does When the Habitat Changes practise?

3-LS4-4 — 3-LS4-4, in the Life Science domain for Grade 3. The published standard reads: “Make a claim about the merit of a solution to a problem caused when the environment changes and the types of plants and animals that live there may change.” The worksheet assesses that standard rather than a paraphrase of it.

What age or grade is this worksheet for?

When the Habitat Changes is written for Grade 3, typically ages 8-9. It is one of the sheets on 3-LS4-4, so it suits any pupil working at that standard — including older pupils revisiting it and younger ones working ahead.

Does When the Habitat Changes come with an answer key?

Yes. All 2 answers are generated from the same problems as the questions, so the key cannot drift out of step with the sheet. It starts on a fresh sheet of paper, after the questions, so it is not handed out with the class by accident.

How many different versions of When the Habitat Changes can I print?

25 versions, of which 14 ask genuinely different questions — this skill does not have 25 distinct questions to give, so the rest reorder them and no two pupils still share a paper. Set 1 downloads all 25 as one PDF.

Is When the Habitat Changes free to print and photocopy?

Yes. When the Habitat Changes, its answer key and its 25 versions are free to print and photocopy for your own class, with no account, no email capture and no subscription at the download step. Please do not resell them or republish them as your own.

Is there a lesson plan to teach 3-LS4-4?

Yes — “When the Habitat Changes” is a 55-minute Grade 3 plan for 3-LS4-4, timed section by section, with the misconceptions to expect and an exit ticket. When the Habitat Changes is the practice that follows it.

More practice for 3-LS4-4

Judge a solution for what happens to living things when their environment changes.

Teaching this next? When the Habitat Changes is the 55-minute plan for it, with the misconceptions to expect.

All Grade 3 worksheets

Last reviewed 2026-09-05. Aligned to 3-LS4-4 of the Next Generation Science Standards.