Free Grade 7 Ontario science change over time worksheets

Free printable Grade 7 Ontario science worksheets on change over time. Answer questions about fossils, adaptations, and survival. Question types include fossils, adaptation and survival, natural and selective change, natural selection, and 1 more. Ontario · Life Systems — use fossils and traits to explain how living things and environments change. Preview the sample questions, then make a worksheet to print or practise. Choices on this page stay unmarked. Canadian English. Unofficial practice — not a ministry document.

Ontario · Life Systems — use fossils and traits to explain how living things and environments change

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Question types

  • Fossils
  • Adaptation and survival
  • Natural and selective change
  • Natural selection
  • Extinction and habitat change

Sample questions

6 questions from change over time. Choices stay unmarked.

  1. 1.

    Shell fossils are found in rock 550 metres up a mountain. What is the best explanation?

    • Athe mountain formed from living shells
    • Bfossils form only in air, never underwater
    • Cthat rock was once under the sea
    • Dshells climbed the mountain after they died
  2. 2.

    A finch with a beak suited to the seeds it eats shows...

    • Aan adaptation
    • Ba change the bird chose overnight
    • Cselective breeding by a farmer that week
    • Dextinction of all birds
  3. 3.

    Isla studies mice on dark soil. Dark fur becomes more common over 430 years. Why?

    • Adark mice were more likely to survive and have young
    • Bthe soil dyed the mice darker each year
    • Clight mice turned dark overnight
    • Deach mouse chose to change its colour
  4. 4.

    Which pair is an organism and an adaptation?

    • Aa cloud and its shape
    • Ba rock and its colour
    • Ca duck and its webbed feet
    • Da road and its lanes
  5. 5.

    Which change is passed to offspring as an adaptation?

    • Aa bird's beak shape
    • Ba coat put on for winter
    • Ca haircut
    • Da dog learning a trick
  6. 6.

    Camouflage helps an animal survive because...

    • Ait makes the animal heavier
    • Bit stops the need for food
    • Cit changes the animal into a plant
    • Dpredators are less likely to see it
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Common questions

What is on a Grade 7 science change over time worksheet?
A Grade 7 science change over time worksheet is a set of practice questions on change over time. Answer questions about fossils, adaptations, and survival. This grade covers fossils, adaptation and survival, natural and selective change, natural selection, and extinction and habitat change.
Which expectation matches Grade 7 science change over time?
Ontario · Life Systems — use fossils and traits to explain how living things and environments change The outcome mapping stores that focus and has no expectation code for this grade.
How do I make a Grade 7 science change over time worksheet?
Make this worksheet opens a Grade 7 science change over time set in QuizPrint. Preview it, print a Letter page, or practise on screen. The sample on this page leaves every choice unmarked.

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