Free Grade 8 Ontario science change over time worksheets

Free printable Grade 8 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 — explain how variation and the environment affect which individuals survive and reproduce. 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 — explain how variation and the environment affect which individuals survive and reproduce

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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 1100 metres up a mountain. What is the best explanation?

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

    Over many generations, a helpful trait usually becomes...

    • Aa weather pattern
    • Bimpossible to inherit
    • Cmore common in the population
    • Da fossil only
  3. 3.

    Zara studies mice on dark soil. Dark fur becomes more common over 370 years. Why?

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

    What is an adaptation?

    • Aa change in the weather
    • Ba skill learned in one afternoon
    • Ca trait that helps a living thing survive in its environment
    • Da fossil found in rock
  5. 5.

    Which change is passed to offspring as an adaptation?

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

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

    • Aa change the bird chose overnight
    • Bextinction of all birds
    • Can adaptation
    • Dselective breeding by a farmer that week
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Common questions

What is on a Grade 8 science change over time worksheet?
A Grade 8 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 8 science change over time?
Ontario · Life Systems — explain how variation and the environment affect which individuals survive and reproduce The outcome mapping stores that focus and has no expectation code for this grade.
How do I make a Grade 8 science change over time worksheet?
Make this worksheet opens a Grade 8 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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