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8th grade earth and rocks

8th grade (Year 9 in England) · 10 questions · Common Core: NGSS.MS-ESS1-4 · England: KS3 Chemistry: Earth and atmosphere, KS3 Biology: Evolution

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  1. Question 1

    Which came next after this: first dinosaurs (about 230 million years ago)?

    • A. Earth forms (about 4.6 billion years ago)
    • B. non-bird dinosaurs die out (66 million years ago)
    • C. modern humans appear (about 300 000 years ago)
    • D. oxygen starts building up in the air (about 2.4 billion years ago)

  2. Question 2

    Imagine Earth's 4.6-billion-year history squeezed into one 24-hour day. How many minutes before midnight non-bird dinosaurs died out (66 million years ago)? Give 1 decimal place.

    Answermin

  3. Question 3

    Which came next after this: first dinosaurs (about 230 million years ago)?

    • A. oxygen starts building up in the air (about 2.4 billion years ago)
    • B. non-bird dinosaurs die out (66 million years ago)
    • C. Earth forms (about 4.6 billion years ago)
    • D. modern humans appear (about 300 000 years ago)

  4. Question 4

    Imagine Earth's 4.6-billion-year history squeezed into one 24-hour day. How many minutes before midnight the first land plants appeared (470 million years ago)? Give 1 decimal place.

    Answermin

  5. Question 5

    Which came next after this: first dinosaurs (about 230 million years ago)?

    • A. non-bird dinosaurs die out (66 million years ago)
    • B. oxygen starts building up in the air (about 2.4 billion years ago)
    • C. Earth forms (about 4.6 billion years ago)
    • D. modern humans appear (about 300 000 years ago)

  6. Question 6

    Imagine Earth's 4.6-billion-year history squeezed into one 24-hour day. How many minutes before midnight the first flowering plants appeared (130 million years ago)? Give 1 decimal place.

    Answermin

  7. Question 7

    Which came next after this: first simple life in the oceans (about 3.8 billion years ago)?

    • A. modern humans appear (about 300 000 years ago)
    • B. Earth forms (about 4.6 billion years ago)
    • C. oxygen starts building up in the air (about 2.4 billion years ago)
    • D. non-bird dinosaurs die out (66 million years ago)

  8. Question 8

    Imagine Earth's 4.6-billion-year history squeezed into one 24-hour day. How many minutes before midnight the first land plants appeared (470 million years ago)? Give 1 decimal place.

    Answermin

  9. Question 9

    Which came next after this: Earth forms (about 4.6 billion years ago)?

    • A. non-bird dinosaurs die out (66 million years ago)
    • B. first simple life in the oceans (about 3.8 billion years ago)
    • C. modern humans appear (about 300 000 years ago)
    • D. first dinosaurs (about 230 million years ago)

  10. Question 10

    Imagine Earth's 4.6-billion-year history squeezed into one 24-hour day. How many minutes before midnight the first dinosaurs appeared (230 million years ago)? Give 1 decimal place.

    Answermin

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Answer key: 8th grade earth and rocks

  1. 1. B. non-bird dinosaurs die out (66 million years ago)

  2. 2. 20.7 min

  3. 3. B. non-bird dinosaurs die out (66 million years ago)

  4. 4. 147.1 min

  5. 5. A. non-bird dinosaurs die out (66 million years ago)

  6. 6. 40.7 min

  7. 7. C. oxygen starts building up in the air (about 2.4 billion years ago)

  8. 8. 147.1 min

  9. 9. B. first simple life in the oceans (about 3.8 billion years ago)

  10. 10. 72 min