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Drawing conclusions from evidence

6th grade (Year 7 in England) · 16 questions · Common Core: NGSS.SEP 4, NGSS.SEP 7 · England: KS2 Y5–Y6 Working scientifically, KS3 Working scientifically

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  1. Question 1

    Conclusions: which statement is NOT true?

    • A. Repeating an investigation makes results more reliable.
    • B. You should ignore results that do not match your prediction.
    • C. A conclusion should be supported by the results.
    • D. Two variables can be linked (correlated) without one causing the other.

  2. Question 2

    Plants given fertiliser grew 12 cm; plants without grew 7 cm. Only one plant of each was tested. What would make the conclusion stronger?

    • A. Not measuring the plants
    • B. Giving one plant more water
    • C. Using just one plant again
    • D. Testing many plants in each group

  3. Question 3

    Conclusions: which statement is true?

    • A. A conclusion can include amounts you did not test.
    • B. You should ignore results that do not match your prediction.
    • C. If two things happen together, one must cause the other.
    • D. Repeating an investigation makes results more reliable.

  4. Question 4

    Conclusions: which statement is NOT true?

    • A. Repeating an investigation makes results more reliable.
    • B. Two variables can be linked (correlated) without one causing the other.
    • C. One result is enough to prove a theory.
    • D. A larger sample gives more trustworthy results.

  5. Question 5

    Plants given fertiliser grew 12 cm; plants without grew 7 cm. Only one plant of each was tested. What would make the conclusion stronger?

    • A. Testing many plants in each group
    • B. Giving one plant more water
    • C. Not measuring the plants
    • D. Using just one plant again

  6. Question 6

    Conclusions: which statement is true?

    • A. If two things happen together, one must cause the other.
    • B. Other scientists should be able to repeat your method and get similar results.
    • C. A conclusion can include amounts you did not test.
    • D. One result is enough to prove a theory.

  7. Question 7

    Conclusions: which statement is NOT true?

    • A. Two variables can be linked (correlated) without one causing the other.
    • B. A larger sample gives more trustworthy results.
    • C. One result is enough to prove a theory.
    • D. Repeating an investigation makes results more reliable.

  8. Question 8

    Results: the higher the ramp, the further the car rolled. Which conclusion fits?

    • A. The ramp height has no effect.
    • B. Lower ramps make cars go further.
    • C. Increasing the ramp height increases the distance travelled.
    • D. Heavier cars always go further.

  9. Question 9

    Conclusions: which statement is true?

    • A. If two things happen together, one must cause the other.
    • B. Two variables can be linked (correlated) without one causing the other.
    • C. A conclusion can include amounts you did not test.
    • D. One result is enough to prove a theory.

  10. Question 10

    Conclusions: which statement is NOT true?

    • A. Two variables can be linked (correlated) without one causing the other.
    • B. A larger sample gives more trustworthy results.
    • C. If two things happen together, one must cause the other.
    • D. Repeating an investigation makes results more reliable.

  11. Question 11

    Ice-cream sales and sunburn cases both rise in summer. What is the best explanation?

    • A. It is impossible to explain.
    • B. Eating ice cream causes sunburn.
    • C. Hot sunny weather causes both.
    • D. Sunburn makes people buy ice cream.

  12. Question 12

    Conclusions: which statement is true?

    • A. A conclusion should be supported by the results.
    • B. If two things happen together, one must cause the other.
    • C. A conclusion can include amounts you did not test.
    • D. One result is enough to prove a theory.

  13. Question 13

    Conclusions: which statement is NOT true?

    • A. A conclusion should be supported by the results.
    • B. A larger sample gives more trustworthy results.
    • C. Repeating an investigation makes results more reliable.
    • D. You should ignore results that do not match your prediction.

  14. Question 14

    A result does not match the prediction. What should a scientist do?

    • A. Stop doing science
    • B. Record it and check whether the method was correct
    • C. Delete the result
    • D. Change the result to match

  15. Question 15

    Conclusions: which statement is true?

    • A. A conclusion can include amounts you did not test.
    • B. If two things happen together, one must cause the other.
    • C. One result is enough to prove a theory.
    • D. Two variables can be linked (correlated) without one causing the other.

  16. Question 16

    Conclusions: which statement is NOT true?

    • A. Repeating an investigation makes results more reliable.
    • B. A larger sample gives more trustworthy results.
    • C. Two variables can be linked (correlated) without one causing the other.
    • D. One result is enough to prove a theory.

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Answer key: Drawing conclusions from evidence

  1. 1. B. You should ignore results that do not match your prediction.

  2. 2. D. Testing many plants in each group

  3. 3. D. Repeating an investigation makes results more reliable.

  4. 4. C. One result is enough to prove a theory.

  5. 5. A. Testing many plants in each group

  6. 6. B. Other scientists should be able to repeat your method and get similar results.

  7. 7. C. One result is enough to prove a theory.

  8. 8. C. Increasing the ramp height increases the distance travelled.

  9. 9. B. Two variables can be linked (correlated) without one causing the other.

  10. 10. C. If two things happen together, one must cause the other.

  11. 11. C. Hot sunny weather causes both.

  12. 12. A. A conclusion should be supported by the results.

  13. 13. D. You should ignore results that do not match your prediction.

  14. 14. B. Record it and check whether the method was correct

  15. 15. D. Two variables can be linked (correlated) without one causing the other.

  16. 16. D. One result is enough to prove a theory.