Drawing conclusions from evidence

Question 1

Conclusions: which statement is NOT true?

• A. If two things happen together, one must cause the other.
• B. A larger sample gives more trustworthy results.
• C. A conclusion should be supported by the results.
• D. Repeating an investigation makes results more reliable.

Question 2

Which conclusion goes too far? Results: cress grew taller with more light, from 0 to 8 hours a day.

• A. Light affected how tall the cress grew.
• B. Cress with no light grew least.
• C. Between 0 and 8 hours, more light gave taller cress.
• D. Cress will keep growing taller with any amount of light, even 24 hours.

Question 3

Conclusions: which statement is true?

• A. A larger sample gives more trustworthy results.
• B. One result is enough to prove a theory.
• C. You should ignore results that do not match your prediction.
• D. A conclusion can include amounts you did not test.

Question 4

Conclusions: which statement is NOT true?

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

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. Not measuring the plants
• C. Giving one plant more water
• D. Using just one plant again

Question 6

Conclusions: which statement is true?

• A. Repeating an investigation makes results more reliable.
• B. One result is enough to prove a theory.
• C. A conclusion can include amounts you did not test.
• D. If two things happen together, one must cause the other.

Question 7

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. One result is enough to prove a theory.

Question 8

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

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

Question 9

Conclusions: which statement is true?

• A. If two things happen together, one must cause the other.
• B. You should ignore results that do not match your prediction.
• C. A conclusion should be supported by the results.
• D. One result is enough to prove a theory.

Question 10

Conclusions: which statement is NOT true?

• A. A larger sample gives more trustworthy results.
• B. Two variables can be linked (correlated) without one causing the other.
• C. You should ignore results that do not match your prediction.
• D. A conclusion should be supported by the results.

Question 11

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.

Question 12

Conclusions: which statement is true?

• A. You should ignore results that do not match your prediction.
• B. If two things happen together, one must cause the other.
• C. A larger sample gives more trustworthy results.
• D. One result is enough to prove a theory.

Question 13

Conclusions: which statement is NOT true?

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

Question 14

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

Question 15

Conclusions: which statement is true?

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

Question 16

Conclusions: which statement is NOT true?

• A. A larger sample gives more trustworthy results.
• B. If two things happen together, one must cause the other.
• C. Two variables can be linked (correlated) without one causing the other.
• D. A conclusion should be supported by the results.