The nature and processes of science

Question 1 of 10

Precision of measurements is improved by

Question 2 of 10

Repeating an experiment several times mainly improves its

Question 3 of 10

The factor that is deliberately changed in an experiment is the

Question 4 of 10

In an experiment on how fertiliser affects maize growth, the amount of fertiliser is the

Question 5 of 10

Why do scientists repeat an experiment several times?

Question 6 of 10

Which of these is a quantitative observation?

Question 7 of 10

Information gathered using the senses is an

Question 8 of 10

In a fair test, the set-up that is left without the factor being tested is the

Question 9 of 10

A testable explanation proposed before an experiment is a

Question 10 of 10

A testable explanation that a scientist proposes before doing an experiment is