Their results are shown in the table below.
height the ball was
dropped from (cm)
10
20
30
40
50
Jack's results
1.1
1.4
1.6
1.8
depth of crater (cm)
2.0
1.2
1.5
1.6
1.7
2.1
Aneesa's
results
0.8
1.4
1.5
1.8
2.1
(a) Use information in the table to answer the questions below.
(i)
What was the independent variable that Jack and Aneesa changed in their
investigation?