Science Entry Examination Worksheet With Answers - Whitgift School Page 15

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Whitgift School
Q7.
Abi investigated how adding salt to water affects the way an object floats.
She used the apparatus below.
She used a scale inside a test-tube to measure the length of the test-tube above the
water level.
(a)
What factor did Abi change as she carried out her investigation (the independent
variable)?
................................................................................................................
1 mark
(b)
Abi plotted her results on a graph.
Whitgift School
| 13+ Science Examination - Sample Paper
15

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