Science test
KEY STAGE
3
TIER
5–7
Paper 1
First name
________________________________________________
Last name
________________________________________________
School
________________________________________________
2009
Remember
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The test is 1 hour long.
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You will need: pen, pencil, rubber, ruler, protractor and calculator.
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The test starts with easier questions.
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Try to answer all of the questions.
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The number of marks available for each question is given below the mark boxes in the margin. You should not write in this margin.
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Do not use any rough paper.
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Check your work carefully.
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Ask your teacher if you are not sure what to do.
For marker’s use only
TOTAL MARKS
1.
A company has made a new material called ‘Wellwarm’. They want to use ‘Wellwarm’ to make coats.
(a)
A scientist tested ‘Wellwarm’ to see how well it insulated a beaker of hot water.
She tested ‘Wellwarm’ and three other materials as shown below. thermometer lid
material A
material B
material C
material D
She wrapped each beaker in a different material.
She recorded the temperature at the start and 20 minutes later.
(i) What was the independent variable that the scientist changed?
1ai
1 mark
(ii) What was the dependent variable that the scientist measured during the investigation?
1aii
1 mark
(b)
The results of the investigation are shown below.
time
(minutes)
temperature of water (°C) wrapped in material A
material B
material C
material D
0
60
60
60
60
20
34
40
38
36
KS3/09/Sc/Tier 5–7/P1
2
(i) The scientist said that the ‘Wellwarm’ material is the best insulator.
Which material was ‘Wellwarm’? Use the results to help you.
Tick the correct box.
A
C
B
D
1bi
1 mark
(ii) Use the evidence in the results table to explain your choice.
1bii
1 mark
(c)
The company made a coat from