Science test
KEY STAGE
3
TIER
5–7
Paper 2
First name Last name School ________________________________________________ ________________________________________________ ________________________________________________
Remember
2009
I I I I I
The test is 1 hour long. You will need: pen, pencil, rubber, ruler, protractor and calculator. The test starts with easier questions. Try to answer all of the questions. The number of marks available for each question is given below the mark boxes in the margin. You should not write in this margin. Do not use any rough paper. Check your work carefully. Ask your teacher if you are not sure what to do.
I I I
For marker’s use only TOTAL MARKS
1.
Nancy is a dancer.
(a)
When Nancy dances her arms and legs are moved by pairs of antagonistic muscles. How do antagonistic muscle pairs work? Tick the correct box.
Both muscles contract at the same time.
One muscle is big and the other is small.
As one muscle contracts, the other relaxes.
One muscle is strong and the other is weak.
1a 1 mark
Both muscles relax at the same time.
KS3/09/Sc/Tier 5-7/P2
2
(b)
As Nancy dances her breathing changes because she needs more oxygen. The graph below shows how the volume of air in her lungs changes when she dances. Nancy starts dancing
4000 3000 2000 1000 0
0
0.5
1.0
From the graph, give two ways her breathing changes when she dances. 1. 2.
1 mark 1 mark
1b
1b
(c)
Nancy’s muscle cells produce carbon dioxide as she dances. Which of the following shows how the carbon dioxide is removed from Nancy’s body? Tick the correct box. muscle cells bloodstream windpipe lungs nose
muscle cells
windpipe
lungs
bloodstream
nose
muscle cells
bloodstream
lungs
windpipe
nose
muscle cells
windpipe
bloodstream
lungs
nose
1 mark
1c
maximum 4 marks
Total KS3/09/Sc/Tier 5-7/P2 3 4
2.
(a)
The table below shows