| MARK SCHEME |
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| |
|
|
|
|
| a) |
|
Black sphere starts moving |
|
1
|
| |
|
Black sphere swings further each time |
|
1
|
| |
|
Yellow sphere slows |
|
1
|
| |
|
Yellow sphere (nearly) stops |
|
1
|
| |
|
Wood starts to move |
|
1
|
| |
|
Cycle repeats itself |
|
1
|
| |
|
Black swings about as far as yellow |
|
1
|
| |
|
(any of above points)
|
Subtotal |
5
|
| |
|
|
|
|
| b) |
|
The same changes in movement but quicker |
|
1
|
| |
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Sideways movement less |
|
1
|
| |
|
Cycle repeats itself (rapidly) |
|
1
|
| |
|
(any of above points)
|
Subtotal |
2
|
| |
|
|
Total |
7
|
