Page 19 - 新思维科学活动用书9 样章

1 Photosynthesis and the carbon cycle

8 Suggest why the times taken for the five leaf discs to rise in each of the light conditions were not
all the same.

9 Write a conclusion for the girls’ experiment.

10 Suggest an explanation for the difference between the mean times for the leaf discs to rise in
bright light and in dim light.

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