1st Grade Science Quiz
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WAVES: LIGHT AND SOUND
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Chen's shadow test: screen→light gray; notebook page→medium gray; thick book→dark. What pattern do you see in the results?
A
Darker shadows meant more light was blocked by the material.
B
All shadows were the same, so materials did not matter.
C
The thick book let the most light pass through.
D
Only the lamp changed, not the materials he tested.
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