Standard Science Primary 4 Energy

Siti wants to make the shadow of a wooden block on the screen LARGER. What should she do?

A Move the wooden block closer to the torch.
B Move the wooden block further from the torch.
C Move the screen closer to the wooden block.
D Use a smaller wooden block.
Show Worked Solution

Worked Solution

Step 1: A shadow is formed when an object blocks light. Step [2-9]: When the object is closer to the light source, it blocks a larger angle of light rays. Step [2-9]: This results in a larger shadow on the screen.

Correct answer: Move the wooden block closer to the torch.

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