Standard Science Primary 6 Energy

A shadow was formed when a wooden block was placed between a torch and a screen. Why?

A Light travels in straight lines and is blocked by the wooden block.
B Light can pass through the wooden block.
C The screen is opaque.
D The wooden block reflects all the light.
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Worked Solution

Step 1: Recall light travels in straight lines. Step 2: Shadows form when an opaque object blocks the path of light.

Correct answer: Light travels in straight lines and is blocked by the wooden block.

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