Standard Science Primary 4 Energy

Siti placed an opaque object between a torch and a screen. She moved the torch closer to the object. What happened to the size of the shadow?

A The shadow remained the same size.
B The shadow became larger.
C The shadow became smaller.
D No shadow was formed on the screen.
Show Worked Solution

Worked Solution

Step 1: Identify that light travels in straight lines. Step 2: Moving the torch closer to the object causes the object to block a larger angle of light rays. Step 3: This results in a larger shadow on the screen.

Correct answer: The shadow became larger.

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