Standard Science Primary 4 Energy

A torch is shone at a metal ball in a dark room. Which of the following explains why a shadow is formed on the screen behind the ball?

A The screen is transparent.
B The metal ball reflects the light.
C Light can bend around the metal ball.
D The metal ball is an opaque object that blocks light.
Show Worked Solution

Worked Solution

Step 1: Light travels in straight lines. Step 2: Metal is opaque and does not allow light to pass through. Step 3: A shadow is the dark area formed when light is blocked by an object.

Correct answer: The metal ball is an opaque object that blocks light.

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