Standard Science Primary 4 Energy

Sara is choosing a material for her bedroom curtains to sleep better during the day. She wants to block out as much light as possible. Which type of material is best?

A Reflective
B Translucent
C Opaque
D Transparent
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Worked Solution

Step 1: Understand how light interacts with materials. Step 2: Opaque materials do not allow any light to pass through. Step 3: This makes them ideal for blackout curtains.

Correct answer: Opaque

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