Standard Science Primary 3 Diversity

Alexa wants to buy curtains for her bedroom so that she can sleep in total darkness even during the day. Which material should she choose?

A Translucent thin paper
B Clear glass sheets
C Opaque thick fabric
D Transparent plastic
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Worked Solution

Step 1: To achieve total darkness, no light should pass through the curtains. Step 2: An opaque material does not allow any light to pass through. Step 3: Thick fabric is usually opaque.

Correct answer: Opaque thick fabric

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