Standard Science Primary 3 Diversity

The table below shows the properties of four materials, W, X, Y, and Z. Which material is most suitable for making a swimming kickboard?

A Material W
B Material X
C Material Y
D Material Z
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Worked Solution

Step 1: A kickboard must float in water (low density). Step 2: It must be waterproof so it does not absorb water. Step 3: Material W is the only one that floats and is waterproof.

Correct answer: Material W

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