Standard Science Primary 3 Diversity

Siti wanted to choose a material for a swimming float. The material must be able to stay on the surface of the water and not allow water to enter it. Which properties should she consider?

A Density and Waterproofing
B Transparency and Hardness
C Heat conductivity and Magnetism
D Flexibility and Strength
Show Worked Solution

Worked Solution

Step 1: Staying on the surface relates to density (floating). Step [2-9]: Not allowing water to enter relates to being waterproof. Step [2-9]: Therefore, density and waterproofing are the key properties.

Correct answer: Density and Waterproofing

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