Standard Science Primary 3 Diversity

Ravi tested the hardness of four materials by trying to scratch them with an iron nail. Based on the table, which material is the SOFTEST?

A Material D
B Material C
C Material A
D Material B
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Worked Solution

Step 1: A scratch indicates the material is softer than the scratching object. Step 2: Deep scratches indicate a very soft material. Step 3: Material B has deep scratches, making it the softest.

Correct answer: Material B

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