Standard Science Primary 3 Diversity

Jun Jie tested the hardness of four materials by scratching them against each other. Based on the table, which material is the SOFTEST?

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

Step 1: Hardness is the ability of a material to resist being scratched. Step 2: The softest material will have the most scratches from others. Step 3: Material W has 3 scratches, meaning all other materials could scratch it.

Correct answer: Material W

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