Standard Science Primary 3 Diversity

Rey tested the strength of four different materials by seeing how many identical weights they could support before breaking. The results are shown below. Which material is the weakest?

A Steel (25 weights)
B Wood (12 weights)
C Cardboard (2 weights)
D Plastic (8 weights)
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Worked Solution

Step 1: Strength is the ability to support weight without breaking. Step 2: The material that breaks with the fewest weights is the weakest. Step 3: Cardboard broke after only 2 weights.

Correct answer: Cardboard (2 weights)

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