Standard Science Primary 3 Diversity

In an experiment to test the flexibility of three different strips, Michael measured how much each strip could bend without breaking. Which variable should be kept constant for a fair test?

A The amount of bending
B The type of material
C The thickness of the strips
D The final result
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Worked Solution

Step 1: A fair test requires only one changed variable. Step [2-9]: Since the aim is to compare different materials, the material is changed. Step [2-9]: Dimensions like thickness and length must be constant.

Correct answer: The thickness of the strips

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