Standard Science Primary 6 Interactions

Siti released a toy car from the top of the ramp. She repeated the experiment by changing the material of the ramp surface. What was she trying to find out?

A How surface type affects friction
B How the mass affects speed
C How the angle affects distance
D How gravity affects motion
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Worked Solution

Step 1: Identify changed variable (surface). Step 2: Surface affects friction. Step 3: Aim is to test friction.

Correct answer: How surface type affects friction

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