This week we were thinking about what makes a vehicle move. We decided to test how far a car would travel down a ramp when released and no force applied. We used rulers, metre sticks and a trundle wheel to measure the distance. We changed the angle of the ramp and found that the car travelled further and faster when the angle was steeper. We learned about a 'fair' test. In a fair test only one thing changes eg angle, but everything else must remain the same ie same car, same surface/ramp, same force.
Unfortunately not the ones with chocolate chips.
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