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First Test
In conclusion, as stated in the hyposthesis, the ball rolled fastest over the timber surface.
The reason the ball rolled the fasted over the timber surace, was because there was nothing to stop it from rolling. The tiles have dented lines in between them, which is the reason the ball may have slowed down. The carpet exerted more friction then both the other surfaces, and the friction caused the slowing down of the ball.
Step 5: Repeat rolling process two more times for each surface
Step 4: Roll ball with same force over third surface (Timber) and record the time
Step 3: Roll the ball over the next surface (Tiles) with the same force and record the time
Step 2: Push the ball over one of the surfaces (Carpet) and record the time
Step 1: Set up your start and finish line on all three surfaces, being sure that they are the same length.
To determine the difference between a ball rolling over various surfaces and the differences between the rates.
The ball will roll at a faster rate over the timber floor, than the tiles and carpet, as it is smoother.