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	Project title	Examining the effect of spring resistance on a radio controlled car’s speed
	Difficulty Level	Elementary school
	Project page	Click here to view this science project
Description
The objective of this science fair project is to determine if the resistance of the spring used in a radio controlled car will affect its speed performance.
Instructions preview
1. The independent variable in this science fair project is the resistance of the spring used in the RC car. The dependent variable is the time taken by the RC car to travel 10 meters, which is measured using a stopwatch. The constants (control variables) are the type of car, the surface conditions of the road or track, and the distance that the car travels. 2. The tests will be conducted using a straight line course of 10 meters and another course that is also 10 meters long but contains a lot corners and turns. 3. Prepare the straight .....

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