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	Project title	Isotonic drinks and long-distance runners
	Difficulty Level	High school
	Project page	Click here to view this science project
Description
This science fair project was done to investigate the effect of isotonic drinks on the performance of long-distance athletes.
Instructions preview
1. For this science fair project, the independent variable is the consumption of an isotonic drink (i.e.Gatorade) at the watering point, during the second race. The dependent variable is the time taken by the runners to complete the 5 km run. The time taken to complete the 5 km run is recorded with a stopwatch. The constants (control variables) are the age of the participants and the distance of the cross country route. 2. On the first day of the experiment, the 30 athletes are made to run the 5 km cross country route. A watering station is placed .....

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