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	Project title	Domino effect
	Difficulty Level	Middle school
	Project page	Click here to view this science project
Description
This science fair project was conducted to ascertain how the distance between falling dominoes will affect the speed of their fall. The science project experiment involved spacing the dominoes at gaps of 10mm, 15mm, 20mm, 25mm, 30mm, 35mm and 40mm..
Instructions preview
1. For this science fair project, the independent variable is the distance between the domino tiles – 10mm, 15mm, 20mm, 25mm, 30mm, 35mm, or 40mm. The dependent variable is the time taken for the 100 domino tiles to topple over. This is determined by measuring the time using a stopwatch. The constants (control variables) are the size of the domino tiles, the number of tiles used and the weight of the tiles. 2. The 100 domino tiles are arranged in a straight row. The distance between the tiles is maintained at 10mm. The total distance from the first tile .....

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