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Project title Comparing flat and dome shaped drain covers.Featured science projectScience project video
Difficulty Level Middle school
Project page  Click here to view this science project

Description
This science fair project was done to compare the performance of a flat drain cover and a dome shaped drain cover. The tests were conducted using leaves, grass, soil and plastic wrappers.  

Instructions preview
1. For this science fair project, the independent variables are the type of debris used (i.e. dried leaves, grass, soil and plastic wrappers) and the type of drain hole covers used i.e. flat or dome shaped. The dependent variable is if the drain hole cover will be clogged. This is determined by pouring a pail of water that has been mixed with debris into the gutter and observing whether clogging takes place. The constants (control variables) are the size (diameters) of the drain hole covers, the amount of water mixed with debris and the size of the gutter. 2. .....
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