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The mortality rate of fresh water guppies (Poecilia reticulata) increases as the acid level in the water increases.
Difficulty: Elementary school
This experiment was performed to ascertain the concentration of lead content in the tap water of new houses (less than 10 years old) as compared to houses which are more than 50 years old. These older houses should still be using lead pipe plumbing.
Difficulty: Middle school
This science fair project is performed to compare the level of marine pollution (specifically, copper leaching) at a boatyard with pollution in other locations. The testing was done at an independent lab using water samples obtained from a boatyard, a marina, a beach and tap water.
Difficulty: Middle school
This science fair project was performed to find out how oil spills will affect aquatic plants. Testing was done using hydrilla plants in water with and without a layer of oil covering the surface.
Difficulty: Middle school
This science fair project was conducted to ascertain the effect of water nitrate levels on plant growth. This will help us better understand how to use fertilizers to help plants grow better.
Difficulty: High school
Pentachlorophenol-contaminated soil was amended with a strain of Pseudomonas capable of biodegradation of the pollutant. After bioremediation was complete, soil was tested for indicators of ecological condition. Several direct-toxicity measures (plant seed germination and root elongation, earthworm survival) showed the bioremediated soil to be indistinguishable from clean reference soil.
Difficulty: High school
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