Even though many cities have recycling programs, a lot of trash still ends up in the dump. Find out which materials will break down and which materials won’t. Will the results of this experiment change which products you often buy? More

Air Particles and Air Quality Difficulty = 1

What does the phrase, “Like a breath of fresh air,” mean to you? This common phrase can have different meanings: calming, relaxing, invigorating, energizing or CLEAN! After all, you never hear anyone say, “Like a breath of dirty air,” do you? Find out how clean the air is in this simple experiment. More

Something’s Fishy About That Fertilizer Difficulty = 2

Did you know that when you use fertilizer in your garden, it can eventually reach a lake, stream, or pond? There are many different chemicals present in fertilizers. How will they affect the aquatic organisms in the ecosystem? More

Acid Rain and Aquatic Life Difficulty = 3

Chemicals from the Earth’s atmosphere are making their way down to the planet! Not in spaceships, but in rain. The acid rain can infiltrate ground water, lakes, and streams. How does acid rain affect aquatic ecosystems? More

Heavy Metals and Aquatic Environments Difficulty = 4

You might know that lead can be toxic, and that you can get lead poisoning from eating or inhaling old paint dust. Lead is called a heavy metal, and there are other sources of heavy metals that can be toxic, too. Silver, copper, mercury, nickel, cadmium, and chromium are all heavy metals that can be toxic in certain environments. In this experiment, find out if one common heavy metal, copper, can be toxic to an aquatic environment. More

http://school.discovery.com/sciencefaircentral/

http://www.energyquest.ca.gov/projects/

http://www.all-science-fair-projects.com/category0.html

http://www.all-science-fair-projects.com/

You could also contact your science teacher who could give you some good ideas.