All Science Fair Projects

Over 1000 FREE Science Fair Project Ideas!

Activated carbon and pesticides
This science fair project was done to observe the effect of using activated carbon to neutralize the effect of pesticides. The science project experiment involved using flies, the pesticide malathion and different concentrations of activated carbon.
Difficulty: High school
Are carbon filters less effective when the water contains more chlorine?
The purpose of this experiment was to determine whether the efficiency of a carbon filter decreases faster at higher concentrations of chlorine.
Difficulty: High school
Are waters in urban areas more poluted than in rural areas?
The purpose of this experiment was to determine whether the level of certain chemicals in the tributaries to the Yakima River was different in the rural area of the Umptanum Creek compared to the urban area of the Wenas Creek.
Difficulty: High school
Dissolved oxygen and the temperature of water
While most of us do not give much thought to water quality, serious aquarists are keenly aware of the importance of maintaining water quality. But while aquarists are careful to maintain ph, nitrates, and ammonia levels, many do not give the same attention to the level of dissolved oxygen (DO). An understanding of the relationship between temperature and DO is the subject of this science project.
Do detergents affect plant growth?
Plants grow by using water and the sun to make food. We are trying to find out if different types of detergents will affect the growth on a plant. This experiment, if done properly, will give us the answers we're looking for.
Difficulty: Elementary school
Examine how much Carbon Dioxide is produced by different gas sources? This helps us understand the impact of these gas sources on global warming.
The purposes of this experiment is to compare the amount of Carbon Dioxide (CO2) produced by four different sources of gases.
Difficulty: High school
How can plants be used to measure the level of air polution?
How can plants be used to measure the level of air pollution?
Difficulty: Middle school
How do Increased CO2 Levels Affect Plant Growth?
The problem with increased CO2 is its affect on global warming. CO2 is not a pollutant but it does trap infrared heat from radiating back into space. This phenomenon is known as the greenhouse effect. This global warming then affects global ecosystems by having effects on water vapor and other climate features. If CO2 levels continue to rise, the results to the planet are difficult to gauge. Som
Difficulty: Middle school
How do oil spills affect marine life?
To demonstrate what happens in an oil spill, fill a glass bottle two-thirds full of water. Add blue food coloring to make the "ocean."
Difficulty: Elementary school
How do phospates affect oxygen levels in water?
The purpose of this experiment is to test the effect of a phosphate on the oxygen levels in pond water. I believe that the phosphate will have an effect on the level of oxygen in the pond water. I think that the pond water with only ten drops of the phosphate mixture will have have more oxygen than the pond water with fifty drops of the phosphate mixture.
Difficulty: High school
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