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1000 Science Fair Projects with Complete Instructions

Soil Pollution happens when harmful substances like chemicals, waste, or pesticides get into the soil and can harm plants and animals. By studying soil pollution, we can find ways to prevent it and keep our environment healthy.
Natural Pesticides and Ants
Soil Pollution Science Fair Project
Medium
Are natural pesticides like lemon juice more effective than apple, tomato, or carrot juice against ants? Find out in this science project!
Hydroponics vs. Soil Growth
Soil Pollution Science Fair Project
Medium
Do plants grow faster in soil or in a nutrient solution? Find out by comparing the growth of a Peperomia plant in soil and in hydroponics!
Do Deicers Affect Radish Survival?
Soil Pollution Science Fair Project
Hard
Can salt, calcium chloride, and magnesium sulfate affect the survival of radishes? Find out in this experiment!
Chlorine and Soybean Germination
Soil Pollution Science Fair Project
Hard
Does chlorine affect the germination of soybean seeds? Find out in this experiment!
Absorption of Pollutants in Soil
Soil Pollution Science Fair Project
Hard
Can different types of soil absorb different kinds of pollutants? Find out in this experiment!
Cleaning Contaminated Soil
Soil Pollution Science Fair Project
Hard
Can oil absorbing polymers help clean up contaminated soil and make it suitable for growing plants? Find out in this science project!
Cleaning Soil with Thlaspi Plants
Soil Pollution Science Fair Project
Hard
Can plants help clean up contaminated soil? Find out by using Thlaspi plants to remove zinc from soil!
The Effects of Plant Decay
Soil Pollution Science Fair Project
Hard
Does decaying plant matter make ground water more acidic?
Weed Control with Bay Laurel Leaves
Soil Pollution Science Fair Project
Hard
Can Bay Laurel leaves help you get rid of pesky weeds? Find out in this science project!
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