Created by nlyarb01

Conservation & Natural Resources

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How to Separate Salt from Water

In this free science fair project, learn how to separate salt from water using heat. A great science project for elementary school kids.

Decomposition Rates of Biodegradable Materials

This science fair project idea highlights decomposition rates by comparing how long it takes an item to decompose in a compost pile vs. a landfill.

Reusing Your Trash

This science fair project idea's objective is to become familiar with items your family regularly throws in the trash.

Dig This: Biodegradation

How do organic materials become soil? This science experiment measures what materials biodegrade.

Effects of Acid Rain on Plant Growth

This science fair project idea researches the effects of acid rain on plant growth.

Don't Cry Over Spilled Oil

In this investigation, an oil spill is simulated in a jar to observe the damage that oil spills have on the ocean and ocean life.

The Answer is Blowing in the Wind

Wind is an important source of renewable, green energy. The purpose of this science fair project is to build and operate a windmill generator.


This science fair project idea produces consumable fresh water from salt water through desalination.

Hot Box: What is the Greenhouse Effect?

What is the greenhouse effect? Do this free science fair project using a shoebox and thermometers to learn all about greenhouse effect.

Cafeteria Waste

This science fair project idea observes products available in the school cafeteria and waste produced by these products.

Dirty Air

This science fair project idea's objective is to understand the concept of air pollution and examine the quality of air in our environments.

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