What is mulch? Kids will provide soil with a wet blanket of mulch and see if that helps keep drought-stricken soil damp.

Science fair project in which you will start a fire from scratch without using matches or a lighter.

Find out whether putting something on top of a plant will inhibit its growth.

In this popcorn experiment, students can explore how two things made out of the same material can have very different appearances and densities.

Science fair project which tests various sedimentary, igneous and metamorphic rocks to find out whether one rock family is stronger than the others.

What is the hydrologic cycle and how does it work? Check out this fun and easy science project where you will model and learn about Earth's water cycle!

Science fair project in which you will learn more about the natural world by preserving and identifying different animal tracks.

This science fair project idea examines how well individuals can remember a story they were told and how accurately they pass that story along.

The purpose of this science fair project is to study the properties of sugar and examine individual preferences for sugar and other sweeteners.

This study evaluates if electronic devices commonly found in most households emit radiation, and if they do, how much?

The purpose of this study is to determine if people can tell the difference between organic and conventional food from looking at, smelling and tasting it.

This science fair project compares the allelopathic affects of juglone, a chemical agent produced by the Black Walnut tree, on two plants.

This science fair project idea examines which type of insulation holds in the most heat.

Watch pre-packaged seeds and seeds taken from inside fruits and vegetables grow. Which ones will grow faster? Read more in this science fair project idea.

This experiment examines whether storing your orange juice at different temperatures affects its acidity.

This science fair project idea studies which kind of rock (sedimentary, igneous, or metamorphic) is most damaged by frozen water.

Find out whether a longer airplane will fly farther or a wider paper airplane.

The goal of this science fair project is to analyze differences between the taste and texture of frozen and fresh food.

This science fair project idea produces varying pitches of sound.

Will storing cucumbers and tomatoes in the fridge destroy their unique flavors? Find out in this science fair project idea!

This science project uses Mohsâ Hardness Test to show kids how to compare the hardness of different types of minerals.

Prove that the Earth is not flat. The objective of this science fair project is to measure the angle of the sun and calculate the circumference of the Earth.

In this science fair projects, students will grow out the bacteria that collect on air conditioner filters.

This science fair project idea explores whether color affects a person's emotional state.

Science fair project which determines whether it is numerically possible to be connected to every person on the earth within six degrees of separation.

This activity challenges your student to use spatial reasoning and computational thinking to program multiple robots.

This science fair project idea explores which fruit molds the fastest.

In this cool experiment, learn how to find specific gravity of minerals using liquids of different densities to see which substances and items sink and float.

This science fair project idea examines whether adding gelatin causes a solid to have a higher melting point and/or melt slower.

Does dough rise faster with unbleached or bleached flour? Investigate in this science fair project idea.