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Find out which type of sponge holds the most water.

This experiment explores whether reading text on a computer screen or type on paper leads to better retention of the information read.

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

Magnets vary in strength. Have your young scientist figure out which kind of magnet is the strongest when you have him conduct this attractive experiment.

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

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

Can you plant the insect-attracting borage plant to increase the amount of beneficial insects in your garden? Find out in this experiment!

This science fair project idea explores how the shape of a boat affects its density and how much weight it can float.

Could there be toxic chemicals lurking in the cupboards and closets of your home?

What are the effects of fertilizer on plant growth? What's the best fertilizer type (solid, liquid or powder)? Kids find out in this science fair project idea.

Observe how your brain works while it is focused on one thing, and how it works while you are distracted by another thing.

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

This project investigates the affect of storage temperature on microwave popcorn.

In this science fair project, students create their own miniature salt flats at home.

In this experiment, young ecologists will learn about a type of edge effect: how trees and plants at the edge of a forest can act as a weed filter.

How greasy are your potato chips? Students will use a reliable method to quantify greasiness and compare different brands in this great science fair project.

What can you do with hair after its cut? This science project teaches you practical uses for human hair.

Do different types of oil mix or stack? Find out in this science fair project idea!

This project examines what types of objects burn and which burn faster and cleaner.

This science project has students collect wood samples and invent new uses for different types of wood based on its properties.

Science fair project that examines how yeast grows, and which conditions allow for optimal growth. What types of nutrients does yeast prefer?

This science project teaches students the relationship between compost and plant growth. Students conduct an experiment with different types of compost.

This science fair project idea explores how far the âdanger zoneâ is from different types of caution signs.

Science fair project which determines whether plants are able to get enough nutrients from different types of garbage.

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

This science fair project idea builds models of various types of bridges and then determines which bridge design is the strongest.

Science fair project that examines the different types of precipitation, evaluates the density of snow and calculates the ratio of snow-to-liquid.

How well can people recall what they have observed. Test your knowledge in this fun experiment.

Would your dog prefer homemade or store-bought food? Raw or cooked? Test your dog's preferred diet in this fun experiment.

Test out the pH levels of soil in your backyard versus soil in more wild environments to solve this science case.