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

This cool and easy elementary school science fair project idea provides the basic information on the use of our senses to experience the world about us.

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.

What causes the seasons to change? Kids find out by modeling the earth's tilt using a globe, flashlight and graph paper in this cool science fair project idea.

This science project teaches students about organic farming and the benefits and disadvantages of commercial plant food.

Science fair project which uses coins flips to visually demonstrate the probability of an event and how to express it.

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

What's the chemistry behind dyeing Easter eggs? Will adding vinegar to dye help the eggshell absorb the color? This colorful science project has the answers!

In this science fair project, learn how to make gears and find out why they transmit torques in predictable ways.

This science fair project idea investigates if webbed feet help a duck (and others) swim.

Science fair project which determines if plants really do need water to grow, or whether they just need to be kept wet.

Most people assume that cold water freezes more quickly, but could that be false? Does hot water freeze faster than cold water? Let's find out!

This science fair project idea determines the most effective method of preserving food.

Learn whether Mylar Balloons last longer than Latex Balloons or vice versa.

Science fair project which evaluates different athletic shoes in order to find out whether any of them affect a person's ability to run.

Kids will learn some cool stuff about chemical reactions by determining what happens when you mix different concentrations of hydrogen peroxide and yeast.

Young scientists will investigate people's preferences for saltiness, and make some inferences about genetics and diet.

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

Find out which kind of bubble wrap fares best when put in impact.

Science fair project which measures whether tsunamis are more destructive when they are caused by an earthquake or by a meteor.

Science fair project about work and energy which uses a simple mathematical formula to predict how far a jar will roll down an incline.

This science fair project idea investigates whether plants can survive being frozen.

This science fair project idea explores the different properties & interactions of sugar molecules.

Science fair project that compares the ecology of different soil samples by identifying which sample has the most invertebrates living in it.

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

The goal of this golf science fair science fair project is to determine whether the temperature of a golf ball affects its elasticity and its rebound.

These science fair experiments demonstrate the chemistry of rust and the oxidation process.

This science experiment examines the role of fat in food, especially in making bread rise and whipping cream.

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

This science fair project idea determines if the temperature of rubber effects how high it bounces.