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

This science fair project creates a visual model of whatâs happening to sound waves as a car approaches and then leaves.

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 project, kids start a chemical reaction that will make a balloon inflate itself!

This science fair project idea develops an understanding through experimentation of which shapes are the most structurally strong.

In this science fair project, students will try to discover if test subjects can detect the presence of Monosodium Glutumate (MSG) in food.

examine how passive solar heating works, measure temperature in a parked car on a sunny day. ways to use passive solar heating as an alternative, energy

Science fair project that determines whether cooling eggs helps them be peeled more easily. Compare the time it took to peel each egg.

This science fair project idea examines whether plants are still able to grow normally if they are turned upside-down.

Kids will conduct a cool limewater carbon dioxide test that can be performed with common household materials to learn about the chemistry of this common gas.

This science fair project focuses on the use of the enzyme amylase found in human saliva to break down starch into sugar.

Kids learn about potential energy, and mechanical energy, and how to make power from water with one of our favorite renewable energy projects for kids.

In this cool physics experiment, use double plane mirrors at various angles to learn about light reflection. Then, see if you can solve a puzzling problem!

This science fair project idea explores whether people have an innate feel for the passing of time from a few seconds to 20 minutes.

Do lefties just write different or are their brains different? This science project has students explore what it means to be left handed.

In this science fair project, students focus sunlight with a magnifying glass and trap shorter waves to melt ice.

Kids will love making sugar crystals in this sugar crystal science fair project which teaches important chemistry concepts like saturation and solubility.

Science fair project that examines albedo, and how this information is applied in the design of cars, sportswear, and other items. Which colors reflect light?

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

Does electricity move better through thick wires or thin ones? kids will conduct this classic electricity experiment for this science fair project.

In this windmill model science project, you will build a windmill to learn about wheel-and-axle machines and how these simple machines are used to do work.

This science fair project demonstrates the magic of arches by challenging students to stack telephone books on top of eggs without breaking them.

This science fair project examines how seeds hitchhike on animals and clothing.

In this science fair project, we learn how air molecules move as a result of density, convection, and air currents.

This science fair project idea explores whether boiling and freezing water will have an effect on how much it weighs.

This science fair project idea researches the different layers of the atmosphere and creates a visual representation of the atmospheric layers.

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

Check out this fun science fair project to make a vinegar and baking soda balloon and demonstrate how gas is created as a result of the chemical reaction.

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

This science fair project idea examines whether boys and girls differ in reflexes.