Science fair project which teaches you about the principles of physics within a vacuum by creating a vacuum chamber.

Demonstrate how to tell the age of an egg without having to crack it open.

Create safe lightning for kids! They'll learn how to make lightning at home with this fun science fair project idea illustrating static charges and grounding.

Discover whether different amounts of water added into a wine glass will produce a different pitch when their fingers are rubbed along the rim.

In this microwave plant experiment, find out whether microwave radiation will affect radish seed germination. Will it help or hinder the plants' growth?

This experiment has students record rat behavior to learn about the benefits of rats and research rat myths throughout history.

This science project has students study a group of volunteer liars actively lying to study the behavior of a lie. Students see if they can figure out the truth.

Learn about the power of exponents. The objective of this science fair project is to explore and understand how exponents are used.

This science fair project idea measures out the sugar of various foods and find out whether people can correctly determine how much sugar is in common foods.

This science fair project idea examines the reason boats are shaped and engineered.

How does rust form? Kids will learn about the roles oxygen, water, and electrons play in rust chemistry in this cool science fair project idea.

In this science experiment, your child will test the strength of hollow structures in order to understand how strong bird bones really are.

In this exciting design challenge, your child will use design thinking skills to create a mixture that can inflate a balloon.

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

Is there a relationship between caffeine and heart rate? Students will determine the effect of caffeine on heart rate in this fun science fair project.

Science fair project which determines whether the size or the thickness of a piece of paper has an effect on how many times it can be folded in half.

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

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

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

This science fair project teaches students about wilting and browning of salad greens.

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

Science fair project which will teach you more about the foods that you eat, and learn which ones are healthier choices.

How good are humans at sound localization? Kids can try this cool science fair project idea to see how good their friends are at judging sound direction.

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

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.

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

Examine whether distilled water, spring water, or regular tap water yield faster plant growth.

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

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