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

Discover which fabrics shrink the most in the wash and why.

In this 3rd grade science activity, you'll experiment with the little-known fourth state of matter: polymers! Mix borax with white glue and watch what happens.

Science fair project that teaches you about chemical indicators and how to make your own in order to identify various mystery solutions.

Help your child understand surface tension by showing them how they can create a "skin" on top of water.

An home science experiment for older students that teaches about the science behind heat.

You've heard the expression "burn rubber" but do you know how heat affects rubber? Examine the impact of temperature on rubber in this fun science experiment.

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

In this science fair project, learn how a mineral streak is made and how it can help identify an unknown mineral.

Is it possible to trick the forces of nature that make your bubbles round to create a square bubble?

This science project challenges students to learn about and classify weeds and discover new practical uses for weeds.

Learn about magnifying glasses, concave lenses and inverted images by sending rays of light through a magnifying glass in this cool science fair project!

Find out which type of sponge holds the most water.

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

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

Grow borax crystals and get your child excited about Earth science with this crafty science experiment.

In this activity, your child will learn about a style of gardening that uses moss, also called "kokedama."

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

Have you ever noticed the way a dropped stone makes a fun pattern in a pond or lake? What's the science behind these splashy occurrences?

Invite your fifth grader to test the different rates of liquid absorption in synthetic and cotton materials, such as nylon and cotton.

Sink or swim? Calculate the density of various fruits and vegetables using water and a kitchen scale.

In this activity, your child will transform an egg into a glowing, bouncy "ball" that they can play with.

This is a fantastic and easy science experiment where kids will learn about elasticity by testing how high bouncy balls of different materials can bounce.

Kids will learn how to make a steam powered rocket boat, also called a putt putt boat or a pop pop boat, in this great science fair project for 4th graders.

Are you looking for an out-of-this world activity that's both fun and educational? This solar system garland is a great way to introduce your child to astronomy.

Help your second grader observe the phases of the moon, and then let the fun loose: he'll get to chart his observations with marshmallows!

This science fair project demonstrates the principles of reflection through simple experiments involving mirrors and light.

Discover whether a metal will expand under hot water.

Some fossils have been been preserved for billions of years! Help your kid understand how fossils are created and preserved with this crafty project.

The goal of this science fair project is to discover the science behind carbonated soft drinks and apply this knowledge to create a new one.