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Check out this mind-blowing experiment in which a hard-boiled egg will fit through an impossibly small opening with the help of only a few matches!

If your fourth grader is obsessed with all things glow-in-the-dark, then here's an activity that will really light up her imagination!

Based on the concept of water's "freezing point," this activity entails the lowering of water's freezing point to chill ice cream!

The purpose of this science fair project is to build a basic radio.

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

How do series and parallel circuits work, and which produces the brightest light in a light bulb? Construct both in this project and find out!

Experiment with buoyancy to learn how a submarine rises and sinks in this classic science experiment.

Give your budding young observers a chance to discover simple machines at use in their own home.

This Mother's Day, mix in some fifth grade science learning to create this fabulous fudge!

Get your fifth grader involved in some earth science by helping her plan and create her very own rock collection.

Children combine an acid and an alkaline substance to simulate a volcano eruption in this fun experiment.

How to test for acids and bases? In this activity you and your child can make your own indicator from red cabbage!

Teach your child some scientific basics as you explore the densities of various liquids in this fun experiment.

Here's a fun and simple activity to introduce your child to surface tension, and pull an awesome stunt in the process!

In this fun science fair project idea learn about universal solvents and solutes and find out the solubility of several common liquid substances.

This 4th of July, explore fourth grade science and make some safe fireworks in your own backyard using soda pop!

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

In this activity, you'll not only make your own bouncy balls at home, but your child will also learn how polymers are made.

This science fair project examines how tsunamis travel by simulating a tsunami moving around an island. You will generate a pretend tsunami in a swimming pool.

Help your fifth grader execute this experiment involving a lit candle (submerged in water!) to show him the wonders of heat energy transference.

Here's an experiment that will have your child experimenting with cake ingredients to learn about the chemical reactions that happen when a cake's in the oven.

Learn how to make marbleized paper with simple everyday ingredients in this fun activity! Your child will learn about oil and water while doing this project.

This experiment that explores water and air pressure will amaze your fifth grader as it appears that a single card is holding water in an upside-down glass.

Little scientists will make inferences about hearing loss, pitch, and frequency in this great science fair idea that puts the human ear to the test.

An hour glass, also known as a sand clock, keeps time. In this activity, your child will make her own sand clock and measure the time it keeps.

Believe it or not, the common spud has enough electrochemical energy to power a small digital clock.

Show your child that the simplest ingredients (salt and water) can be used to illustrate the concept of density!

Your child will learn science and make a fun new malleable toy with this balloon sandbag science experiment.

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

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