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!

Help your child understand the scientific concept of evaporation with this fun outdoor science activity.

Try this experiment to give your curious kid a more "solid" understanding of how temperature affects the states of matter.

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

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!

Take this "paper plate snack test" with your child for a hands-on lesson in making healthier choices to teach your child about what's in his food.

Engineers in training can get started with this simple wheel-and-axle construction activity.

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

Take to the air with science by experimenting with helicopter seeds right in your own backyard!

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!

Try the classic balloon-on-the-wall trick with your kid and watch static electricity in action.

In this fun activity, your child will create their very own solar oven to bake s'mores!

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.

In this physics project, learn about the relationship between light intensity and distance using a laser pointer, flashlight, and graph paper!

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.

Make a DIY golf putter and design your own golf putting course in this 2nd-3rd grade arts and crafts/game activity.

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.

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

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

In this activity, young learners will make a balance using a plastic hanger and weigh a variety of small objects using candy corn.

Help your child explore chromatography, which is the process of separating colors or pigments, and create a neat art project in the process!

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