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!

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.

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.

This science fair project idea investigates which objects float and sink in honey, water, and oil.

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.

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!

In this science fair project, kids start a chemical reaction that will make a balloon inflate itself!

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!

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

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.

Your third grader will delight in learning about sound waves as he observes the different sounds created by tapping on glasses with varying amounts of water.

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

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.

Has your kid noticed how much bigger the moon looks when it's low in the sky? Here's an activity you can do to show them that it's just an optical illusion.

Make your own helicopter using a paper clip and a sheet of paper. Hold the spinner up in the air, let it go, and watch it spin gracefully to the ground.

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

Most people assume that cold water freezes more quickly, but could that be false? Does hot water freeze faster than cold water? Let's find out!

Stir up some enthusiasm for experimentation with this candy-cracking science experiment!

This easy aerodynamics activity is a simple way to introduce kids to the scientific method.

Learn to solve a crime scene investigation using an important forensics tool: oblique lighting.

Teach your kids about entropy with this fun, easy exercise, and teach your money to dance while you're at it!