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.

Teach your child how butter is created by shaking up cream the old-fashioned way.

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

This balloon-powered car project is a great way for your kid to learn about energy and how it can be used efficiently.

Let your young scientist explore a brave new world of sound with an experiment that just requires a handful of common household items.

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

Here's a great activity that uses corks and toothpicks to create a fleet of floating boats. Which design makes for the most seaworthy vessel?

Looking for an enjoyable evening activity you can do with your kids? Study the stars: help them learn about constellations by making one of their own.

How do mirrors work? What is light, and how does it travel? Explore light and reflection with your preschooler with these simple hands-on experiments.

Help your child experiment with the combination of acid and baking soda by making these homemade bath bombs!

Make your own marshmallows and mix up some very interesting third grade chemistry lessons while you're at it!

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

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

Help your second grade scientist explore the timely topic of wind speed using a version of the classic Beaufort Scale.

This science activity will help your student explore the changes that occur to transform an egg from raw to soft to hard-boiled.

The next time you've got a restless second grade earth scientist on your hands, use this experiment to demonstrate crystals and make a tasty treat, too!

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