When you see those sunscreen "protection levels," what does that really mean? Try this experiment to find out.

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.

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

Create a homemade pair of sunglasses with colored lenses to see just how light and color affect our sight! Use this fun project to practice science!

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

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

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

This fun marbled paper craft uses things you're likely to have around your house, and it teaches kids some simple chemistry too!

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

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

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 idea explores whether talking to a plant will help it grow.

Household items and a bit of imagination will create a CSI kit for your child to have investigative adventures with. Explore the world of forensic science!

Here's a fun math and science activity: help your child explore four different kinds of measurement, using their hand and a few simple household tools.

Here is a quick experiment you can conduct at the playground to introduce or reinforce the concept of Newton's First Law, The Law of Inertia.

By using static electricity generated from their body, a child can cause a small fluorescent lamp bulb to light up!

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

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.

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

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

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.