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?

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.

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

This project demonstrates the correspondence between the volume of water displaced by a submerged object and the volume of the object displacing it.

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!

This science fair project idea experiments with spinning color wheels and optical illusions.

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.

Making your own glass cleaner is easy, effective and inexpensive!

Inspire your child to put on her engineer hat for the day, as she builds her very own, double-decker bridge.

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!

What causes sound? Here's a simple science experiment that adds a visual element to the science of sound to help kids better understand this tricky concept.

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

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

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.

Let your fourth grade chef mix up butter and sugar with scientific principles about different states of matter, and get delicious toffee, too.

Want to make Halloween truly eerie? Science to the rescue! These ghouly hands come alive with a little help from simple chemistry.

What happens when colored beams of light mix? You might be surprised.

Learn with makes water molecules work with this fun and easy science activity!

Deck the halls with last season's Christmas lights for a spectacular and electrifying science activity.

If your science savy third grader is up for a challenge, let her bend light with a casserole dish!

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

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!

This simple "how to make a water wheel" activity makes physics come alive for your child by demonstrating how different kinds of energy work.

Discover whether different amounts of water added into a wine glass will produce a different pitch when their fingers are rubbed along the rim.

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

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

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