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

What's a liquid? What's a solid? What better way to experiment than by turning a childhood favorite, ice cream, into a homemade science lesson!

Explore solids and liquids with your young scientist by making gluep, a goopy substance that can behave like both a solid and a liquid!

Ready for takeoff! Make science fun and teach about levers and fulcrums as your child sends buttons flying.

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

Believe it or not, images that are cast upon your eye's light-sensitive screen (called the retina) are upside down. Here's a fun, fast experiment to prove it!

Amaze your kids by separating a salt and pepper mixture using an "electric spoon" charged with wool.

Has your child ever asked you how a submarine works? Here's a simple bathtub project that will make for a hands-on answer.

Explore the scientific concept of capacity by seeing how many pennies you boat can hold before it sinks!

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

Make meringues with your first grader and see how states of matter can transform before your very eyes. Here's how:

Give your child an introduction to food preservation by making and canning your own yummy, homemade pasta sauce!

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

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.

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

This science fair project idea produces varying pitches of sound.

In this sound experiment children listen for differences as they tap on a bag of air, a bag of water, and a wooden block held up to their ears.

How sensitive is your skin? Here's a fourth grade science experiment that lets your child figure it out.

Put a twist on traditional oil painting with this fun science activity that you and your first grader can do together.

How does a kazoo, the strings of a guitar, or the speaker of a radio make sound? The purpose of this science fair project is to show how vibration makes sound.

Here's a science experiment that gives your kids a chance to see how fire needs oxygen to burn, with a little math and writing practice thrown in.

Popsicles aren't just for the summertime, this activity takes cold and turns it into a creative and tasty science experiment.

What is it about a Slinky that causes it to walk down the steps? This simple experiment is a perfect illustration of both gravity and momentum.

Would your child like to learn about a hidden world? All she needs to do is open her box of markers!

How do people move pianos and heavy furniture into tall buildings? Show your kids some pulley potential with this simple household exercise!

Celebrate April Fools' Day with a science prank that is sure to amuse...and educate too!

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

Put your second grade scientist to work this Fourth of July with our colorful "liquid fireworks" project!

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 classic children's game demonstrates how sound travels through air vs. through a solid.