This homemade barometer allows your little scientist to contemplate and compare different air and weather conditions.

Introduce your child to the world of motion and physics with a bit of marble play inspired by Sir Isaac Newton!

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

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

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.

Get your hands on a concoction that breaks the rules about what's a solid and what's a liquid.

Try the classic balloon-on-the-wall trick with your kid and watch static electricity in action.

Your child will learn science and make a fun new malleable toy with this balloon sandbag science experiment.

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?

Try this chemistry experiment with your curious kid and get some "shocking" results!

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

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

This science fair project creates a visual model of whatâs happening to sound waves as a car approaches and then leaves.

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

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.

Every time a sound is produced it emits a sound wave. This experiment demonstrates how sound travels, using nothing more than a spoon and a string!

Help your child understand surface tension by showing them how they can create a "skin" on top of water.

Help your child get a grasp on what it was like to build gigantic ancient structures with this easy engineering activity about science and physics.

Experiment with buoyancy to learn how a submarine rises and sinks in this classic science experiment.

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

Using simple materials found around your home, you can reinforce the static electricity concept by helping your child build a simple device with zapping power!

Make water and clay play a little more scientific with this hands-on experiment that teaches displacement and shows how an object's shape affects its buoyancy.

Take advantage of the fact that ink and water don't mix and introduce your kid to suminagashi, a Japanese form of art.

This experiment that explores water and air pressure will amaze your fifth grader as it appears that a single card is holding water in an upside-down glass.

These flying potato poppers make a cool sound, create a celebratory mood, and they can teach your child about the power of air pressure.

Science isn't ho hum anymore when it involves building catapults to teach your fifth grader about projectile motion.

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

Invite your fifth grader to test the different rates of liquid absorption in synthetic and cotton materials, such as nylon and cotton.

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

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.