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

How does the size of a vibrating surface affect the pitch of a drum? Learn about drum size and pitch with this easy science fair project idea.

Here's a fun activity that will introduce your fourth grader to the concept of frictionless motion by constructing a hovercraft.

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

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

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

Introduce your child to the amazing, almost magical phenomenon of static electricity!

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?

Encourage your child to think outside the bathtub by making her very own handmade soaps! Perfect as a present, a decoration, or just to pamper herself.

In this 3rd grade science activity, you'll experiment with the little-known fourth state of matter: polymers! Mix borax with white glue and watch what happens.

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

Get your sense of humor ready for this fun science experiment that demonstrates the fundamental physics of air pressure.

This classic children's game-connecting two cups with a string-demonstrates sound's ability to travel through air vs through a solid.

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

I scream, you scream, we all scream for homemade spearmint ice cream!

Air invisible; it doesn't make sounds; you can't pick it up and throw it. So how do we know it exists? Help your second grade scientist figure it out.

Your third grader will delight in learning about sound waves as he observes the different sounds created by tapping on glasses with varying amounts of water.

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

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

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

Magic, science, or household cleanser? Let your second grader decide with this practical, nontoxic chemistry experiment with acids and bases.

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

In this fun activity, your child will create their very own solar oven to bake s'mores!

Here's a classic celery science experiment that uses celery and food coloring to demonstrate how plants absorb water.

Help your child understand the scientific concept of evaporation with this fun outdoor science activity.

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

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!