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

Teach your kids about entropy with this fun, easy exercise, and teach your money to dance while you're at it!

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.

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

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

How powerful is the reaction between baking soda and vinegar? Find out here!

Help your fifth grader execute this experiment involving a lit candle (submerged in water!) to show him the wonders of heat energy transference.

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

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

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

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

This trick uses vertical and horizontal forces to help your child to push apart your hands apart, no matter how hard you try to keep them together!

Using an empty tennis ball can and a swimming pool, you will determine if it's possible to have a conversation under water.

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

Explore scientific concepts with this experiment that introduces kids to the scientific method!

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.

Help your curious third grader construct a dazzling spinning wheel that will teach him about the science behind colors while providing some silly entertainment!

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

Hone your child's skills of observation and take a look at forensic science for an interesting afternoon of exploration and detective work!

Let your young scientist explore a brave new world of sound with an experiment that just requires a handful of common household items.

Has your kid noticed how much bigger the moon looks when it's low in the sky? Here's an activity you can do to show them that it's just an optical illusion.

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.

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.

Observe how your brain works while it is focused on one thing, and how it works while you are distracted by another thing.

Take to the air with science by experimenting with helicopter seeds right in your own backyard!

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.

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

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

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