Most people assume that cold water freezes more quickly, but could that be false? Does hot water freeze faster than cold water? Let's find out!

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.

Engineers in training can get started with this simple wheel-and-axle construction activity.

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

This science fair project idea investigates which objects float and sink in honey, water, and oil.

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.

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

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

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

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.

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

Take this "paper plate snack test" with your child for a hands-on lesson in making healthier choices to teach your child about what's in his food.

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

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!

What is elasticity? Students will investigate how this concept applies to bouncing ball physics by testing the bounces of balls made out of different materials.

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.

How does rust form? Kids will learn about the roles oxygen, water, and electrons play in rust chemistry in this cool science fair project idea.