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

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!

Magnets may hold up papers on the fridge, but is it the paper that attracts them? Find out more with this kindergarten science investigation.

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

In this air pressure science experiment with a balloon and a jar, children will use heat to create a partial vacuum and suck a balloon into a jar.

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.

What's cooler than an explosion? Not much! This simple science experiment lets kids build their own pop rocket. So put on your safety goggles and let her rip.

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.

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

First grade science often covers solids, liquids, and gases. This silly science explores serious facts about the difference between all three.

Your child might have noticed how bubbles quickly lose their colors and pop. Check out this creative way to make those bubbles last longer.

This science exploration lets your first grader see how eggs can provide a perfect environment for a living, growing creature.

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

Help your second grade scientist explore the timely topic of wind speed using a version of the classic Beaufort Scale.

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.

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

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.

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

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!