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

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.

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!

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

Show your child that the simplest ingredients (salt and water) can be used to illustrate the concept of density!

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.

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

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

Chemistry isn't just incredible ... sometimes its edible! These crystal lollipops are a delicious introduction to chemistry concepts.

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

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 is a quick, easy science fair project that conveys the idea of density to upper elementary students.

A homemade lava lamp gives any room a retro flair. Find out how to make a homemade lava lamp, and learn some science too, with this educational activity.

Popsicles aren't just for the summertime, this activity takes cold and turns it into a creative and tasty science experiment.

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.

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.

In this activity, young learners will make a balance using a plastic hanger and weigh a variety of small objects using candy corn.

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

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

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

This 4th of July, explore fourth grade science and make some safe fireworks in your own backyard using soda pop!

In this activity, you'll not only make your own bouncy balls at home, but your child will also learn how polymers are made.