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

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

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.

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.

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

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

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.

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

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

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

This easy Halloween-themed science experiment for first-graders is perfect for chilly October afternoons or great as a Halloween party activity.

Here's a science activity that lets a first grader use an empty dish detergent bottle to create his own fountain as he explores 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.

Did you ever think you could make colors disappear right before your eyes? This science experiment is just like a magic trick: now you see it, now you don't!

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

Here's a fun science experiment that's refreshingly tasty too! Turn regular water into a tasty treat perfect for consuming on a hot day.

Here's a fun activity to help build thinking skills in young first grade scientists, and to encourage them to have a blast exploring the mass and volume.

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!

Chemistry is a blast with this backyard bomb made from a sandwich bag. All you need are ingredients from the pantry to create a satisfying, and safe, explosion.

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.

It's easier than you think to make homemade play dough -- just a few pantry staples makes a natural version of the toy that kids have loved for generations.

Introduce your child to science with something they see everyday--their shadow!

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

Delight your budding scientist with this cool physics magic trick and teach her some basic physics concepts while you're at it!

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

In this Halloween-themed activity, young learners will find out what happens when they mix two household items together to create a surprising chemical reaction.