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

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

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

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.

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!

Air invisible; it doesn't make sounds; you can't pick it up and throw it. So how do we know it exists? Help your second grade scientist figure it out.

Magic, science, or household cleanser? Let your second grader decide with this practical, nontoxic chemistry experiment with acids and bases.

Your second grader will love this simple soda bottle race car activity. Make a ramp and customize your car for an entertaining way to learn scientific concepts.

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

Introduce your second grader to the crazy world of static electricity with just a balloon and a sheet of paper.

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

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

Want to make Halloween truly eerie? Science to the rescue! These ghouly hands come alive with a little help from simple chemistry.

This project demonstrates the correspondence between the volume of water displaced by a submerged object and the volume of the object displacing it.

In this sound experiment children listen for differences as they tap on a bag of air, a bag of water, and a wooden block held up to their ears.

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

This balloon-powered car project is a great way for your kid to learn about energy and how it can be used efficiently.

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.

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 the size of a vibrating surface affect the pitch of a drum? Learn about drum size and pitch with this easy science fair project idea.

Help your kid feel like a superhero with this safe and fun science experiment that creates an electrical charge that's like a mini lightning bolt!

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 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.

Here's a classic celery science experiment that uses celery and food coloring to demonstrate how plants absorb water.

Satisfy your sweet tooth with this easy summer activity! Make homemade ice cream and let your child practice his science skills.

Your kid can learn about the process of making frozen yogurt and enjoy a homemade, flavorful dessert. Experiment with this fun, chilly food!

Your kid will be captivated as she watches liquids change color before her very eyes during this fun science project that introduces some chemistry basics.

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

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

This science activity will help your student explore the changes that occur to transform an egg from raw to soft to hard-boiled.