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How do people move pianos and heavy furniture into tall buildings? Show your kids some pulley potential with this simple household exercise!

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

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.

What's the quickest way to separate salt and pepper? Let static electricity do the work! Your child will be fascinated by this simple experiment.

Use reusable, recyclable materials--along with a dose of imagination--to build a castle with first grade geometrical forms.

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

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

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

Help your child experiment with the combination of acid and baking soda by making these homemade bath bombs!

Help your first grader explore the world of scientific measurement by "weighing" fruit with a "water scale"!

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

Play this flashlight game with your child to teach him about objects that are transparent, translucent, and opaque.

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

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

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

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

Bring the magic and mystery of the night sky to the light of day with this fun constellation art project!

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

Make meringues with your first grader and see how states of matter can transform before your very eyes. Here's how:

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

Explore solids and liquids with your young scientist by making gluep, a goopy substance that can behave like both a solid and a liquid!

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

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!

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.

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.

Here's a science experiment that gives your kids a chance to see how fire needs oxygen to burn, with a little math and writing practice thrown in.

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.

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

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.