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

Blanket forts are a kid classic! Let your child create a âfortress of solitudeâ on his own for reading, telling scary stories or for cozy cocooning.

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.

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

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.

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

Explore the scientific concept of capacity by seeing how many pennies you boat can hold before it sinks!

Teach your first grade scientist the difference between liquids and solids using maple syrup.

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

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

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

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

In this science fair project, young children discover what happens when two fluids that have different densities get together.

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

Introduce your child to the amazing, almost magical phenomenon of static electricity!

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.

Think you can blow up a balloon without using your mouth? This isn't just a cool trick, it's also a great way to introduce chemistry and biology concepts.

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

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

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.

Teach your child about using pumps to move water in this simple and educational preschool science activity!

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!

Is it solid or liquid? Create oobleck and witness the amazingly weird oscillation between the two!

This fun marbled paper craft uses things you're likely to have around your house, and it teaches kids some simple chemistry too!

Before your treat your child (and yourself!) to a yummy snack, help her learn a little about Sir Isaac Newton's First Law of Motion!

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.

What's a liquid? What's a solid? What better way to experiment than by turning a childhood favorite, ice cream, into a homemade science lesson!

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

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