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

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.

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

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

Give your child an introduction to food preservation by making and canning your own yummy, homemade pasta sauce!

Set your young chemist up for an afternoon of science-fueled magic with a deceptively simple activity starring baking soda and vinegar!

Children combine an acid and an alkaline substance to simulate a volcano eruption in this fun experiment.

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

How does rust form? Kids will learn about the roles oxygen, water, and electrons play in rust chemistry in this cool science fair project idea.

Hone your child's skills of observation and take a look at forensic science for an interesting afternoon of exploration and detective work!

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

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 fun activity, your child will create their very own solar oven to bake s'mores!

Make your own marshmallows and mix up some very interesting third grade chemistry lessons while you're at it!

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

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

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

Here's a fun math and science activity: help your child explore four different kinds of measurement, using their hand and a few simple household tools.

Show your child how and why the microwave works, while demonstrating just how strangely foods can behave while inside the crazy cooker.

Inspire your child to put on her engineer hat for the day, as she builds her very own, double-decker bridge.

Making your own glass cleaner is easy, effective and inexpensive!

Wool can absorb 1/3 of its weight in water, while still keeping the body warm. She can test this theory by performing a scientific sock comparison!

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

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

Show your kids the power of baking powder by conducting a simple experiment. Make four batches of cornbread, all identical except for one thing: baking powder!

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.

Get your hands on a concoction that breaks the rules about what's a solid and what's a liquid.

This science fair project idea explores whether talking to a plant will help it grow.

On the next chilly, winter day, invite your fifth grader to make a hand warmer by experimenting with the loaded combination of a few natural ingredients.