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

How do we know that air exists when we can't see it, taste it, or touch it? Here's a classic experiment that will teach your kid some basics of aerodynamics!

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.

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

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

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.

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.

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

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

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

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

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.

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!

This is a fun way to introduce kids to the concept of volume, and give them a quick hands-on activity to boot.

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.

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

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

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

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.

Teach your little scientist about the amazing powers of gravity by comparing the falling speeds of two yummy fruits

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!

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.

Water can go from solid to liquid to gas...but how does popcorn go from kernel to snack? Invite your first grade scientist to find out.

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

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

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

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

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

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.

This activity is a fun way to "go fishing" with your preschooler, while learning about the concepts of freezing and melting.