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.

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

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

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.

Help your kindergarten scientist understand the concept of surface tension with this simple science experiment.

Help your kindergarten scientist discover relative size, density, and buoyancy with this fun, pumpkin science project!

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

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

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

Teach your preschooler some physics that she can relate to with this fun and simple activity!

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

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

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

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.

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.

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

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

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.

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

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.

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!

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

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

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

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

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

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