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.

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

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.

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

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.

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

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

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

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

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.

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!

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.

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

How does a kazoo, the strings of a guitar, or the speaker of a radio make sound? The purpose of this science fair project is to show how vibration makes sound.

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

This classic children's game demonstrates how sound travels through air vs. through a solid.

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

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.

In this activity, young learners will make a balance using a plastic hanger and weigh a variety of small objects using candy corn.

Ready for takeoff! Make science fun and teach about levers and fulcrums as your child sends buttons flying.

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

Your child might have noticed how bubbles quickly lose their colors and pop. Check out this creative way to make those bubbles last longer.