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

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.

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

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

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 world of motion and physics with a bit of marble play inspired by Sir Isaac Newton!

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.

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

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.

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

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.

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.

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

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

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

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

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

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

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