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

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

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.

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

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

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

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

This project demonstrates the correspondence between the volume of water displaced by a submerged object and the volume of the object displacing it.

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!

An hour glass, also known as a sand clock, keeps time. In this activity, your child will make her own sand clock and measure the time it keeps.

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

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

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

This is a quick, easy science fair project that conveys the idea of density to upper elementary students.

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

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

Try the classic balloon-on-the-wall trick with your kid and watch static electricity in action.

This taste buds science experiment demonstrates how strongly our sense of smell controls what we taste.

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

This trick uses vertical and horizontal forces to help your child to push apart your hands apart, no matter how hard you try to keep them together!

Get your sense of humor ready for this fun science experiment that demonstrates the fundamental physics of air pressure.

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

This science fair project creates a visual model of whatâs happening to sound waves as a car approaches and then leaves.

Your kid will be captivated as she watches liquids change color before her very eyes during this fun science project that introduces some chemistry basics.

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.

For this science fair project, kids will learn how to make a lemon battery. They can conduct this classic experiment using readily available materials.

This science activity will help your student explore the changes that occur to transform an egg from raw to soft to hard-boiled.

These flying potato poppers make a cool sound, create a celebratory mood, and they can teach your child about the power of air pressure.

Here's a great activity that uses corks and toothpicks to create a fleet of floating boats. Which design makes for the most seaworthy vessel?

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