How do series and parallel circuits work, and which produces the brightest light in a light bulb? Construct both in this project and find out!

In this fun science fair project idea learn about universal solvents and solutes and find out the solubility of several common liquid substances.

A homemade lava lamp gives any room a retro flair. Find out how to make a homemade lava lamp, and learn some science too, with this educational activity.

Take a look at forensic science with your child. She'll learn how to take a shoe impression, just like the detectives do!

Help your child understand surface tension by showing them how they can create a "skin" on top of water.

Give your budding young observers a chance to discover simple machines at use in their own home.

Experiment with buoyancy to learn how a submarine rises and sinks in this classic science experiment.

What is elasticity? Students will investigate how this concept applies to bouncing ball physics by testing the bounces of balls made out of different materials.

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

This science fair project examines how tsunamis travel by simulating a tsunami moving around an island. You will generate a pretend tsunami in a swimming pool.

Little scientists will make inferences about hearing loss, pitch, and frequency in this great science fair idea that puts the human ear to the test.

What happens when colored beams of light mix? You might be surprised.

Using an empty tennis ball can and a swimming pool, you will determine if it's possible to have a conversation under water.

This 4th of July, explore fourth grade science and make some safe fireworks in your own backyard using soda pop!

On the next chilly, winter day, invite your fifth grader to make a hand warmer by experimenting with the loaded combination of a few natural ingredients.

This science fair project demonstrates the principles of reflection through simple experiments involving mirrors and light.

Popsicles aren't just for the summertime, this activity takes cold and turns it into a creative and tasty science experiment.

Deck the halls with last season's Christmas lights for a spectacular and electrifying science activity.

Chemistry isn't just incredible ... sometimes its edible! These crystal lollipops are a delicious introduction to chemistry concepts.

Take advantage of the fact that ink and water don't mix and introduce your kid to suminagashi, a Japanese form of art.

Turn the common pastime of constructing paper airplanes into a lesson on the physics of aerodynamics and flight with this fun science activity.

Try this chemistry experiment with your curious kid and get some "shocking" results!

This simple "how to make a water wheel" activity makes physics come alive for your child by demonstrating how different kinds of energy work.

Sink or swim? Calculate the density of various fruits and vegetables using water and a kitchen scale.

Get your fifth grader involved in some earth science by helping her plan and create her very own rock collection.

In this fun activity, your child will create their very own solar oven to bake s'mores!