Explore concepts in current and coltage with these Van de Graaff generator experiments.

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

Learn how to make marbleized paper with simple everyday ingredients in this fun activity! Your child will learn about oil and water while doing this project.

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

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

What's the difference between centripetal and centrifugal force? Students find out by seeing both in action as they conduct this experiment.

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

Celebrate April Fools' Day with a science prank that is sure to amuse...and educate too!

In this project students determine which instruments composers use to create birdsongs and birdcalls in classical music.

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.

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

In this free science fair project, learn how to separate salt from water using heat. A great science project for elementary school kids.

Did you ever think you could make colors disappear right before your eyes? This science experiment is just like a magic trick: now you see it, now you don't!

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.

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.

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

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

This project determines what percentage of test subjects react adversely to the sound of fingernails on a chalkboard and explores their physiological responses.

Your 1st grade scientist will improve her observation skills as she's encouraged to eat healthy by comparing the dry and fresh fruit in this experiment.

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.

How fast does light travel in different mediums? Kids conduct a cool refraction experiment in materials like water and air for this science fair project.

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

Wondering how we know that air is there? Here's a quick and easy experiment that proves that air may be thin, but it's not too wimpy to block your shot!

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

Play this flashlight game with your child to teach him about objects that are transparent, translucent, and opaque.

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

Let your fourth grade chef mix up butter and sugar with scientific principles about different states of matter, and get delicious toffee, too.

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!

Believe it or not, images that are cast upon your eye's light-sensitive screen (called the retina) are upside down. Here's a fun, fast experiment to prove it!

Design a hearing protection device to protect their ears from loud noises. Examine the properties of current protective hearing devices, materials.