Has your kid noticed how much bigger the moon looks when it's low in the sky? Here's an activity you can do to show them that it's just an optical illusion.

Show your child how and why the microwave works, while demonstrating just how strangely foods can behave while inside the crazy cooker.

Science fair project that examines what causes thunder and why a thunderclap sounds so loud. How is lightening related to the creation of sound waves?

Looking for an enjoyable evening activity you can do with your kids? Study the stars: help them learn about constellations by making one of their own.

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

Stir up some enthusiasm for experimentation with this candy-cracking science experiment!

Help your curious third grader construct a dazzling spinning wheel that will teach him about the science behind colors while providing some silly entertainment!

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.

Most people assume that cold water freezes more quickly, but could that be false? Does hot water freeze faster than cold water? Let's find out!

Here's a fun and simple activity to introduce your child to surface tension, and pull an awesome stunt in the process!

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

This science fair project idea experiments with spinning color wheels and optical illusions.

Get your hands on a concoction that breaks the rules about what's a solid and what's a liquid.

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.

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

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.

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

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.

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

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.

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.

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!

Kids will conduct a cool limewater carbon dioxide test that can be performed with common household materials to learn about the chemistry of this common gas.