Teach your child some scientific basics as you explore the densities of various liquids in this fun experiment.

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 do we know that air exists when we can't see it, taste it, or touch it? Here's a classic experiment that will teach your kid some basics of aerodynamics!

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

Help your child get a grasp on what it was like to build gigantic ancient structures with this easy engineering activity about science and physics.

Help your first grader explore the world of scientific measurement by "weighing" fruit with a "water scale"!

Here is a nifty science experiment using Epsom salts to make "frost" appear on a piece of glass.

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

Here's a fun at-home activity that will help your child strengthen math skills using high and low temperature data, and become a master temperature tracker!

Show your child how to concoct a simple duo of household ingredients that changes color as acids and bases are added!

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

Every time a sound is produced it emits a sound wave. This experiment demonstrates how sound travels, using nothing more than a spoon and a string!

In this sound experiment children listen for differences as they tap on a bag of air, a bag of water, and a wooden block held up to their ears.

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.

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

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

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.

Blanket forts are a kid classic! Let your child create a âfortress of solitudeâ on his own for reading, telling scary stories or for cozy cocooning.

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

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

In this science experiment, your child will test the strength of hollow structures in order to understand how strong bird bones really are.

Conduct a simple science experiment to see if flowers from your garden pass the acid-base indicator test with this exciting chemistry activity.

Learn with makes water molecules work with this fun and easy science activity!

An home science experiment for older students that teaches about the science behind heat.

All you need are pencils, paper and some scissors to get started on this easy and fun game to review astronomy information, or other types of study concepts.

Teach your first grade scientist the difference between liquids and solids using maple syrup.

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

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

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

The next time you've got a restless second grade earth scientist on your hands, use this experiment to demonstrate crystals and make a tasty treat, too!