Use reusable, recyclable materials--along with a dose of imagination--to build a castle with first grade geometrical forms.

Help your kindergarten scientist understand the concept of surface tension with this simple science experiment.

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!

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

Build an electroscope, a simple device that measures static electricity, or the freely flowing electrical charges of the atmosphere!

This science fair project idea produces sounds by creating vibrations using different objects.

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!

Before your treat your child (and yourself!) to a yummy snack, help her learn a little about Sir Isaac Newton's First Law of Motion!

Based on the concept of water's "freezing point," this activity entails the lowering of water's freezing point to chill ice cream!

Help your kindergarten scientist discover relative size, density, and buoyancy with this fun, pumpkin science project!

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

Experiment with magnetism in this 8th grade science activity in which your child will create a working compass using a steel needle, magnet, and jar.

Satisfy your sweet tooth with this easy summer activity! Make homemade ice cream and let your child practice his science skills.

Wool can absorb 1/3 of its weight in water, while still keeping the body warm. She can test this theory by performing a scientific sock comparison!

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

This experiment that explores water and air pressure will amaze your fifth grader as it appears that a single card is holding water in an upside-down glass.

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

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.

Observe how your brain works while it is focused on one thing, and how it works while you are distracted by another thing.

This Mother's Day, mix in some fifth grade science learning to create this fabulous fudge!

This science fair project idea demonstrates sonar mapping of the ocean floor.

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

This activity will help your child review science concepts, learn new ones, and become familiar with examples of various concepts in science. Plus, it's fun!

What is the Doppler Effect, or the Doppler Shift? The purpose of this science fair project is to determine how distance impacts the Doppler Effect.

Does your child know that salt water conducts electricity? This simple experiment will show how salt water acts as a conductor to electrical currents.

Amaze your kids by separating a salt and pepper mixture using an "electric spoon" charged with wool.

Hone your child's skills of observation and take a look at forensic science for an interesting afternoon of exploration and detective work!

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

Using simple materials found around your home, you can reinforce the static electricity concept by helping your child build a simple device with zapping power!

The purpose of this science fair project is to build a basic radio.