Air invisible; it doesn't make sounds; you can't pick it up and throw it. So how do we know it exists? Help your second grade scientist figure it out.

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

This easy aerodynamics activity is a simple way to introduce kids to the scientific method.

Teach your little scientist about the amazing powers of gravity by comparing the falling speeds of two yummy fruits

Magic, science, or household cleanser? Let your second grader decide with this practical, nontoxic chemistry experiment with acids and bases.

Show your child that the simplest ingredients (salt and water) can be used to illustrate the concept of density!

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 science experiment that's refreshingly tasty too! Turn regular water into a tasty treat perfect for consuming on a hot day.

In this science fair project, young children discover what happens when two fluids that have different densities get together.

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

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.

These flying potato poppers make a cool sound, create a celebratory mood, and they can teach your child about the power of air pressure.

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

What's the quickest way to separate salt and pepper? Let static electricity do the work! Your child will be fascinated by this simple experiment.

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

Discover whether different amounts of water added into a wine glass will produce a different pitch when their fingers are rubbed along the rim.

Explore the chemistry of latex polymers with this outrageous, hilarious science activity.

Set your young chemist up for an afternoon of science-fueled magic with a deceptively simple activity starring baking soda and vinegar!

The pinwheel is a simple toy that has been around for years and uses the wonders of the wind to spin it and delight kids of all ages!

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!

Here's a fun activity to help build thinking skills in young first grade scientists, and to encourage them to have a blast exploring the mass and volume.

Learn to solve a crime scene investigation using an important forensics tool: oblique lighting.

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

Introduce your child to science with something they see everyday--their shadow!

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

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.

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

Inspire your child to put on her engineer hat for the day, as she builds her very own, double-decker bridge.

Take to the air with science by experimenting with helicopter seeds right in your own backyard!