Give your budding young observers a chance to discover simple machines at use in their own home.

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

Help your kindergarten or first grade child use his creativity to make a beautiful magnetic patterned structure while discovering the wonders of magnets.

In this air pressure science experiment with a balloon and a jar, children will use heat to create a partial vacuum and suck a balloon into a jar.

Create a homemade pair of sunglasses with colored lenses to see just how light and color affect our sight! Use this fun project to practice science!

Here's a science activity that lets a first grader use an empty dish detergent bottle to create his own fountain as he explores air pressure.

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!

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

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!

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

Here's a great activity that uses corks and toothpicks to create a fleet of floating boats. Which design makes for the most seaworthy vessel?

In this activity, young learners will make a balance using a plastic hanger and weigh a variety of small objects using candy corn.

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

Help your second grade scientist explore the timely topic of wind speed using a version of the classic Beaufort Scale.

This experiment uses a yeast solution, liquid detergent, and hydrogen peroxide to produce an exciting reaction like no other!

Here's a fun math and science activity: help your child explore four different kinds of measurement, using their hand and a few simple household tools.

Teach your child about using pumps to move water in this simple and educational preschool science activity!

For this science fair project, kids will learn how to make a lemon battery. They can conduct this classic experiment using readily available materials.

This balloon-powered car project is a great way for your kid to learn about energy and how it can be used efficiently.

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

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

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

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!

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

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

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

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

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

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!

Here's a classic celery science experiment that uses celery and food coloring to demonstrate how plants absorb water.