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!

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

Invite your fifth grader to test the different rates of liquid absorption in synthetic and cotton materials, such as nylon and cotton.

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.

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.

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

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

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

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

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

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

In this physics project, learn about the relationship between light intensity and distance using a laser pointer, flashlight, and graph paper!

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

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

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

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

By using static electricity generated from their body, a child can cause a small fluorescent lamp bulb to light up!

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

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

Show your fifth grade scientist how to create a siphon using two buckets, plastic tubing, and water. Watch her astonishment as the water travels uphill!

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!

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!

Your child will do a fun science experiment using soap and pepper flakes to help understand the concepts of water molecules and the surface tension of water.

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.

Think you can blow up a balloon without using your mouth? This isn't just a cool trick, it's also a great way to introduce chemistry and biology concepts.

Make your own helicopter using a paper clip and a sheet of paper. Hold the spinner up in the air, let it go, and watch it spin gracefully to the ground.

Have your child build his own mini waterfall, and help him develop his planning, problem solving, and architectural skills.

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

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

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