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

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

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

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

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!

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

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!

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!

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.

Believe it or not, the common spud has enough electrochemical energy to power a small digital clock.

Along with being an interesting science activity, dehydrated strawberries are also tasty â and healthy!

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

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

Encourage your child to think outside the bathtub by making her very own handmade soaps! Perfect as a present, a decoration, or just to pamper herself.

Making your own glass cleaner is easy, effective and inexpensive!

Popsicles aren't just for the summertime, this activity takes cold and turns it into a creative and tasty science experiment.

Believe it or not, images that are cast upon your eye's light-sensitive screen (called the retina) are upside down. Here's a fun, fast experiment to prove it!

How to test for acids and bases? In this activity you and your child can make your own indicator from red cabbage!

In this science fair project, kids start a chemical reaction that will make a balloon inflate itself!

How sensitive is your skin? Here's a fourth grade science experiment that lets your child figure it out.

Make water and clay play a little more scientific with this hands-on experiment that teaches displacement and shows how an object's shape affects its buoyancy.