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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.

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

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

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

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

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!

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

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

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

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!

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

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!

This science fair project idea produces varying pitches of sound.

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

This science fair project idea explores whether talking to a plant will help it grow.

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

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

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.

This science fair project examines how tsunamis travel by simulating a tsunami moving around an island. You will generate a pretend tsunami in a swimming pool.

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

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!