Could there be toxic chemicals lurking in the cupboards and closets of your home?

Learn how to convert gravitational potential energy into mechanical energy in this fun science fair project idea.

Examine whether distilled water, spring water, or regular tap water yield faster plant growth.

This science project is to discover which Black Walnut tree tissue contains the most concentrated amount of Juglone, a substance that works like an herbicide.

The Galileo inclined plane physics experiment was one of the first ways scientists calculated acceleration due to gravity. Do it yourself in this project!

This easy and inexpensive paper towel science project introduces kids to important physical concepts like cohesion, adhesion, and capillarity.

Here's a simple science activity that will help your child better understand how wells bring us water.

The goal of this evaporation experiment is to learn about how different external conditions affect drying time.

Here's an easy experiment that lets your first grader practice the scientific method, while watching a caterpillar eat.

How can you tell the difference between a spider and an insect? Your child will find out as he makes a tray of yummy creepy crawly snacks.

Is it magic? No...it's the amazing, gravity-defying capillary action experiment! Kids will love this dramatic and enlightening science fair project.

Check out this fun science fair project idea to learn about seismic waves and how fast they travel during an earthquake.

This cool electricity project teaches kids how connecting batteries in series vs. parallel circuits can contribute to different levels of voltage and amperage.

Science fair project that teaches you key definitions of molecular science, and how different isotopes of an element affect the relative atomic mass.

Science fair project that creates a pamphlet to help others learn about Epilepsy, its causes, symptoms and treatments.

Children will learn why and how to compost as they help with the process of filling their compost, turning it, and observing the changes that occur.

Boost your preschooler's attention to detail by getting her to explore the differences between two different pumpkins: large and small.

Get down to the rubber with this science project that tests the effectiveness of different types of erasers.

Show your child how and why the microwave works, while demonstrating just how strangely foods can behave while inside the crazy cooker.

With this activity, not only will you be experimenting with giving accurate information, you'll also teach your child how to write good scientific procedures.

Here's an interesting activity that will enable your child to make his own magnifier out of a drop of water

Science fair project in which you will learn more about the natural world by preserving and identifying different animal tracks.

Do this activity to help your kids see how seeds contain "baby" versions of big plant stems, roots, and leaves.

Bring a little science to your third grader's Christmas as you test out his sense of smell by exposing him to common Christmas scents found in your kitchen.

Discover if temperature settings in a fridge make a drastic difference in terms of bacterial growth.

This project explores whether nails, toothpicks, straws, or pen nibs are best for applying ink to paper.

This science fair project idea demonstrates that light travels in straight lines and experiments with reflecting light.

Air resistance is a crucial factor when designing a parachute. In this science fair project, students find what type of material works best as a parachute.

This science fair project idea teaches that time always passes at the same rate and nothing we do in our daily life âreallyâ affects how fast it moves.

This experiment investigates whether paper color influences people's ability to remember the information that they read.