In this science fair projects, students will grow out the bacteria that collect on air conditioner filters.

This science fair project idea investigates how the height at which a pendulum is released affects the length of time it continues.

This science fair project idea determines which method of hand cleansing is the most effective.

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

In this experiment you will replicate the mummification process by making a hot dog mummy.

In this project students experiment with making music using only glasses of water.

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

Discover whether cold or hot water from the faucet will boil faster on the stove.

This Valentine's Day, pair up science and crafting with this simple crystal formation project that's sure to bring a little love into your home.

Learn about sound physics and do a survey experiment to explore the difference between sound and noise in this science project.

These science fair experiments demonstrate the chemistry of rust and the oxidation process.

Science fair project that examines the different types of precipitation, evaluates the density of snow and calculates the ratio of snow-to-liquid.

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

This science fair project investigates whether tapping the top or the side of the can will stop a vigorously-shaken can of soda from exploding.

How does frost form? How fast does it form? Do this simple science project using a plastic glass, rock salt and some water to learn about deposition.

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

Help your kindergarten science maven explore the water cycle without getting everything wet.

This science project challenges students to study deer behavior in their natural habitat- the feeding patterns, social behaviors, male to female ratio, etc.

Clouds are formed when warm and cold air meet. Here's a way for kids to see it all up close!

This science experiment examines the role of fat in food, especially in making bread rise and whipping cream.

Help your child get to know the least-appreciated of the five senses, the sense of smell, with a smelling station.

How does a flashlight work? Kids will make a complete circuit and explore how voltage contributes to brightness with this science fair project idea.

In this outdoor science activity you'll find tips on how to create a nature journal by choosing a native plant or animal and tracking that species.

While your cells are much too small to see without a microscope, you can create the look of a cell in your very own home with just an egg and vinegar!

The goal of this science fair experiment is to demonstrate the effects of air pressure on objects and analyze applications of air pressure principles.

Check out this cool science fair project idea that models the behavior of the cold desert plants: xerophytes and halophytes.

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.

Check out this cool science project idea to learn about rocks and explore the cycles of formation, breakdown, and reformation of rocks in the Earth's crust.