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

Based on the concept of water's "freezing point," this activity entails the lowering of water's freezing point to chill ice cream!

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

Determine which kind of rock (igneous, sedimentary, metamorphic) has the greatest reservoir capacity, which is the ability to hold the most oil and natural gas.

This science fair project idea creates a sedimentary rock and to investigate what takes place during the rock cycle.

The purpose of this science fair project is to demonstrate how yeast, a fungus, causes bread to rise.

Here is a cool and easy science project to determine the rate of chlorophyll breaks down and how it affects the color change of grass from green to yellow.

In this science fair project, apply the principles of leverage and force by building six simple machines designed to set weights in motion.

Take this "paper plate snack test" with your child for a hands-on lesson in making healthier choices to teach your child about what's in his food.

This science fair project teaches you about what makes persimmons so tart and how astringency can be removed by studying the effect of tannins on fruit.

Construct and experiment with a periscope using reflected light rays to gather an image.

How does salinity affect the point at which water freezes? Kids will find out by performing this cool melting ice experiment.

In this cool science experiment, learn about magnetism and poles, and test magnet strength to find out if two magnets are twice as strong as one.

Science fair project that examines how winter storms form and the relationship between temperature, moisture and snow.

Wool can absorb 1/3 of its weight in water, while still keeping the body warm. She can test this theory by performing a scientific sock comparison!

The objective of this science fair project idea is to determine if sound travels best through the air, water or a solid.

Check out this cool science fair project idea to explore the risk of mechanical deterioration of artifacts placed in a storage box due to mold outbreaks.

Can you plant the insect-attracting borage plant to increase the amount of beneficial insects in your garden? Find out in this experiment!

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.

Show your child how to construct a homemade thermometer. It's hands-on fun and a great way to learn about this important instrument!

This project explores ways to prevent static electrical shocks.

Get your hands on a concoction that breaks the rules about what's a solid and what's a liquid.

In this science fair project, students learn how pressure can make the minerals in a rock line up in the same direction and form bands and foliation.

Take a closer look at your furry friend (or the furry friend of a neighbor -- with permission) to discover if communication exists between cats and humans.

Demonstrate how static electricity can cause an object to move. It also examines just how an object affected by static electricity will move.

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

Chlorine and chloramine are added to our tap water to kill harmful microorganisms. What is the best way to filter these disinfectants in your drinking water?