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.

This science experiment tests why guacamole goes brown and if leaving the pit in will stop guacamole from turning brown.

The objective this science fair project is to determine whether a bigger bag will allow a homemade hot air balloon to fly higher than smaller bag.

Have you ever wondered how many numbers most people can memorize? Test your friends to find out!

What are the effects of fertilizer on plant growth? What's the best fertilizer type (solid, liquid or powder)? Kids find out in this science fair project idea.

This science fair project idea determines the probability of a coin landing heads or tails.

Little scientists will make inferences about hearing loss, pitch, and frequency in this great science fair idea that puts the human ear to the test.

Do you think heat can affect a plant's growth rate?

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

Learn about the role of Earth's rotation on the Coriolis Effect and hurricanes in this science project. Model the Coriolis Effect on a hurricane's direction.

This science project teaches young students about germs, bacteria, and the importance of washing their hands. Students will test what is the best way to wash.

Find out whether packaged seeds actually do expire in this new science fair project idea.

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?

Using a toy race car kids create a visual model of the Doppler Effect.

This science fair project idea explores whether the process used to dry the beans we eat for food renders them unviable.

This science fair project idea produces varying pitches of sound.

This science fair idea is a great way for kids to explore static electricity. Kids will give a comb a static charge and watch as it separates pepper from salt.

Observe corn seed germination to learn about dicots and monocots and how plants grow from seeds to seedlings to full-grown plants!

This project examines whether playing music during class helps students learn or if it distracts students from learning.

This science fair project idea explores whether people have an innate feel for the passing of time from a few seconds to 20 minutes.

This project explores whether plants can live and grow when "watered" with juice, soda, or milk.

Kids will create their own version of Richard Feynman's rubber band heat engine to learn about thermodynamics with this cool science fair project idea.

How good are humans at sound localization? Kids can try this cool science fair project idea to see how good their friends are at judging sound direction.

This science fair project investigates why the number of visible stars changes from place to place.

Design a survival kit. Brainstorm various survival scenarios. Address basic human requirements and natural resources. Describe each tool as well uses.

Discover whether the â5-second ruleâ is effective at determining whether food is still safe to eat after being dropped on the ground.

Before you get ready for a delicious scramble or omelet, add a bit of science to your morning routine!

Kids will learn about insulation, heat conduction, and the economic benefits of energy efficient windows in this cool science fair project.

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

In this classic Ivory soap experiment, kids learn what happens to different types of soap in the microwave, and why!