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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.

Learn about the power of exponents. The objective of this science fair project is to explore and understand how exponents are used.

This science fair project explains the process of how the lungs expand and contract with the help of the diaphragm.

Throughout history, people have used song as a teaching and memory tool. This project explores whether song improves a person's ability to retain information.

This science fair project idea provides evidence that air is everywhere and takes up space.

Which music genres have the fastest tempos? The slowest? This experiment determines if there's a relationship between beats per minute in a song and its genre.

The purpose of this study is to determine if people can tell the difference between organic and conventional food from looking at, smelling and tasting it.

Science fair project idea examines validity of mood ring predictions. Analyze accuracy of results, consider the impact of temperature

Do lefties just write different or are their brains different? This science project has students explore what it means to be left handed.

Demonstrate how you can make your own compass using a magnetized needle. It also allows you to compare magnetic north and geographic north.

Discover which fabrics shrink the most in the wash and why.

What do ants eat? Kids find out by observing a colony of ants in this cool zoology science fair project for 4th grade.

This science fair project idea identifies trees using a dichotomous key.

This science fair project idea explores alcoholic fermentation at work by making your own soda.

In this experiment you observe and determine how well your cat uses his whiskers to navigate through a maze.

This science fair project idea explores whether color affects a person's emotional state.

In this microwave plant experiment, find out whether microwave radiation will affect radish seed germination. Will it help or hinder the plants' growth?

In this cool experiment, learn how to find specific gravity of minerals using liquids of different densities to see which substances and items sink and float.

Science fair project that determines whether mass and weight are the same or different.

This science fair project teaches about mold. Students will test different foods to see which grow mold the fastest.

Do you love to make Jell-O? Find out in this science fair project idea if it is possible to make Jell-O with just warm water.

This experiment explores whether reading text on a computer screen or type on paper leads to better retention of the information read.

This project demonstrates the correspondence between the volume of water displaced by a submerged object and the volume of the object displacing it.

This experiment tests which gender is better at catching how a magician performs his tricks.

Learn all about balance and motion as your child designs a corn maze!

This science fair project demonstrates the magic of arches by challenging students to stack telephone books on top of eggs without breaking them.

Young physicists will wrestle with a discrepant event: the Hammer Ruler Trick. They'll make some inferences about torque, balance, and center of gravity.

Science fair project that determines whether tapping a pomegranate with a spoon helps it release its seeds.

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