The purpose of this science fair project is to study the properties of sugar and examine individual preferences for sugar and other sweeteners.

The objective of this science fair project is to analyze the effects of salinity and temperature on water.

Science fair project which determines whether the size or the thickness of a piece of paper has an effect on how many times it can be folded in half.

In this fun science experiment, kids will determine the best method for ripening avocados and discover the cool chemical reaction that makes this possible.

This is a fantastic and easy science experiment where kids will learn about elasticity by testing how high bouncy balls of different materials can bounce.

This science fair project compares the allelopathic affects of juglone, a chemical agent produced by the Black Walnut tree, on two plants.

It's the day before the test, and you still have a ton to memorize! Sound familiar? Test memorizing techniques to help yourself out next time.

The objective of this science fair project is to set up a compost bin to convert food scraps and organic waste.

Discover which method for odor removal words the best for stifling refrigerator odors.

In this project, build an insect model that shows how the head, thorax, and abdomen fit together! Learn insect anatomy by constructing a paper mache critter.

Plants help keep a house cool! This article includes step-by-step instructions for completing this fun and interesting science experiment.

Determine whether people can actually taste the difference between âhealthyâ cookies and the traditional version.

This free science fair project explores the "dirty" relationship between the presence of organic material in soil and water absorbency.

In this experiment, students will discover how heat and pressure turn clay into slate, phyllite, and finally schist.

Kids build a desert food chain, desert food web, and desert food pyramid in this cool science fair project to learn about trophic levels and consumers.

What colors can dogs see? Do they only have black and white vision, or can they see other colors too? Find out in this cool science experiment!

Want to see a great example of Newton's first law? Kids will learn about basic physics with this fun, ballistic experiment.

Find out whether putting something on top of a plant will inhibit its growth.

Science fair project that determines what percentage of air is made up of oxygen by examining the chemical reaction between oxygen and rust.

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

Science fair project that determines whether windmills can be designed so that birds will not feed on them. Will they discriminate between different patterns?

4th graders construct an ocean food web to learn about consumers and trophic levels, food webs, and food chains in this cool ecology science fair project.

Check out this fun science fair project idea to determine if the size of a particle affect the rate or speed of a chemical reaction.

Dive into the world of cooking oil and smoke points to discover just how fast some oils start smoking.

Will increasing the amount of salt in water effect how slow or fast the water freezes?

Is the birthday paradox really a paradox, or just an intriguing problem that defies intuition? Find out with this birthday paradox science fair project.

The purpose of this science project is to investigate which will grow larger plants: compost, soil and Miracle - Gro, a mixture of both.

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

Determine if it is easier to memorize colors, words, words in phrases, pictures or numbers. Determine at when retention rate in each category is the best.