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Kids will make a homemade electroscope and explain how it detects static charges through induction in this fun science fair project idea.

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.

Learn about our response to scents that existed in our environment over evolutionary time and consider why scents might affect our mood state.

Investigate the advantages of the use of ceramics in engines such as the tiles used in Space Shuttle. Use iron filings and magnets.

introduction to organic chemistry. study what happens when polymer molecules are mixed with borax solution.

Construct a model of radioactive decay. Learn more about radioactive decay by modeling the process using coin flips.

Study structure of the lens found in the human eye and determine whether it is concave or convex. Prepare a ray diagram, formulate hypothesis.

What is vegetative reproduction? Find out how you can clone plants and regrow cabbage from a stem in this cool experiment!

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 science fair project idea focuses on the use a conductivity device to determine the ionic concentrations of hard water.

Kids learn how to prevent erosion by growing grass. They'll test soil with grass against raw soil in this revealing science fair project idea for 4th grade.

Is there more air particulate matter in an urban or rural environment? Test your knowledge with this science fair project.

The purpose of this science fair project is to learn which substance best preserves apples. Learn about enzyme interactions in fruit and scientific processes.

The purpose of this science project is to determine whether the amount of air in a soccer ball affects how far it goes when kicked.

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

Look for correlation between pH values of commercial soaps and detergents and manufacturer claims about eye irritation hazards.

Determine how different measurements of the same object might yield different values. Provide as many reasons that you can think of.

Science fair project which tests various sedimentary, igneous and metamorphic rocks to find out whether one rock family is stronger than the others.

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.

This science fair project idea investigates whether plants can survive being frozen.

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

Is horse manure a possible energy source in a crisis? Use calorimetry to find out how much energy horse manure can produce in this science fair project.

People have favorite flavors, but what about ants? Which ant food is the most popular?

Check out this cool science fair project on identifying rocks and minerals for kids.

This baseball science fair project explores the concept of an object's center of percussion to determine if the "sweet spot" has a scientific basis.

Discover how to make fake snot with this cool science fair project idea to learn about polymers, enzymes, and more.

Learn about calorimetry, make a bomb calorimeter, and experiment with combusting different nuts to see which one produces the most energy!

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

This project researches whether the type of land use affects the water quality of Queenstown Creek.

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.