Explore joule heating and resistance vs. temperature with this cool electricity science fair project that gets kids melting ice cubes with resistors.

This experiment evaluates if a noisy environment makes it harder for test subjects to perform tasks that require hand-eye coordination.

Discover which battery composition (type) lasts the longest.

Kids get step-by-step instructions for how to make a rubber band car and explore the physics of potential energy with this fun engineering science fair project.

Research hemispheric brain dominance in order to determine if you have a dominant side. Test foot, ear dominance. Record observations.

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.

Find out whether optical mice are useful on all surfaces or if there are drawbacks to this supposedly superior solution to the traditional roller-ball mouse.

This cool and easy elementary school science fair project idea provides the basic information on the use of our senses to experience the world about us.

Science fair project that examines the effects of soap on the surface tension of water. How does soap affect the surface tension of water?

This science fair project idea determines what household items are good conductors of electricity.

This science fair project idea explores whether a plastic slinky works as well as a metal slinky when walking it down the stairs.

This science fair project idea studies which kind of rock (sedimentary, igneous, or metamorphic) is most damaged by frozen water.

Wonder why bugs always fly around your lights at night? This experiment determines whether insects are attracted to the heat or the light.

Science fair project idea which teaches you how to make butter by separating cream into butter and buttermilk.

This experiment evaluates whether the phenomenon of "choice blindness" occurs more often with men or women.

How much gas is released into your stomach by your favorite beverages? This project examines which beverages produce the most gas.

Score a bull's eye with this cool science fair project on horizontal projectile motion. Guide a marble to its target and predict its trajectory using math!

Is it magic? No...it's the amazing, gravity-defying capillary action experiment! Kids will love this dramatic and enlightening science fair project.

This science fair project idea discovers whether plants grow best in chemical fertilizer, organic fertilizer, or with no fertilizer at all.

This science fair project idea explores whether the types and brands of faucet filters are relevant to their performance.

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

How do the phases of the Moon and gravity cause spring tides and neap tides? Does the Sun play a role in the tides? Figure it out in this fun science project!

Discover whether a metal will expand under hot water.

Science fair project that compares the relative carbon dioxide concentrations of various gases, including different types of vehicle emissions.

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

Science fair project that determines the relationship between the temperature and the rate of cricket chirping. How many times do crickets chirp each minute?

Find out whether soil amendments can improve soil conditions and help you grow a bigger beanstalk in this ecology experiment!

Examine how the tire treads of a bicycle affect its rolling frictional force. Change tires, test speed performance on different terrains.

This project examines whether people's taste perception is influenced by what they see.

This science fair project investigates whether tapping the top or the side of the can will stop a vigorously-shaken can of soda from exploding.