This science experiment tests if dog saliva can really help heal wounds.

Wind is an important source of renewable, green energy. The purpose of this science fair project is to build and operate a windmill generator.

This project examines various algorithms to determine the ideal algorithm for a strategy game.

Science fair project that examines how temperature affects density and how density in turn affects the behavior of helium gas.

How do search engines work? What makes various search engines different? This project delves into the world of web crawlers, caching, indexing and algorithms.

Science fair project that examines how to grow bacteria in a controlled setting, using simple materials from around the home.

Do suds equal more clean or does a sud-free cleaning agent works just as well or even better?

Learn about the greenhouse effect- and get great science fair experiment ideas. Read more.

Prove that the Earth is not flat. The objective of this science fair project is to measure the angle of the sun and calculate the circumference of the Earth.

In this design challenge, your child will make a bottle rocket using typical household items.

This science fair project explores how salt and sugar affect the melting rate of ice in water.

In this science fair project, kids will be able to see where germs reside on their hands while gaining insight into the benefits of thorough hand washing.

Does nail polish really slow the growth of nails? Explore in this science fair project idea.

In this activity, your child will be challenged to make a tower using paper cups.

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.

Your child can create his own texture tree, experimenting with design during the process. The result will be a beautiful addition to your holiday decorations

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

In this exciting design challenge, your child will use design thinking skills to create a mixture that can inflate a balloon.

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