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Science fair project about work and energy which uses a simple mathematical formula to predict how far a jar will roll down an incline.

This science fair project idea investigates how different disinfectants work in killing germs.

How does a compass work? What's a magnetic field? Kids will build their own compass at home to find the answers in this great science fair project idea.

This experiment will evaluate if the environments that people work in affect their speed and accuracy in performing mental tasks.

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

How does dishwashing liquid work? Kids discover the chemical mechanism behind cleansing power in this easy science fair project idea.

Kids learn how fiber optics work with a dramatic total internal reflection experiment using a fish tank, water, and a laser pointer.

How does a flashlight work? Kids will make a complete circuit and explore how voltage contributes to brightness with this science fair project idea.

Compare the whitening abilities of four different brands of whitening toothpaste to see which one whitens the fastest and which one whitens the most.

Science fair project that determines whether disinfectant sprays or disinfectant soaps are more effective at removing bacteria from hands.

This quick and simple preschool mirror activity will introduce your child to the science of reflection and light with a flashlight experiment and picture game.

In this experiment, students create music with subliminal messaging to try to influence people's decision-making.

This fun middle school science fair project idea helps student discover the concepts behind deep sea diving and how Cartesian divers work.

In this science fair project, students evaluate if astrological signs provide clues about people's personalities.

This science fair project idea examines whether music has an effect on a person's ability to complete a simple task that requires concentration.

Get a cool and easy science fair project idea which helps high school students in understanding concepts behind the working of a microphone.

The purpose of this science fair project is to determine whether Green Bags, with or without refrigeration, are most effective in preserving food.

Get a fun high school physics science fair project idea one of the states of matter called plasma and the applications of this unique coil.

This science fair project examines discover whether different formations of deodorant works better for certain skin types.

How can Hooke's law explain how springs work? Learn about how Hooke's law is at work when you exert force on a spring in this cool science project.

Explore which teeth-whitening products work best - Whitestrips or Whitetrays.

This science fair project idea assesses the effect of music on work performance.