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.

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

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.

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.

Learn with makes water molecules work with this fun and easy science activity!

This science fair project idea explores alcoholic fermentation at work by making your own soda.

This experiment evaluates if the temperature of the environment that you work in affects your ability to perform mental tasks.

This science fair project idea explores how enzyme inhibitors, active sites, non-competitive enzyme inhibitors, and substrates work.

Create your own cloud with an activity that will explain how important concepts such as evaporation, condensation, and precipitation work.

This science fair project studies whether DSLR and Point-and-Shoot cameras work the same way under all conditions.

How would you dry your wet clothes if your dryer didn't work? Find out with this fun experiment!

Create a mini plant habitat with your kid to help teach him what it takes to make an ecosystem work.