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Check out this fun science fair project idea to measure bacterial colonies from door handles and explore the effectiveness of different cleaning agents.

In this science fair project, students will try to discover if test subjects can detect the presence of Monosodium Glutumate (MSG) in food.

The purpose of this science fair project is to demonstrate how yeast, a fungus, causes bread to rise.

Kids will build a turtle habitat in order to observe the climate preferences of this cold-blooded reptile.

This classic children's game-connecting two cups with a string-demonstrates sound's ability to travel through air vs through a solid.

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

This science fair project examines how seeds hitchhike on animals and clothing.

In this science fair projects, students will grow out the bacteria that collect on air conditioner filters.

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 determines if the size of the parachute will change the rate at which an object falls.

The objective of this experiment is to evaluate whether funny advertisements are more or less effective than serious advertisements.

Science fair project that explains and demonstrates the parallax principle.

Explore whether pianists have the tendency to type faster than non-pianists.

This science fair project idea tests whether tall people have the ability to swim faster than people of average and shorter heights.

Demonstrate how we are able to locate sounds, echolocation. Have a blindfolded subject locate you by the sound of your clapping.

Science fair project that tests the correlation between outdoor temperature or weather conditions and the number of visible stars at night.

Science fair project that tests how well various sunscreens protect skin from the sunâs ultraviolet radiation by measuring their effect on sun-sensitive paper.

Learn about where colors come from and how light absorption works in this fun experiment! All you need is a flashlight, construction paper, and cellophane!

In this science fair project, students examine under what conditions individual plants release seeds and how far the seeds are released.

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

This science fair project investigates why the number of visible stars changes from place to place.

This experiment will test whether people are better auditory or visual learners and if there is a link between gender and either of these learning types.

Use a fish tank to simulate a pond! This science fair project explores the relationship between acid rain and the dissolved oxygen concentration of water.

The purpose of this science fair project is to investigate whether we can simulate how craters are formed and predict their size and shape.

This science fair project idea examines whether people can decode scrambled messages.

Explore the properties of light and color using photographic filters. Take pictures of color spectrum, compare results of different filters.

Do human lie detectors exist? Charge up your powers of observation to see if you can tell a lie from the truth.

This science fair project idea examines which type of insulation holds in the most heat.

This science fair project examines how carnivorous plants digest insects, and whether the plant can use nitrogen in the soil to compensate for lack of insects.