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

Check out this cool middle school science fair project idea to determine if shopping carts are really carriers of harmful bacteria.

The objective of this science fair project is to determine whether there are gender differences when boys and girls view optical illusions.

Science fair project in which you will examine how crystals are formed by creating your own crystal using charcoal briquettes, salt, and ammonia.

Science fair project idea examines different techniques for memorization. Analyze results of memory tests to determine which method is most effective.

Demonstrate Newton's laws of motion by examining the relationship between mass, force, and acceleration during free-fall.

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

There is debate about whether chalkboards or whiteboards are better. This experiment explores which leads to better retention of visually-displayed information.

The objective of this science fair project is to observe the differences in heat absorption for darker colors vs. lighter colors.

Check out this cool middle school science fair project idea to find the difference between organically grown and commercial brands of foods.

Read on this high school science fair project idea to get basic information on the process of heat transfer and the conditions under which the transfer occurs.

These science fair experiments demonstrate the chemistry of rust and the oxidation process.

Do people only "hear" what they want to hear? Explore pareidolia and psychoacoustics with this easy science fair project that pits melody against white noise.

Science fair project about different digital image file types, compares different encoding algorithms used to compress the data.

Build basic projector out of ordinary materials. Create several color transparency slides, demonstrate your creation.

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

Build a 3d animal cell model with this cool science fair project, which helps kids visualize and understand the function of a cell's parts and organelles.

Research fruits and their ripening stages, follow and document the different stages. Analyze what causes fruit to continue ripening after being picked.

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

Get a cool science fair project idea for middle schoolers on the effect of adding sugar to the growth of green plants.

This simple heat transfer experiment is a great introduction to the concepts of heat transfer and conduction.

Science fair project that examines oxidation, reduction and chemical indicators by testing for the presence of the iodide in salt.

This science fair project idea examines the distance a person travels on an average day and to relate that to an understanding of the size of the Earth.

This science fair project investigates which of two learning modes most commonly used in school, visual and auditory, is better for information retention.

Discover the force of water! This article provides step-by-step instructions for creating your own science experiment.

The objective of this science fair project is to study the photosynthesis process and demonstrate the important role that leaves play in the process.

This project explores if people more easily distinguish between faces of people of their own race or ethnicity compared to those of other races or ethnicities.

Examine which metal conducts more heat by boiling water in 3 pans made of aluminum, copper, and stainless steel.

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

The goal of this science fair project is to investigate the effect of irradiation on the germination and growth of vegetables, such as the tomato plant.