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.

This science fair project idea investigates whether plants can survive being frozen.

The objective of this science fair project is to explore the relationship between acidic and basic compounds.

Look for correlation between pH values of commercial soaps and detergents and manufacturer claims about eye irritation hazards.

Science fair project that tests the effects of temperature change on the reactivity of the catalase enzyme.

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

Science fair project that helps visualize how the human brain functions by constructing a model of a brain.

This science experiment tests why guacamole goes brown and if leaving the pit in will stop guacamole from turning brown.

Determine which environment keeps an ice cube frozen for the longest duration. Inspect and record your observations when cubes melt.

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

Check out this fun science project idea to measure the amount of vitamin C in ripe, half-ripe, unripe and stored oranges.

Check out this cool science project idea to learn about rocks and explore the cycles of formation, breakdown, and reformation of rocks in the Earth's crust.

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

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

Determine whether fresh vegetables have more calories or less calories than canned vegetables.

Get a cool middle school chemistry project idea on how to determine whether a physical or a chemical change has taken place.

Investigate which substances are most effective at removing salt from water.

Science fair project that examines how yeast grows, and which conditions allow for optimal growth. What types of nutrients does yeast prefer?

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

The goal of this science fair project was to examine how different angles of decline affect the tipping point of a vehicle.

This science fair project idea studies the differences in gender perception between people.

This science fair project idea investigates food preference of birds.

The purpose of this science project is to investigate which will grow larger plants: compost, soil and Miracle - Gro, a mixture of both.

The purpose of this science fair project is to investigate which food wrapping works best to keep refrigerated and non-refrigerated foods from spoiling.

Research hemispheric brain dominance in order to determine if you have a dominant side. Test foot, ear dominance. Record observations.

Determine whether the application of Febreeze will lower the bacterial count.

Test products which claim to reduce wrinkles, and determine which is the most effective. Test effectiveness over three weeks, using a sample of volunteers.

Research what is known about Alzheimer's disease and its treatment, and then prepare a script for television to educate the public.