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

The objective of this science project was to build a model of a volcano and observe reaction between different substances, including baking soda and vinegar.

Examine how a battery can be made from everyday materials.

This project investigates an interesting question: If one learns to write backwards, is one also able to read backwards?

How fast is the wind blowing? This science experiment provides step-by-step instructions to help you answer this question.

Examine the effect of pressure on carbonation in soda.

Determines the extent that high school GPA predicts future income. Survey volunteers, divide GPA into 5 categories, compare income levels with GPA

This project explores how and how much one family can reduce the amount of garbage they accumulate over a three month period.

This experiment evaluates how a diet that is rich in "mood-enhancing" foods affects the way people feel over several weeks.

In this project, you will observe and record changes in sunspots over two weeks.

In this science fair project, students will use four different household objects to see which ones form the most or best crystals.

Design a survival kit. Brainstorm various survival scenarios. Address basic human requirements and natural resources. Describe each tool as well uses.

Check out this fun science fair project idea to explore how building on different types of soil affects the relative stability of buildings in an earthquake.

In this project, you'll build a model of the earth, complete with all seven continents and four major oceans.

Demonstrate the principle of jet propulsion in this science fair project by building a rocket from household materials.

This project determines how much the rebound rates of tennis balls change after ten games.

This science fair project idea determines an average personâs ability to use their anaerobic power system over a period of 2 weeks.

In this cool science experiment, learn about magnetism and poles, and test magnet strength to find out if two magnets are twice as strong as one.

Determine the effect of homework on academic performance. Collect grade info at the end of a semester, determine correlation between grades, amount of homework

In this science fair project, apply the principles of leverage and force by building six simple machines designed to set weights in motion.

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

In this science fair project, young children will become aware of and have the opportunity to experience the four basic tastes: sweet, sour, salty, and bitter.

Create an organic plastic product using vinegar and cream. Track decomposition over course of several weeks. Compare decomposition with traditional plastics.

Design a livable building that functions without electricity. Consider necessities, comforts and entertainment. Build a scale model of your design.

Do you have your isopods straight? Learn about sow bug and pill bug behavior by building a terrarium to study them in!

In this experiment, students find out what happens when a less-dense fluid interacts with a denser one, replicating the effect of cooler solid rock on magma.

In this experiment two environments will be compared: a room with interior design that uses correct Feng Shui versus one with incorrect Feng Shui.

In this project, waves of vibrations are experimented with using water in glasses.

Administer IQ tests to volunteers. have one group practice typical IQ test problems. Then compare results of the two groups.

What happens when "coffee-addicts" miss coffee for 1 day? Find out in this science fair project idea!