This science fair project idea's objective is to become familiar with items your family regularly throws in the trash.

Science fair project in which you will build your own algae photobioreactor which will meet the physiological requirements of algae for maximum growth.

Could there be toxic chemicals lurking in the cupboards and closets of your home?

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

Design a hearing protection device to protect their ears from loud noises. Examine the properties of current protective hearing devices, materials.

Research long-term effects and draft a questionnaire about frequency of marijuana use and average annual income. Interpret findings in a detailed report

This high school science fair project investigates if small changes in your diet alter the pH of your saliva.

Identify vitamin C in fruit juices and to determine which of the following juices contain the most vitamin C

The project determines determine if a sports drink affects the heart rate of a student athlete during exercise.

This science fair project idea determines whether volunteers remember more information presented orally or visually or kinesthetically.

This experiment evaluates whether the phenomenon of "choice blindness" occurs more often with men or women.

Can you plant the insect-attracting borage plant to increase the amount of beneficial insects in your garden? Find out in this experiment!

This experiment investigates if small changes in your diet can alter your basal body temperature.

Test for a correlation between perceived color and heart rate. Using a stethoscope and stop watch, measure the heart rate (beats per minute) of volunteers.

This science fair project idea explores how the shape of a boat affects its density and how much weight it can float.

How much gas is released into your stomach by your favorite beverages? This project examines which beverages produce the most gas.

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

This science fair project idea teaches to understand and explore the concepts of crystal formation and dissolving substances.

This science fair experiment idea's objective is to understand the general concept of an acid and a base.

Sure, you already know that water is made up of hydrogen and oxygen, but did you know that oxygen levels differ in different types of water?

Can you stain teeth with tea, coffee, or coke? Explore how in this science fair project idea.

This social science experiment endeavors to determine whether certain types of animals provide greater physical and mental health benefits to their owners.

In this science fair project, students create their own miniature salt flats at home.

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

In this insulation experiment, you'll learn which clothes keep you warm in the cold, and which make you shiver.

This science fair project idea enhances awareness of local food production and food sourcing.

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

Observe how your brain works while it is focused on one thing, and how it works while you are distracted by another thing.

This project investigates the affect of storage temperature on microwave popcorn.