The goal of this science fair project is to assess the acidity levels of common food and household products using pH test strips.

Demonstrate that insects observe colors and choose favorites. Place colored pieces of construction paper on a flat, glassy surface, observe bug preference.

Do hand soaps and sanitizers prevent the growth of bread mold? If so, why? Kids will find out with this fun and informative science fair project idea.

In this science fair project, we learn how air molecules move as a result of density, convection, and air currents.

Explore how sound waves are reflected and absorbed by producing echoes. Analyze which locations produce echoes.

Science fair project that demonstrate how abrasions are formed on rocks in nature and the variations between types of rocks.

This science project researches the correlation between barometric pressure and wind velocity.

Check out this cool science fair project idea on spectrum spinners and investigate how certain color combination can produce other colors.

This experiment will evaluate bacterial content on toothbrushes before and after different cleaning methods to determine which method of disinfecting is best.

The objective of this science fair project is to experiment with balancing everyday objects and observing the the effects of gravity on materials.

This science project lets students explore the number of spots on a ladybird and how to treat ladybugs with respect.

Place mushroom caps on poster board, label samples. Check beneath mushroom caps for "prints" of spores. Record and interpret prints left behind.

Discover that the absorbency of fabrics depend largely on the shape and structure of the individual fibers that make up the fabric.

Do you think you could walk around upside down -- with your feet in the air and your head on the ground?

This science fair project idea explores whether it is easier to balance on a narrow ledge or on a rope.

This fun elementary school science fair project idea helps students in designing an amusement park using their knowledge of forces and simple machines.

Examine the effect of pressure on carbonation in soda.

Study the life cycle of the common blowfly as it relates to forensic investigation. Record the first time you see flies, maggots, and eggs.

Determine which video game elevates the heart rate best and burns the most calories.

Demonstrate and describe acid-base reactions of baking soda and baking powder by making pancakes.

This science fair project idea experiments with spinning color wheels and optical illusions.

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

This science fair project idea explores whether certain physical and mental traits run in the family.

Learn about the anatomy of the autonomic nervous system and its relationship to the rest of the body.

Examine the impact of insecticides on plant growth.

The goal of this science fair experiment is to demonstrate the effects of air pressure on objects and analyze applications of air pressure principles.

Get ready for a yummy taste test! Just pour the milk -- and make sure you have some chocolate chip cookies on hand.

Get a cool science project idea on a photovoltaic cell and explore the various factors that affect the energy output of the photovoltaic cell.

This fun middle school science fair project idea explores the process of respiration and determines whether boys and girls have the same lung capacity.

Study the effects of wind and temperature on evaporation. Place wet sponges in different environments, check at regular intervals, track time required to dry.