This science fair project idea explores whether people have an innate feel for the passing of time from a few seconds to 20 minutes.

This project examines whether people's taste perception is influenced by what they see.

The objective of this science fair project is to examine the basic principles of air pressure using simple materials like a balloon, straw and string.

This project determines whether Styrofoam, paper, or plastic cups are best for preventing ice from melting.

Ever wondered how a plant drinks water? This science project will teach you how and help you create a beautiful floral display!

The objective of this science fair project idea is to determine if sound travels best through the air, water or a solid.

Science fair project which measures the shadow cast by a meter stick at various times in order to predict the circumference of the earth.

This science fair project teaches kids experimental design and how to test if subjects can really sense if they are being watched.

In this science fair project, students will create a model of a shoreline, observe erosion and examine how jetties prevent erosion.

This science fair project examines which fruits and/or vegetables will ripen prematurely when placed with ripe apples.

In this fun science fair project idea, kids will experiment with various methods in order to discover the fastest way to cool a soda.

Enter the buzz worthy world of bee watching and find out what time bees like to wake up!

This science project challenges students to learn about and classify weeds and discover new practical uses for weeds.

This science project teaches students to classify different shapes of leaves.

This science fair project idea teaches that time always passes at the same rate and nothing we do in our daily life âreallyâ affects how fast it moves.

This science fair project idea explores whether mint, known for its âcooling sensationâ really does lower temperatures.

This project examines if computer screen and text color affect retention and if people subconsciously prefer combinations of colors that help their retention.

What heats up fasterâwater or soil? 5th grade students test the specific heat of water against the specific heat of sand in this great science fair project.

How do organic materials become soil? This science experiment measures what materials biodegrade.

This science fair project idea recreates the movement of planetary bodies in order to learn why they sometimes appear to move backwards.

This science fair project compares the allelopathic affects of juglone, a chemical agent produced by the Black Walnut tree, on two plants.

Set off an a science adventure as you prepare a row of bee homes for your new visitors.

This science fair project explains the process of how the lungs expand and contract with the help of the diaphragm.

Science fair project that examines how to grow bacteria in a controlled setting, using simple materials from around the home.

This science fair project idea explores whether color affects a person's emotional state.

Discover flight initiation distance as you play around in the park with this fun bird watching project!

This experiment explores whether reading text on a computer screen or type on paper leads to better retention of the information read.

Learn how to demagnetize a magnet and how physics can explain this phenomenon with this enlightening science fair project.

The goal of this science fair project is to discover the science behind carbonated soft drinks and apply this knowledge to create a new one.

Free science fair project idea that examines the differences between cats and dogs. Analyze objective qualities rather than subjective ones.