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Showing Results for 20

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

The Passing of Time

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

Taste Perception

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.

Principles of Air Pressure

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

How Does Sound Travel?

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

Circumference of the Earth in Shadows

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

The Psychology of Feeling Watched

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

Apple Allelopathy: Accelerating the Ripening Process

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

Does Mint Actually Cool Things Down?

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

Do Screen and Text Color Affect Retention?

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

Specific Heat of Water vs. Specific Heat of Sand

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

Dig This: Biodegradation

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

Which Plants Can Resist Walnut Tree Allelopathy?

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

Retrograde Mode

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

How to Make a Lung Model

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

Growing Bacteria

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

The Effect of Color on Emotions

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

Text on Screen vs. Type on Paper: Which is Easier to Remember?

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.

Most Popular Soda

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

Cats & Dogs

The objective of this science fair project is to study the photosynthesis process and demonstrate the important role that leaves play in the process.

The Photosynthesis Process and the Importance of Leaves

The goal of this science fair project is to analyze differences between the taste and texture of frozen and fresh food.

Fresh Food vs. Frozen Food

Windmills have been around for generations to grind food and create energy. During this challenge, students will use various materials and put their engineering skills to work by creating their own windmills.

Wacky Windmill Challenge

This science fair project teaches students about wilting and browning of salad greens.

Why Do Greens Turn Brown?

Science fair project that examines how temperature affects density and how density in turn affects the behavior of helium gas.

Helium Rising

This science fair project idea investigates how a bottom keel helps keep a boat from rocking back and forth.

Don't Rock the Boat

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

Whatever Floats Your Boat

Science fair project idea which teaches you how to make butter by separating cream into butter and buttermilk.

Homemade Butter

This science fair project idea examines whether adding gelatin causes a solid to have a higher melting point and/or melt slower.

Does Gelatin Slow Down the Melting of Freezer Pops? 

Science fair project which evaluates different athletic shoes in order to find out whether any of them affect a person's ability to run.

Speedy Shoes

This science fair project idea explores whether there is a connection to the color a person wears and the way their emotional state is perceived by others.

Color and Emotion Perception

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