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This science fair project idea compares the cuteness reaction between genders.

This science fair project idea assesses the effect of music on work performance.

Save money by making compost! Use this science fair project idea to determine which composting methods best encourage decomposition of organic matter.

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

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

Determine if gender affects the ability to identify different smells.

Get a cool science fair project idea for middle schoolers on the effect of adding sugar to the growth of green plants.

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.

This conservation of energy demonstration shows why the first hill is the highest on a roller coaster. Learn more about potential and kinetic energy!

Science fair project that determines whether brain size is correlated with intelligence.

Science fair project that creates a pamphlet to help others learn about Epilepsy, its causes, symptoms and treatments.

The objective of this science fair project is to analyze the effects of salinity and temperature on water.

Start your toy engines -- this is going to be a fast and friction-filled race!

Are you ready to be a detective for science? Then get out your magnifying glass and start studying fingerprints!

How can we describe the relationship of magnetic field strength vs. distance? Kids will find out with this free science fair project idea.

Science fair project that compares the properties of different fabrics to determine whether natural or synthetic fabrics are better at wicking away moisture.

Check out this fun and easy science fair project idea on germination of a seed and learn to identify exterior and interior parts of a bean seed.

Is cleaning with lemon effective? Get ready to give this science project some elbow grease and find out if acidic lemons can be used as a cleaning agent.

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.

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

Determine which metal has the highest rate of conductivity.

Can the force of air be used to propel a vehicle? This science experiment provides step-by-step instructions to help you answer this question.

This science fair project idea will be examining oxidation and acid rain

This project will explore whether people are emotionally susceptible to suggestions of both humor and sorrow.

Research historic methods of food preservation. Analyze alternative recipes and techniques of food preservation. Document success with photographs.

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

This science fair project investigates whether tapping the top or the side of the can will stop a vigorously-shaken can of soda from exploding.

This science fair project idea determines whether the older population prefers darker, duller colors rather than bright and lush colors.

The objective of this sociologically-inclined experiment is to evaluate whether kids' toy preferences are hardwired or develop as they grow.