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Science fair project that demonstrates the effect of detergent pollution on fresh water birds' ability to stay afloat.

Discover whether ants are more attracted to natural cane sugar or artificial sweeteners.

How does a kazoo, the strings of a guitar, or the speaker of a radio make sound? The purpose of this science fair project is to show how vibration makes sound.

Test out various brands of permanent markers to see which one is least water soluble.

Science fair project which tests which antacids are most potent by measuring how well they neutralize the acid in lemon juice.

Does dough rise faster with unbleached or bleached flour? Investigate in this science fair project idea.

It has long been believed that weather influences mood and behavior. This experiment will evaluate if weather can really impact the way people feel.

This experiment investigates whether the psychological phenomenon of the halo effect can be used to explain people's perceptions of others.

In this "paper and pen" science fair experiment, students will research the difference between standard time and astronomical mean time.

This science fair project idea explores how water and ice can change the form of rocks.

This science fair project evaluates if and how eating a large meal affects ability to perform mental tasks.

This science fair project idea explores how enzyme inhibitors, active sites, non-competitive enzyme inhibitors, and substrates work.

This experiment investigates whether smell can be used to enhance test subjects' memories.

Which music genres have the fastest tempos? The slowest? This experiment determines if there's a relationship between beats per minute in a song and its genre.

Free science fair project idea that examines air pollution in local environments. Particles are trapped by petroleum jelly on microscope slides.

This project determines what category of person is most likely to be ticklish.

Science fair project idea helps conceptualize probability. Compare probabilities and outcomes of cards drawn from a standard playing deck.

This project examines what types of objects burn and which burn faster and cleaner.

This experiment evaluates whether a personâs dominant hand is more sensitive than their non-dominant hand.

This experiment will examine and precisely measure the amount of sugar in various sodas.

This experiment will evaluate if chewing gum affects students' test performance.

Use applied math to model orbital eccentricity in this cool science fair project for 7th grade.

Science fair project that studies how the brain transforms man-made symbols into meaningful concepts.

Did you even wonder why some rocks are round and smooth while others are broken up into small pieces?

This science experiment tests if dog saliva can really help heal wounds.

Kids will create their own version of Richard Feynman's rubber band heat engine to learn about thermodynamics with this cool science fair project idea.

For this science fair project, kids will learn how to make a lemon battery. They can conduct this classic experiment using readily available materials.

Students explore hot desert plant adaptations in this cool science fair project by observing how these organisms prevent excessive transpiration.

This science fair project idea determines if the temperature of rubber effects how high it bounces.

Check out this cool science fair project idea to explore various aspects of projectile motions like mass, angle and distance.