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Test ability to distinguish between natural and artificial aromatherapy oils. Select fragrance, natural and synthetic sample. Volunteers state preference.

Wild-type and GAPDH mutant Caenorhabditis elegans were used as an example of how glucose or sugar affects the lifespan of humans.

Science fair project that determines whether disinfectant sprays or disinfectant soaps are more effective at removing bacteria from hands.

Investigate which substances are most effective at removing salt from water.

Determine how proficient you are at making estimations and learn how to make more reasonable estimates.

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

Check out this cool science project idea to learn about rocks and explore the cycles of formation, breakdown, and reformation of rocks in the Earth's crust.

Do people only "hear" what they want to hear? Explore pareidolia and psychoacoustics with this easy science fair project that pits melody against white noise.

Analytical chemists perform chromatography to separate colors into pigments. Test the food coloring used in M&M's and Skittles candy in this fun project!

Science fair project that determines whether tapping a pomegranate with a spoon helps it release its seeds.

What can you do with hair after its cut? This science project teaches you practical uses for human hair.

This science project has students study a group of volunteer liars actively lying to study the behavior of a lie. Students see if they can figure out the truth.

The objective of this science fair project is to observe the properties of friction and apply this knowledge to search for a near-frictionless surface.

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.

Demonstrate how we are able to locate sounds, echolocation. Have a blindfolded subject locate you by the sound of your clapping.

You've heard the expression "burn rubber" but do you know how heat affects rubber? Examine the impact of temperature on rubber in this fun science experiment.

Science fair project which uses a camera to observe the surface of a balloon in the moment of its explosion.

Science fair project about different digital image file types, compares different encoding algorithms used to compress the data.

Crayons aren't just good for creating colorful masterpieces -- they're also great for science!

Learn about how sugar fermentation and growing yeast in this easy science project! Yeast is a eukaryotic microbe that puts the fun in fungus!

Kids will learn some cool stuff about chemical reactions by determining what happens when you mix different concentrations of hydrogen peroxide and yeast.

In this science fair experiment, students learn about the scientific principles behind Doppler ultrasound.

Blend art and science in this hands-on activity that shows your kindergartener how primary colors combine to make secondary colors.

This science fair project idea demonstrates how our fingers prune when in water.

In this experiment, students create music with subliminal messaging to try to influence people's decision-making.

In this project students determine which instruments composers use to create birdsongs and birdcalls in classical music.

Free science fair project idea examining how different types of water affect plant germination and growth.

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

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

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