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Science fair project which identifies the most effective insulator that you could use to make a winter coat by comparing how well cloth and cotton trap heat.

This science fair project idea investigates the relationship between memory and age.

This experiment examines if space objects become round after reaching a certain mass.

Explore the concept of receptive fields and why different parts of our body have different levels of sensitivity.

In this science fair experiment about recycling, demonstrate how the wax from a candle can be reused to make another candle.

Learn about the anatomy of the autonomic nervous system and its relationship to the rest of the body.

Compare the whitening abilities of four different brands of whitening toothpaste to see which one whitens the fastest and which one whitens the most.

Science fair project that illustrates the properties of black holes in space.

This experiment will explore the possibility of a connection between lunar cycles and how humans are affected.

Is there a relationship between caffeine and heart rate? Students will determine the effect of caffeine on heart rate in this fun science fair project.

Get a cool and easy science fair project idea which helps high school students in understanding concepts behind the working of a microphone.

Construct batteries that make electricity from fruits with this fun science fair project.

This science fair project idea demonstrates sonar mapping of the ocean floor.

In this project, you will observe and record changes in sunspots over two weeks.

This experiment explores the most common colors that appear among a sample of crossbred guppies.

Compare air temperature with the infrared temperature from a reflecting surface at different times of the day, in shade and in sunlight.

In this fun science experiment, kids will determine the best method for ripening avocados and discover the cool chemical reaction that makes this possible.

Learn about where colors come from and how light absorption works in this fun experiment! All you need is a flashlight, construction paper, and cellophane!

The goal of this evaporation experiment is to learn about how different external conditions affect drying time.

Science fair project that examines learn how the angle of incidence affects the efficiency of solar panels. How does a solar cell work?

Can playing video games trigger an adrenaline rush even though there's no real danger? In this cool experiment you'll learn all about how fight-or-flight works!

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

This science fair project idea explores which is better for diffusion and cell absorbing, more surface area, or more volume.

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.

This project investigates the affect of storage temperature on microwave popcorn.

This project concerns activity happening millions of miles away, on the sun.

This science fair project idea addresses tempo, and whether faster or slower music works better as a study aid.

This project investigates several commercially decaffeinated tea types (black, green, oolong, white) for the presence of detectable traces of caffeine.

Learn about our cognitive capacity of attention and to learn about factors that influence attention.