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The objective of this science fair project idea is to explore which brands of "anti-fade" shampoos work the best to keep hair color looking fresh.

Determine the relationship between the speed of a sound and the temperature of the air it passes through.

Determine whether a hot liquid cools off faster when liquid is added before or after a two minute wait.

Determine the differences between various bicep exercises, both in terms of how much muscle exertion they create and how they affect your heart rate.

Learn whether dark green and leafy veggies tend to have a higher Vitamin C content than lighter green varieties.

Demonstrate the relationship between mass, volume and density. Measure displaced water, and weigh object to calculate mass and density.

Find out whether matte or shiny nail polish lasts longer.

Science fair project that tests the correlation between outdoor temperature or weather conditions and the number of visible stars at night.

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

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

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 experiment explores whether music affects the growth of bacteria and could help figure out better ways to process sewage and other microbe-assisted duties.

This science fair project examines discover whether different formations of deodorant works better for certain skin types.

Research fruits and their ripening stages, follow and document the different stages. Analyze what causes fruit to continue ripening after being picked.

Research overview of architecural acoustics. Design and build a whispering wall from wood or plastic. Test which materials work best.

Consult astronomers for opinions and advice. Devise a mathematical argument regarding the probability of other planets supporting extra-terrestrial life.

Build basic projector out of ordinary materials. Create several color transparency slides, demonstrate your creation.

This experiment will determine how different kinds of light affects the strength of bakerâs yeast.

The purpose of this science fair project is to investigate which food wrapping works best to keep refrigerated and non-refrigerated foods from spoiling.

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

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

Explore the best way to store popcorn kernels. It examines the impact of moisture and temperature on unpopped kernels.

Kids will make predictions about cricket behavior by conducting this fun and easy experiment which simulates different environments for crickets.

The moon doesn't produce its own light, so why can we see it shining in the sky? Learn about reflection and planetshine in this fun and easy science project!

In this cool engineering science fair project, kids learn how to build Hero's engine: an enlightening example of Newton's third law.

Using a toy race car kids create a visual model of the Doppler Effect.

Learn about what happens to a current-carrying wire in a magnetic field in this cool electromagnetism experiment!

This science fair project idea examines which type of insulation holds in the most heat.

This science fair project idea determines the most effective method of preserving food.