In this science fair project, kids measure how weather conditions affect how fast a puddle evaporates.

Find out the differences (if any) in the frequencies of voices produced from a computer, from a phone, and directly coming out of the voice box of a human.

This experiment will explore if magnetism has any effect on the regeneration abilities of flatworms.

This experiment will evaluate if the environments that people work in affect their speed and accuracy in performing mental tasks.

Science fair project that identifies the differences between soils from different environments and attempts to figure out why those differences exist.

In this science fair project, students investigate how different colors influence appetite.

Demonstrate that insects observe colors and choose favorites. Place colored pieces of construction paper on a flat, glassy surface, observe bug preference.

Discover whether eating certain foods will make you smell (not only bad breath) but through skin cells.

This experiment explores how listening in to a one-sided conversation affects concentration.

This experiment observes inattentional blindness and investigates whether certain age groups or genders are more likely to demonstrate this phenomenon.

This science fair project teaches kids experimental design and how to test if subjects can really sense if they are being watched.

The objective of this science experiment is to evaluate the affects of high and low heat capacity on a material's heat retention ability.

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

In this project, learn about animal vision and different kinds of eyes: ocelli, compound eyes, and camera eyes. Find out what a jellyfish or grasshopper sees!

Do you think you can blow down a sand castle with a mighty wind? Find out which material stands up best to erosion in this erosion experiment.

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

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!

This science fair project idea determines effective strategies to help students stay awake and attentive.

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

Discover the interactions of synthetic dyes and natural dyes on natural and artificially-made fabrics.

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.

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

Determine which seeds are most likely to survive harsh winter conditions (low temperatures).

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

This science fair project idea tests whether tall people have the ability to swim faster than people of average and shorter heights.

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.

Science fair project that examines condensation and the conditions needed in order for dew to form.

Will increasing the amount of salt in water effect how slow or fast the water freezes?

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