Science fair project that teaches you key definitions of molecular science, and how different isotopes of an element affect the relative atomic mass.

Measure the effectiveness of detergent containing a UV-absorbing compound in blocking UV-A radiation. Use black light and UV detecting beads.

In this science fair project, students will learn how to calculate the formula for the thermal decomposition of potassium chlorate.

In this experiment you observe and determine how well your cat uses his whiskers to navigate through a maze.

In this science fair project, high school students will try to determine the mathematical patterns in JS Bach's two movement preludes and fugues.

This experiment evaluates how a diet that is rich in "mood-enhancing" foods affects the way people feel over several weeks.

Science fair project idea examines different techniques for memorization. Analyze results of memory tests to determine which method is most effective.

In this simple science project, learn about what causes dew and what affects dew formation with a drinking glass, ice, and a soda bottle.

Which sunscreen is most effective at blocking the sun's harmful UV rays? Test the SPF of various sunblock brands in this cool science project!

Learn how to use the Punnett Square to predict the gene combinations of dominant and recessive traits in this fun and easy genetics science project!

Research what is known about Alzheimer's disease and its treatment, and then prepare a script for television to educate the public.

Are you able to endure long periods of exercise? Find out if snorers can exercise longer than non-snorers.

This science fair project determines the quality of a given product.

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

Are your taste buds up for the challenge? Put tongues to the test with this science fair project that examines who enjoys sour flavors more, adults or kids?

Science fair project idea examines what is remembered from high school education. Formulate and administer high school curriculum tests to adults over 21.

Science fair project in which you will stage an election campaign to determine whether people are more swayed by a positive ad or negative ad.

Demonstrate and describe acid-base reactions of baking soda and baking powder by making pancakes.

Free science fair project idea that measures change in flexibility with age, using a variety of flexibility tests like Sit & Reach.

Check out this cool science fair idea on why hard fruits become soft and learn how to compare the sugar content between ripe and unripe fruits.

This science fair project idea explores if male or female humans are more likely to exhibit some form of color blindness.

This science fair project idea examines if there is a reason that musical notes are at the pitches they are.

This science fair project idea determines whether dogs can be trained faster using a food reward or praise.

This fascinating science fair project explores eye color genotypes.

This science fair project idea explores whether certain physical and mental traits run in the family.

Observe trends in the properties of writing materials over past 5000 years and extrapolate to future time. Prepare a table that compares writing material.

Use chemical analysis to identify a variety of mystery powders that look the same but actually have very different properties.

In this science fair project, students make their own rain gauge to measure rainfall.

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

Explore convex and concave objects and how they reflect light.