Have you ever wondered how many numbers most people can memorize? Test your friends to find out!

What if the shape of the Earth weren't spherical? How does its shape affect our gravity, climate, and tides? Model these questions in this cool project!

Learn how to relight a candle by lighting the vaporized wax in the smoke, and test how various kind of wax and candle brands relight differently.

Science fair project that determines whether windmills can be designed so that birds will not feed on them. Will they discriminate between different patterns?

The goal of this science fair experiment is to demonstrate the effects of air pressure on objects and analyze applications of air pressure principles.

This experiment demonstrates the conservation and transfer of energy using a marble rolling over sandpaper.

Design an improvement for an existing website. Program improved feature, get website owner to implemement new design.

This science fair project demonstrates the "power of conformity".

This science fair project idea investigates the difference in reaction times between boys and girls.

Find a mathematical relationship between the intensity of a sound wave and distance from the sound source. Use a pedometer and a sound level meter.

Have you ever noticed the way a dropped stone makes a fun pattern in a pond or lake? What's the science behind these splashy occurrences?

The Galileo inclined plane physics experiment was one of the first ways scientists calculated acceleration due to gravity. Do it yourself in this project!

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

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

Checkerboard play challenges students to use spatial reasoning and computational thinking.

This science fair project idea compares whether ionic dryers leave hair in better condition than non-ionic dryers.

The objective of this science fair project is to assess the benefits of the game system for improving player performance following use.

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

Do you think heat can affect a plant's growth rate?

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

How fast is the wind blowing? This science experiment provides step-by-step instructions to help you answer this question.

This project explores whether nails, toothpicks, straws, or pen nibs are best for applying ink to paper.

Do dogs understand English? Kids will find out with one of our favorite dog science fair projects that tests how dogs process human language and other cues.

Science fair project that compares the ecology of different soil samples by identifying which sample has the most invertebrates living in it.

This science fair project idea explores whether color affects a person's emotional state.

Can you wink? Is your ability to wink genetic or simply based on chance? Find out in this science fair project idea!

This project compares different liquids and the freezing, melting and boiling points of liquids.

This science fair project idea studies which kind of rock (sedimentary, igneous, or metamorphic) is most damaged by frozen water.

Study and categorize the functions and types of genes. Run gene experiments chosen from links. Analyze data, explain ideas in a detailed report.

Learn about our response to scents that existed in our environment over evolutionary time and consider why scents might affect our mood state.