Determine which factors promote the greatest memory interference. Administer test, time how long it takes subjects to complete different tasks.

This science fair project idea develops an understanding through experimentation of which shapes are the most structurally strong.

In this cool science fair project, kids apply basic algebra to learn how to make a PVC pipe instrument while exploring concepts like frequency and resonance.

In this science fair project, learn how to make gears and find out why they transmit torques in predictable ways.

Determine how different measurements of the same object might yield different values. Provide as many reasons that you can think of.

What's the difference between centripetal and centrifugal force? Students find out by seeing both in action as they conduct this experiment.

What is the coldest temperature possible? In this cool experiment, you'll calculate absolute zero by extrapolating data on the temperature and volume of gas.

Learn about the layers of the Earth and make a model! Create a earth layer book, cake, or clay diagram.

How do search engines work? What makes various search engines different? This project delves into the world of web crawlers, caching, indexing and algorithms.

Get a cool science project idea on a photovoltaic cell and explore the various factors that affect the energy output of the photovoltaic cell.

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