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

This project explores how and how much one family can reduce the amount of garbage they accumulate over a three month period.

What can you do with hair after its cut? This science project teaches you practical uses for human hair.

Research currently available fuel sources, and fuel manufacturing and processing techniques. Propose an alternative fuel source.

Learn about our cognitive capacity of attention and to learn about factors that influence attention.

This science fair project idea tests the efficiency of short term memory.

Explore the negative and positive consequences of stereotypes.

Develop a new system for predicting geographic changes. Demonstrate the nature of geographic change. Make logical predictions.

Tree rings can tell the age of the tree but also information about the world. This science experiment uses tree stumps to discover new facts.

Make a list of items that need repurposing such as e-waste, batteries and mattresses. Invent your own original repurposed design.

This science fair project focuses on the use of a conductivity device that will determine if a substance dissolved in water can or cannot conduct electricity.

Learn how to tell time by the sun with this cool science fair project idea that tracks how the accuracy of a sundial changes over time.

Learn about the growing app design field by designing a new or improved app for smartphones.

This science fair project teaches students the differences between fruits and vegetables.

Test of the effect of exercise on rote memory. Prepare a single list of 40 randomly chosen words. Have volunteers recall as many words as possible.

Science fair project that explains and demonstrates the parallax principle.

Thoroughly research image search engines. Consider possible improvements for visual search engines. Help design better image-matching engines.

Science fair project which will teach you more about the foods that you eat, and learn which ones are healthier choices.

This project determines what percentage of test subjects react adversely to the sound of fingernails on a chalkboard and explores their physiological responses.

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

In this cool project, create a lighted, scale model of the different layers of the Sun, including the core, radiation and convection zones, and photosphere.

Determine the effect of reading aloud on memory skills. Prepare a list of randomly chosen words, ask volunteers to recall as many as possible from the list.

This science project teaches students to classify different shapes of leaves.

Science fair project that designs a video game that requires players to use relevant skills.

This experiment has students record rat behavior to learn about the benefits of rats and research rat myths throughout history.

In this science fair project, young children observe, record, and create collections of shapes in their world and increase their powers of observation.

Science fair project examining barometric pressure, and how it can be used to predict the weather. How does atmospheric pressures relate to weather conditions?

This project examines which type of dance burns the most calories.

Research Earthship buildings. Draft a unique architectural design that repurposes used, discarded radial tires. Build scale model of structure.

Science fair project that builds a magnetometer and demonstrate its uses.