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

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.

Check out this cool science fair project idea to explore various aspects of projectile motions like mass, angle and distance.

Students will investigate the illumination durations and intensities of different luminous substances of different colors of the spectrum.

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.

This experiment examines whether social orientation (extroversion or introversion) is correlated with memory.

The objective of this experiment is to identify common materials that absorb sound waves with the greatest efficiency.

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

This middle school science fair project evaluates test subjectsâ ability to determine what a person is feeling by reading their facial microexpressions.

This science project challenges students to learn about and classify weeds and discover new practical uses for weeds.

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.

Evaluate gender differences in processing visual information.

In this fun science fair project idea learn about universal solvents and solutes and find out the solubility of several common liquid substances.

Will people perceive your intelligence differently depending on your hair color? Find out in this science fair project idea!

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

This science project teaches students about organic farming and the benefits and disadvantages of commercial plant food.

This experiment investigates whether there are certain sounds that affect men and women differently

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

Discover whether the color of text correlates with ease and speed of reading.

Could there be toxic chemicals lurking in the cupboards and closets of your home?

This science fair project idea explores whether there is a connection to the color a person wears and the way their emotional state is perceived by others.

The objective of this science fair project is to determine the rate at which participants can respond to different patterns.

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

This science fair project evaluates the suggestibility of males versus females in copying the actions of those around them.