Check out this fun science fair project idea for middle school students to learn about the effects of temperature on the density of a gas such as air.

The purpose of this project is to determine if there are fluctuations in the rising and the setting of the sun and the position of the earth as it rotates.

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

Do males really prefer listening to male than female singers? Find out when exploring this science fair project!

This project determines the age of a tree using a growth factor chart instead of cutting the tree down to count the rings in its base.

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

Find out whether people within a family tend to have matching fingerprints.

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 idea investigates the hardness property of minerals.

The goal of this science fair project was to examine how different angles of decline affect the tipping point of a vehicle.

Young scientists will investigate people's preferences for saltiness, and make some inferences about genetics and diet.

Learn about the right-hand rule for magnetic force! Use a cathode ray tube in this physics experiment to see a magnetic field's effect on an electron beam.

Explore the belief in astrology as a predictive system.

Science fair project that identifies the nature of ionic and covalent bonds and determines how ionic and covalent compounds differ.

Check out this fun science project idea on ecological succession and learn the main difference between primary and secondary succession.

Science fair project that determines what neurons are, what they do and compiles this vital information in an illustrated book.

Determine whether magic salt is more effective at melting snow than regular salt. Pour one ounce of salt over the ice cubes, compare the melt downs.

This science fair project teaches students about wilting and browning of salad greens.

Is garlic antibacterial? Antimicrobial? Kids find out by using common kitchen equipment and ingredients in this cool and easy microbiology science fair project.

Learn how to make a hygrometer to measure relative humidity in this project. Make a sling psychrometer hygrometer with gauze, thermometers, and a bottle.

Did you even wonder why some rocks are round and smooth while others are broken up into small pieces?

When you cut a flower to put into a vase, it'll eventually wilt, even with water and sunshine. But is there another scientific secret to keeping flowers fresh?

Build a magnetic linear accelerator using a ruler, neodymium magnets, and small metal balls in this fun science fair project exploring magnetic propulsion.

Kids will learn about insulation, heat conduction, and the economic benefits of energy efficient windows in this cool science fair project.

This project examines germs and their spread in households. The goal is to learn how to stop the spread of germs and other diseases.

This experiment examines whether storing your orange juice at different temperatures affects its acidity.

This science fair project idea determines whether the diet and taste preferences of humans relate to their personality.

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

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