This project examines whether and what associations exist between numbers and letters and colors.

This science fair project idea explores the fastest average speed a human can talk.

Explore the belief in astrology as a predictive system.

Consult mechanics, automotive specialists for advice. Build a real engine or a scale model. Test and demonstrate its mechanical properties.

This project examines the affect of temperature on viscosity and surface tension of different liquids.

Get this cool middle school science fair project idea on how to conduct a flame test to detect the presence of certain metals in chemical compounds.

Study structure of the lens found in the human eye and determine whether it is concave or convex. Prepare a ray diagram, formulate hypothesis.

This science fair project idea determines if the temperature of rubber effects how high it bounces.

Quench your thirst with great tasting lemonade while you explore the concepts of acid and base, and how these differ from sweet and sour.

Measure the effectiveness of detergent containing a UV-absorbing compound in blocking UV-A radiation. Use black light and UV detecting beads.

Science fair project which simulates the global conveyor belts on a small scale, and observes the effects of wind, density and temperature on water movement.

Science fair project in which you will start a fire from scratch without using matches or a lighter.

Science fair project in which you will graft branches from different fruit tree onto a root stalk.

Get a fun science fair project idea for high school students on the basic and current information on the process of propulsion.

Explore joule heating and resistance vs. temperature with this cool electricity science fair project that gets kids melting ice cubes with resistors.

Do you think you could walk around upside down -- with your feet in the air and your head on the ground?

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.

In this project, create and examine garden mulch to find out what critters live in the messy, muddy layers just above the soil.

Kids will learn how to clean fish tank the natural way. Add catfish to the tank and see if your water gets cleaner.

In this project students experiment with making music using only glasses of water.

This project will explore whether test subjects, deprived of points of reference, will, in attempting to walk a straight course, walk in circles.

This science fair project idea explores how far the average human can see.

This science fair project idea explores whether dogs do look like their owners.

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

Read on this high school science fair project idea to get basic information on the process of heat transfer and the conditions under which the transfer occurs.

This science fair project idea explores the different properties & interactions of sugar molecules.

This science fair project challenges students to research and interact with the animals and plants that live in tide pools and test a practical use of tidepools

Science fair project that tests how heat affects the chemical reaction between a seltzer tablet and a glass of water.

Discover whether cheap saline solution bottle cleans and disinfects just as well as more expensive kinds formulated with different ingredients.

This experiment strives to determine if tracking of conservation habits will lead to reductions in a family's electricity and water bills.