Do thick liquids flow faster than thin liquids? Examine water and syrup's viscosity and inertia to learn about the Reynolds Number, laminar and turbulent flow.

Kids use applied math to build and test a parabolic mirror solar hot dog cooker in this cool engineering science fair project idea for middle school.

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

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 whether dogs can be trained faster using a food reward or praise.

When you rub a balloon on your head, your hair stands up; but is that true for everyone? Does hair color affect static electricity?

The objective of this science fair project is to examine the effects of temperature on salt and water solutions, as they form crystals over time.

Science fair project in which you will examine how crystals are formed by creating your own crystal using charcoal briquettes, salt, and ammonia.

The objective of this science fair project is to explore the relationship between acidic and basic compounds.

Determine which environment keeps an ice cube frozen for the longest duration. Inspect and record your observations when cubes melt.

The goal of this science fair project is to evaluate the effect of heat on sound wave frequency.

This science fair project idea studies the differences in gender perception between people.

Determine whether the application of Febreeze will lower the bacterial count.

Get a cool science fair project idea for middle schoolers on the effect of adding sugar to the growth of green plants.

Is there a relationship between caffeine and heart rate? Students will determine the effect of caffeine on heart rate in this fun science fair project.

This project examines the amount of saltwater required to affect the growth of plants and subsequent effects on growth and development.

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

Which type of sunglass lenses gives you the best protection from the sun's harmful UV rays? Find out in this cool science project!

Check out this free high school science fair project to explore the physics of the Coriolis effect with a homemade Foucault Pendulum.

Here is a fun middle school science project on factors affecting solubility. Learn how dissolved solids can "crash out" to form crystals when conditions change.

How does bleach kill bacteria? Kids find out in this impressive bacteria science fair project by testing different concentrations on a safe strain of E. coli.

This science project researches the correlation between barometric pressure and wind velocity.

This project involves the programming and development of a 3D Rubik's Cube application using C++.

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