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This science fair project idea explores whether color affects a person's emotional state.

Compare ability of selected materials to block UV-A radiation. Shine black light though glass at detecting beads underneath. Note color intensity.

This experiment challenges students to forecast the weather based on the surrounding areas' weather.

Science fair project in which you will stage an election campaign to determine whether people are more swayed by a positive ad or negative ad.

Science fair project that examines albedo, and how this information is applied in the design of cars, sportswear, and other items. Which colors reflect light?

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

Science fair project that evaluates how well clothing fabrics block UV radiation by examining the properties of different fabrics.

Science fair project that compares the properties of different fabrics to determine whether natural or synthetic fabrics are better at wicking away moisture.

What is mulch? Kids will provide soil with a wet blanket of mulch and see if that helps keep drought-stricken soil damp.

This easy and inexpensive paper towel science project introduces kids to important physical concepts like cohesion, adhesion, and capillarity.

In this science fair project, we learn how air molecules move as a result of density, convection, and air currents.

What causes dilated pupils? Young scientists will find out by applying what they already know about changes in pupil size and making models of the pupil.

This science fair project idea determines what household items are good conductors of electricity.

Check out this fun science fair project idea to explore how building on different types of soil affects the relative stability of buildings in an earthquake.

This science fair project idea explores whether it is easier to balance on a narrow ledge or on a rope.

The objective of this science fair project is to determine whether planaria reproduce asexually by regeneration.

What is the Doppler Effect, or the Doppler Shift? The purpose of this science fair project is to determine how distance impacts the Doppler Effect.

Construct calorimeter and determine the caloric value of a sample of foods by change in temperature for each of the foods.

Study the physical and chemical changes that make hair curl or straighten. Study ingredients, function of chemicals like thioglycolic acid.

In this fun science experiment, make a balloon car and test it on different surfaces to learn about sliding friction and rolling friction.

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

This science fair project idea focuses on the production of oxygen by plants during the photosynthesis process.

This science fair project focuses on the use of the enzyme amylase found in human saliva to break down starch into sugar.

Discover whether a metal will expand under hot water.

In this experiment you simulate radioactive decay in order to gain an understanding of the basics of half-life.

Discover flight initiation distance as you play around in the park with this fun bird watching project!

Explore the craters, maria, and highlands on the surface of the Moon! In this fun science project you'll create a 3-D model of the moon using paper mache.

Kids make a paperclip perform an act of magnetic levitation and test how effective various materials are at magnetic shielding in this science fair project.

Science fair project that determines whether mass and weight are the same or different.

This science fair project idea determines whether eating before or after exercise is more beneficial to health and performance.