The objective of this science project was to build a model of a volcano and observe reaction between different substances, including baking soda and vinegar.

Study how we perceive color by exploring optical illusions such as pointillism, digital images, and Ishihara tests.

Science fair project that determines which materials cause the most friction by sliding blocks of wood down a ramp.

Check out this fun science fair project idea to determine if the size of a particle affect the rate or speed of a chemical reaction.

Learn about the field of psychophysics and to learn about "Just Noticeable Differences."

In this science fair project, kids observe the expansion of liquids when frozen and determine if some liquids expand more than others in the freezing process.

In this science fair project, students investigate how different colors influence appetite.

The objective of this science project is to determine the length of time for different seeds to germinate.

This science fair project tested various nose cones to determine which would be the most ideal shape for propelling a water rocket.

This science project investigates the influence of different genres of movies on appetite.

This project explores ways to prevent static electrical shocks.

This project is about after-images and what possibly affects them.

Science fair project that demonstrates how a rainbow forms, by using water to split white light into its many colors.

Cookie catastrophe! In this project you will determine if different types of cookie sheets can cause cookies to bake differently.

Demonstrate and explain holographic technology. Determine if a holographic image of a magnifier still magnifies the object beneath it. Explain the effect.

2011 VIRTUAL SCIENCE FAIR ENTRY: The objective of this science fair project is to develop a microcontroller and circuit that can conduct electricity.

Science fair project that studies how the brain transforms man-made symbols into meaningful concepts.

This science project examines the effectiveness of various types of laundry detergents on stains trapped on a white handkerchief.

This project explores what happens to a rubber band when it is heated and cooled.

This experiment investigates if stress alters body temperature.

This fun science project explores the climate change over the course of the history of Earth and helps construct a diorama representing a geologic time period.

Determine which factors promote the greatest memory interference. Administer test, time how long it takes subjects to complete different tasks.

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 fun science fair project idea helps students learn how acid rains are formed and explore how acid rain damages the environment.

This science fair project idea compares biodiversity between drops of water.

This science fair project idea explores how enzyme inhibitors, active sites, non-competitive enzyme inhibitors, and substrates work.

Administer IQ tests to volunteers. have one group practice typical IQ test problems. Then compare results of the two groups.

Watch pre-packaged seeds and seeds taken from inside fruits and vegetables grow. Which ones will grow faster? Read more in this science fair project idea.

Examine whether males or females are more likely to have a higher center of gravity.

Demonstrate that insects observe colors and choose favorites. Place colored pieces of construction paper on a flat, glassy surface, observe bug preference.