This experiment explores the most common colors that appear among a sample of crossbred guppies.

Investigate how to keep your fruit fresh for longer. The purpose of this science experiment it to determine which kind of bag best preserves fruit.

Do lefties just write different or are their brains different? This science project has students explore what it means to be left handed.

This interactive project invites science fair-goers to participate in examination and recording to demonstrate the importance of firsthand observation.

This project examines Newton's First and Second Laws of Motion with a bicycle and water balloons.

Explore if planting seeds in a certain direction will affect how fast it germinates.

In this science fair experiment, high school students determine if all proteins denature at the same temperature.

In this experiment you observe and determine how well your cat uses his whiskers to navigate through a maze.

In this experiment you will evaluate whether praise improves athletic performance.

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

Science fair project that determines whether spreading a moss soup over an area increases moss growth.

Make a backbone model to explore human anatomy and life science.

This science fair project idea demonstrates sonar mapping of the ocean floor.

This science fair project demonstrates the principles of reflection through simple experiments involving mirrors and light.

This experiment will explore how mallets of various materials and weight create sonic tones of varying lengths.

This science fair project idea focuses on the use a conductivity device to determine the ionic concentrations of hard water.

The objective of this science project is to determine whether a sweet tooth is most likely an inherited trait or a learned behavior.

Total alkalinity and pH personal care products are controlled to prevent skin irritation. Learn more about basic and acidic substances in this science project.

In this experiment, you'll make a seafloor spreading model to learn more about how plate tectonics work and create mid-ocean ridges.

Determine how different measurements of the same object might yield different values. Provide as many reasons that you can think of.

How fast does light travel in different mediums? Kids conduct a cool refraction experiment in materials like water and air for this science fair project.

How does smell affect taste? Ready your taste buds--in this project, you'll gather some test subjects and do a taste test to see how much smell affects taste.

Science fair project that helps visualize how the human brain functions by constructing a model of a brain.

In this experiment, young ecologists will learn about a type of edge effect: how trees and plants at the edge of a forest can act as a weed filter.

Science fair project idea that compares number and relative sizes of leaf stomata. Collect leaves of plant species, identify, observe stomata with microscope.

Determine if each hemisphere specializes in dealing with specific functions. Include illustrations of the brain, it hemispheres.

Kids will build a turtle habitat in order to observe the climate preferences of this cold-blooded reptile.

Learn how to relight a candle by lighting the vaporized wax in the smoke, and test how various kind of wax and candle brands relight differently.

Science fair project that uses iodine solution to demonstrate how starch is turned into sugar when it is chewed in the mouth.

This experiment explores whether caffeine improves athletic performance.