Get this cool science fair idea to explore how arctic tundra animals change their behavior and adapt to survive in long, cold winters.

Check out this cool science fair idea on why hard fruits become soft and learn how to compare the sugar content between ripe and unripe fruits.

This science fair project idea examines the distance a person travels on an average day and to relate that to an understanding of the size of the Earth.

Prove that the Earth is not flat. The objective of this science fair project is to measure the angle of the sun and calculate the circumference of the Earth.

Science fair project that guides you through how to test the humidity in the environment using a homemade psychrometer.

This science project teaches students to classify different shapes of leaves.

In this experiment, recycled objects are separated to demonstrate how mixtures are made and the variance in the physical properties of their ingredients.

Science fair project which measures the amount of heat energy released by a burning candle by calculating how many calories of heat it emits.

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

Science fair project which helps you determine your latitude by using an astrolabe, which measures the angle between the North Star and the horizon.

What are the benefits of good posture? Kids will learn about the cognitive effects of good posture through conducting and observing a controlled experiment.

How does distance affect the spreading of light? Kids see diffraction and the inverse square law of light in action with this great science fair project idea.

Learn about the effect of artificial light on plant growth versus natural sunlight and delve into some biology and botany concepts in this science project.

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.

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

This basketball project explores the best way to make the perfect shot every time.

Science fair project that explains and demonstrates the parallax principle.

Check out this cool science fair project on identifying rocks and minerals for kids.

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.

In this science fair project, kids measure how weather conditions affect how fast a puddle evaporates.

Check out this fun middle school science fair project idea on Newton's third law of motion and how you can change the speed of a rocket.

This cool and easy elementary school science fair project idea provides the basic information on the use of our senses to experience the world about us.

In this physics project, you'll learn how to find the maximum height of a projectile using some math and trigonometry.

In this science fair project, students make their own rain gauge to measure rainfall.

This study evaluates if electronic devices commonly found in most households emit radiation, and if they do, how much?

Test the placebo effect in different groups of people.

Evaluate whether people can raise the temperature of their finger using the power of their thoughts.

This science fair project idea explores whether a plastic slinky works as well as a metal slinky when walking it down the stairs.

This science fair project idea discovers which brand of bubblegum produces the largest bubbles.

Why do plants wilt? Kids will learn to think critically about what environmental factors affect plants, and what plants need to survive.