Find out if most people can distinguish the difference between tones on different instruments.

Free science fair project idea that examines the differences between cats and dogs. Analyze objective qualities rather than subjective ones.

In this science fair experiment, students learn about the scientific principles behind Doppler ultrasound.

This experiment evaluates how much influence an enticing package has on childrensâ willingness to try a new snack.

Look at people's face shape. Do you think their face shape affects your perception of kindness? Find out more in this science fair project idea!

Learn how acid-base catalysis affects enzymes and enzymatic reactions in this science project.

This activity will help your child review science concepts, learn new ones, and become familiar with examples of various concepts in science. Plus, it's fun!

This science fair project examines how carnivorous plants digest insects, and whether the plant can use nitrogen in the soil to compensate for lack of insects.

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

Science fair project which measures whether tsunamis are more destructive when they are caused by an earthquake or by a meteor.

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.

Determine the relationship between the speed of a sound and the temperature of the air it passes through.

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

In this fun science fair project idea learn about the multiple sources of radio waves and fin out how difficult it is to block them.

This project will examine the relationship between wind velocity and direction and the distance a baseball travels.

This experiment will explore if magnetism has any effect on the regeneration abilities of flatworms.

This experiment evaluates whether there is a relationship between grade point average (GPA) and dating status.

This science fair project idea examines various dead zones and investigates the cause and how it can be fixed.

This experiment will explore how manipulating a graph of historical information might reveal new information about data.

This experiment examines whether social orientation (extroversion or introversion) is correlated with memory.

Why are some pennies shiny and others dark and dull? Find out with this cleaning copper coins experiment, which transforms dark pennies to bright ones.

Science fair project that determines which foods and drinks contain the highest amount of glucose.

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

This project explores differences in people's reactions to images in color and images in black and white.

The purpose of this science project is to determine whether the amount of air in a soccer ball affects how far it goes when kicked.

Roasting pumpkin seeds makes for a great Halloween activity, and a healthy snack!

Find out which kind of bubble wrap fares best when put in impact.

This science fair project focuses on a polymer called hydrogel super absorbent crystal which absorbs water, swelling to many times its original size.

How much water comes out of snow? Explore this timely question with your kindergarten scientist with this easy winter experiment.

This experiment examines if space objects become round after reaching a certain mass.