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 determines the most effective method of preserving food.

In this challenge, students are tasked with creating an insulated cup that will keep beverages colder for longer than a regular cup.

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.

Do human lie detectors exist? Charge up your powers of observation to see if you can tell a lie from the truth.

This experiment investigates the relationship between the temperature of a candle and its burn rate.

Explore whether pianists have the tendency to type faster than non-pianists.

Help your child create a written message and practice their letters using sticks they find in nature. Here's how to get started.

The goal of this science fair project is to identify the galactic center of the milky way using globular clusters, as found through Google Earth.

Here's a fun science experiment that's refreshingly tasty too! Turn regular water into a tasty treat perfect for consuming on a hot day.

Determine whether cats have dominant paws. Observe which paw cat uses to reach for treats, feather, and string. Calculate percentage for two paws.

In this activity, your child will be challenged to create a device that protects an egg when it is dropped from a height of about 10 feet.

The goal of this golf science fair science fair project is to determine whether the temperature of a golf ball affects its elasticity and its rebound.

Check out this cool science fair project idea to explore various aspects of projectile motions like mass, angle and distance.

The purpose of this project is to determine if there are fluctuations in the rising and the setting of the sun and the position of the earth as it rotates.

Here's a science experiment that gives your kids a chance to see how fire needs oxygen to burn, with a little math and writing practice thrown in.

This science fair project idea discovers whether plants grow best in chemical fertilizer, organic fertilizer, or with no fertilizer at all.

This experiment evaluates whether the phenomenon of "choice blindness" occurs more often with men or women.

Determine if left-handed people have faster response times.

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

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

In this science fair project, students examine how the flow rate in a stream affects the growth of aquatic plants.

Science fair project that determines what percentage of air is made up of oxygen by examining the chemical reaction between oxygen and rust.

This activity is a fun way for your first grader to learn about how veggies help your body while being creative with art and drama. Here's how to get started.

Alive or not? This yeast experiment you can conduct with your little scientist explores the answer to this timeless question.

How does mold grow? Kids find out by testing different conditions to measure mold growth rate and learn about what factors cause mold to grow more quickly.

This science fair project idea explores whether the process used to dry the beans we eat for food renders them unviable.

While your cells are much too small to see without a microscope, you can create the look of a cell in your very own home with just an egg and vinegar!

Find the North Star, and measure your latitude! The purpose of this science fair project is to find latitude and learn about geographic locations.

This science fair project idea studies how talking on a cell phone affect driving?