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

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 fair project idea determines the most effective method of preserving food.

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.

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

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.

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

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.

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.

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.

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.

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

Determine if left-handed people have faster response times.

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.

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

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

This science fair project idea shows kids how to grow mold and whether mold grows better in dry or moist conditions.

Science fair project that determines whether lettuce that is harvested gradually yields more produce than lettuce that is harvested all at once.

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

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

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!

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.

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

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