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

In this simple circular motion experiment, you'll observe tangential velocity and learn about how acceleration and centripetal force affect an object.

This science fair project idea investigates the hardness property of minerals.

Learn about the field of psychophysics and to learn about "Just Noticeable Differences."

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.

Is there any correlation between hot tubs and high blood pressure? Kids discover the answer (and its biological basis) in this cool science fair project.

Did you even wonder why some rocks are round and smooth while others are broken up into small pieces?

This project explores whether plants can live and grow when "watered" with juice, soda, or milk.

Challenge your learner to design and build a city of their own in this creative engineering activity.

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

Science fair project that examines what causes thunder and why a thunderclap sounds so loud. How is lightening related to the creation of sound waves?

In this science fair experiment, children demonstrate the relationship between the amount of stuff and the amount of pressure in a closed system.

Do plants get crowded? Have your curious kid investigate how plants respond if they're forced to grow together in a confined space.

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

What happens when "coffee-addicts" miss coffee for 1 day? Find out in this science fair project idea!

In this challenge, students are tasked with creating a car that can be powered by a balloon!

This baseball science fair project explores the concept of an object's center of percussion to determine if the "sweet spot" has a scientific basis.

In this fun experiment, we'll find out how color affects heat absorption!

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.

Learn how different types of soil affect how animal tracks form in this experiment!

This experiment will explore the possibility of a connection between lunar cycles and how humans are affected.

This project is a vivid, concrete introduction to the basic but important idea that plants need sunlight and water to grow.

Evaluate if people are more influenced by video or audio advertising.

Determine which material produces the strongest static charge.

This science project investigates the influence of different genres of movies on appetite.

Measure the densities of various fruits and vegetables to determine if there is a relationship between density and nutritional value.

Science fair project which uses a camera to observe the surface of a balloon in the moment of its explosion.

Learn how to make a hygrometer to measure relative humidity in this project. Make a sling psychrometer hygrometer with gauze, thermometers, and a bottle.

Kids will create their own version of Richard Feynman's rubber band heat engine to learn about thermodynamics with this cool science fair project idea.

Build a magnetic linear accelerator using a ruler, neodymium magnets, and small metal balls in this fun science fair project exploring magnetic propulsion.