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Young scientists will investigate people's preferences for saltiness, and make some inferences about genetics and diet.

In this science fair project idea, kids make water dance on the surface of a hot pan with the Leidenfrost Effect.

Learn about the right-hand rule for magnetic force! Use a cathode ray tube in this physics experiment to see a magnetic field's effect on an electron beam.

Here's a classic celery science experiment that uses celery and food coloring to demonstrate how plants absorb water.

This science fair project idea determines which flower lasts the longest.

This science fair project idea produces consumable fresh water from salt water through desalination.

Satisfy your kindergartener's fascination of different sounds with this easy science project, where they'll use their ears instead of their eyes to identify sounds!

This project explores whether the tempo of the background music we hear in a businesses is important to the environment and how customers move.

Free science fair project idea that examines the ergonomics of your environment. Redesign your living space to be better suited to your lifestyle.

This project analyzes people's emotional responses to images in painting vs similar images in photographs.

Help your child make a beautiful homemade sandcastle that will last!

Consult mechanics, automotive specialists for advice. Build a real engine or a scale model. Test and demonstrate its mechanical properties.

Study blind spots, run experiments in blind spot detection, design an original blind spot experiment, test your design on volunteers

Gather some friends for a bubbly soda taste test do determine calories' role in your favorite drinks.

This science fair project idea explores if an LED light can be powered by vegetables and/or fruits.

This project uses science and art to help students learn and teach others about Earth's endangered and extinct species.

The purpose of this science project is to determine which stimulus, gravity or water, will cause the greatest growth response in a plant.

What better way to nurture your child's imagination than by making a fairy house out of materials found in nature!

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

The goal of this science fair experiment is to demonstrate the effects of air pressure on objects and analyze applications of air pressure principles.

Learn the anatomical and physiological differences between central and peripheral visual systems.

The purpose of this science fair project is to build a basic radio.

Science fair project which will teach you more about the foods that you eat, and learn which ones are healthier choices.

The fish most kids see is usually filleted, and it's hard to see how it came from a lake or sea. This cool gyotaku activity blends life science with art!

Your kindergartener will make prints of his favorite fruits and vegetables and learn how to organize and assemble his very own book.

In this project, all you need is a protractor to learn how to use the altitude of Polaris to find latitude on Earth. Polaris is also known as the North Star.

Does putting soapy water on plants help or hinder plant growth? Kids learn about greywater and how it affects plant growth in this cool science fair project.

This is a fantastic and easy science experiment where kids will learn about elasticity by testing how high bouncy balls of different materials can bounce.

In this fun science fair project idea, kids will experiment with various methods in order to discover the fastest way to cool a soda.

Kids will learn how to make a steam powered rocket boat, also called a putt putt boat or a pop pop boat, in this great science fair project for 4th graders.