How does a flashlight work? Kids will make a complete circuit and explore how voltage contributes to brightness with this science fair project idea.

How does distance affect the spreading of light? Kids see diffraction and the inverse square law of light in action with this great science fair project idea.

Learn how to demagnetize a magnet and how physics can explain this phenomenon with this enlightening science fair project.

This science fair project investigates why the number of visible stars changes from place to place.

Kids will make predictions about cricket behavior by conducting this fun and easy experiment which simulates different environments for crickets.

This simple heat transfer experiment is a great introduction to the concepts of heat transfer and conduction.

This science fair project idea examines which type of insulation holds in the most heat.

Kids will make a beautiful rainbow in a jar and learn what enables different types of liquids to remain distinct in separate layers.

The objective of this science fair project is to examine the basic principles of air pressure using simple materials like a balloon, straw and string.

Examine which metal conducts more heat by boiling water in 3 pans made of aluminum, copper, and stainless steel.

Observe corn seed germination to learn about dicots and monocots and how plants grow from seeds to seedlings to full-grown plants!

The goal of this project is to create an exciting topographical map out of dough.

Discover how to make fake snot with this cool science fair project idea to learn about polymers, enzymes, and more.

Learn how to make a ping pong ball anemometerâa device used to measure wind speedâin this free science fair project idea.

Can a horse lead itself to the carrot? Train your horse with carrots and boxes and test horse memory in this fun zoology science fair project.

What's the chemistry behind dyeing Easter eggs? Will adding vinegar to dye help the eggshell absorb the color? This colorful science project has the answers!

This science fair project idea examines whether the colors of the spectrum respond differently in the thermal aspect when radiated by the sun.

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!

Be a chemist for a day and study the simple reaction between sugar and heat. Try heating sugar and see what happens!

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.

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

Learn about this simple machine and make a pulley of your own to use for fun science trials.

Future engineers, unite! Discover how to keep a sandcastleâs bridge from falling into the moat.

This science project teaches young students about germs, bacteria, and the importance of washing their hands. Students will test what is the best way to wash.

This science fair project creates a visual model of whatâs happening to sound waves as a car approaches and then leaves.

In this science fair project, you'll make a "ghost" appear in a test tube, and learn about what happens when hot water and cold water interact.

Science fair project that determines whether landscaping fabric impacts the ability of plants to receive water.

Does the temperature of a magnet affect its strength? Learn about the relationship between magnets and temperature with this cool physics science fair project.

How can we describe the relationship of magnetic field strength vs. distance? Kids will find out with this free science fair project idea.

Learn about the role of Earth's rotation on the Coriolis Effect and hurricanes in this science project. Model the Coriolis Effect on a hurricane's direction.