What animals are most popular? This project affords practice in data-collection, record-keeping and data-analysis through the investigation of this question.

Demonstrate how you can make your own compass using a magnetized needle. It also allows you to compare magnetic north and geographic north.

Kids make a paperclip perform an act of magnetic levitation and test how effective various materials are at magnetic shielding in this science fair project.

Science fair project which measures the shadow cast by a meter stick at various times in order to predict the circumference of the earth.

What is a series circuit and how does it work? Learn about voltage, electrical current, and resistors in this cool science experiment!

Slime: It's oozy, it's goopy, and it's just plain fun! Learn how to make slime with this fun science fair project.

This awesome diffraction grating experiment puts high school students' applied math skills to the test by having them calculate the wavelength of laser light.

Learn how to make an anemometer with step-by-step instructions in this cool science fair project idea for 4th grade.

This science fair project demonstrates the magic of arches by challenging students to stack telephone books on top of eggs without breaking them.

Science fair project the demonstrates Newton's Third Law using a milk carton filled with water.

This science fair project evaluates which sense produces the fastest response time: hearing, touching, smelling or seeing.

This experiment will evaluate how texting and talking on cell phones influence reaction time.

What does a raindrop look like when it splashes on the ground? Is each raindrop unique like snowflakes? Find out how raindrop size varies in this experiment.

Students will investigate the illumination durations and intensities of different luminous substances of different colors of the spectrum.

What are the effects of colored light on plant growth? Explore plant behavior in this cool botany science fair project and learn about phototropism!

In this science fair experiment, kids will use the acid test to discover how to tell one mineral from another.

Hold a magnet marathon! Explore the power of magnets with your kindergartener in this entertaining and simple science game.

Kids love the dramatic Mentos and Diet Coke experiment conducted in this awesome science fair project.

What is persistence of vision? With this hands-on science fair project idea, students will demonstrate this cool and dramatic phenomenon in their own classroom.

Check out this cool and free middle school science fair project idea on how to make a solar oven.

This science fair project idea explores plant growth from a bulb, root, and a stem and investigates asexual plant reproduction.

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.

Science fair project which measures the amount of heat energy released by a burning candle by calculating how many calories of heat it emits.

Thermometers are how we measure temperature, and we've all heard the terms "centigrade" and "Fahrenheit" tossed around, but what do they really mean?

Determine the efficiency of multi-tasking by comparing how long it takes students to complete different tasks. Collate data, complete Summary Chart.

Science fair project that determines how we can change potential energy into kinetic energy.

examine how passive solar heating works, measure temperature in a parked car on a sunny day. ways to use passive solar heating as an alternative, energy

Soil and energy don't go together, right? That would be as bizarre as a pairing of peanut butter and marshmallows! Well, actually...

This science fair project idea explores if objects dropped from a high distance will equal a greater impact force than the object dropped from a low distance.

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