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

This science fair project looks one of the most important factors affecting seed germination: water. A fun and easy plant biology experiment for 3rd graders.

You've heard all about oil spills, but can they really be that bad? After all, vegetable oil is in almost every yummy baking good from cookies to brownies.

In this cool physics experiment, use double plane mirrors at various angles to learn about light reflection. Then, see if you can solve a puzzling problem!

It's rhyme time! With this science fair project idea, your child will find out which words can be considered easy rhyming words, and why.

Science fair project which determines whether a person's taste in music is dictated by the key that the song is written in.

Step into the fantastic world of colors with a project that explores what shade you -- and your friends -- like best.

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.

This science project uses Mohsâ Hardness Test to show kids how to compare the hardness of different types of minerals.

Kids often ask, "how tall am I?" This science fair project seeks to determine how well kids can guess their own heights.

In this free science fair project, build a star clock and learn how to tell time on a clear night by observing the big dipper!

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

The goal of this science fair project is to demonstrate different ways to generate static electricity and record its effects.

Little scientists will make inferences about hearing loss, pitch, and frequency in this great science fair idea that puts the human ear to the test.

In this hands-on design challenge your child will make their very own Rube Goldberg Machine.

Which music genres have the fastest tempos? The slowest? This experiment determines if there's a relationship between beats per minute in a song and its genre.

This science fair project idea teaches how the gases and pollution in the air affect the earth's atmosphere temperature.

This science fair project explains the process of how the lungs expand and contract with the help of the diaphragm.

Get ready for a yummy taste test! Just pour the milk -- and make sure you have some chocolate chip cookies on hand.

Help kids tap into their inner inventor by teaching them how to make peanut butter through trial, error, and lots of taste testing!

Explore scientific concepts with this experiment that introduces kids to the scientific method!

Science fair project that demonstrates the effect of detergent pollution on fresh water birds' ability to stay afloat.

This project determines what category of person is most likely to be ticklish.

Check out this cool science fair project idea to explore which other common animals besides scorpions glow under a UV Black light.

Kids build a desert food chain, desert food web, and desert food pyramid in this cool science fair project to learn about trophic levels and consumers.

Kids will discover the meat science behind the meat they eat, and find out how to use safe chemistry to make meat more tender.

Students explore hot desert plant adaptations in this cool science fair project by observing how these organisms prevent excessive transpiration.

Kids will learn how to show the direction of magnetic field lines and create a permanent model using iron filings in this great science fair project idea.

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

This activity challenges students to use computational thinking as they create a sequence of commands that will make a robot navigate around several obstacles.