How do animals keep warm? In this experiment, find out whether fat insulation resists cold temperatures and learn how this works in the animal kingdom.

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

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

This science experiment examines the role of fat in food, especially in making bread rise and whipping cream.

This science fair project idea determines if the size of the parachute will change the rate at which an object falls.

Are you ready to be a detective for science? Then get out your magnifying glass and start studying fingerprints!

Science fair project which determines whether the size or the thickness of a piece of paper has an effect on how many times it can be folded in half.

This science experiment tests whether warm or cold water works best in making cut flowers last longer.

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 idea that examines different physical characteristics of a chosen animal. Make educated guesses about evolution based on animal's form.

In this free science fair project idea, we learn about surface tension and how it can support mass—in this case, a floating paper clip.

Kids will build a turtle habitat in order to observe the climate preferences of this cold-blooded reptile.

This science fair project teaches students the differences between fruits and vegetables.

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.

Stories change as you retell them. The objective of this science fair project is to demonstrate how information gets interpreted, distorted and changed.

Do different types of oil mix or stack? Find out in this science fair project idea!

Science fair project that examines the different types of precipitation, evaluates the density of snow and calculates the ratio of snow-to-liquid.

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

Science fair project that determines whether cooling eggs helps them be peeled more easily. Compare the time it took to peel each egg.

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.

Take a closer look at your furry friend (or the furry friend of a neighbor -- with permission) to discover if communication exists between cats and humans.

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

Science fair project that examines the behavior of water and gravel in creek beds and the formation of sedimentary rocks.

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.

Can you imagine a sky filled with bright, colorful bubbles? Make this whimsical scene come alive with bubble science!

In this science fair project, students use the streak test to tell minerals apart from each other.

This experiment challenges students to forecast the weather based on the surrounding areas' weather.

There are many benefits to bugs and insects. This science project shows how cockroaches, termites, and other critters benefit our planet.

Play with balance and simple engineering as you hurry to create a sturdy rock tower.

Science fair project that develops latent fingerprints on a non-porous objects by converting superglue from a solid state to a gaseous state.