This project demonstrates the correspondence between the volume of water displaced by a submerged object and the volume of the object displacing it.

In this cool science experiment, learn about magnetism and poles, and test magnet strength to find out if two magnets are twice as strong as one.

How does a compass work? What's a magnetic field? Kids will build their own compass at home to find the answers in this great science fair project idea.

Is it possible to trick the forces of nature that make your bubbles round to create a square bubble?

Here is a fun middle school science project on factors affecting solubility. Learn how dissolved solids can "crash out" to form crystals when conditions change.

In this free science fair project, learn how to separate salt from water using heat. A great science project for elementary school kids.

Use pepper and soap to discover some fun facts about the properties of water.

Test your friends to find out if you can replicate the placebo effect's incredible results.

In this science fair project, kids will be able to see where germs reside on their hands while gaining insight into the benefits of thorough hand washing.

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.

This science fair project idea explores how enzyme inhibitors, active sites, non-competitive enzyme inhibitors, and substrates work.

This science fair project idea explores whether white light can be separated into different colors.

What is a wedge? Kids find out by experimenting with different wedges in this simple 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.

Build a 3d animal cell model with this cool science fair project, which helps kids visualize and understand the function of a cell's parts and organelles.

Learn how to tell time by the sun with this cool science fair project idea that tracks how the accuracy of a sundial changes over time.

This science fair project idea investigates the hardness property of minerals.

This classic children's game demonstrates how sound travels through air vs. through a solid.

This science fair project idea determines what household items are good conductors of electricity.

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

This science fair project idea investigates which objects float and sink in honey, water, and oil.

Using an empty tennis ball can and a swimming pool, you will determine if it's possible to have a conversation under water.

Make a backbone model to explore human anatomy and life science.

This science project lets students explore the number of spots on a ladybird and how to treat ladybugs with respect.

Discover whether a metal will expand under hot water.

In this science fair project you will make a model of a cell membrane using very simple material.

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

This science fair project idea demonstrates how air resistance contributes to denser objects falling faster than less dense objects.

Marshmallows are made of sugar, water, and air pockets. Since the marshmallow is flexible, will air pressure cause it to expand when heated in a microwave?

Have you ever wondered how many numbers most people can memorize? Test your friends to find out!