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.

Would it hurt to skip brushing your teeth just this once? Let's find out by seeing which foods produce the most mouth bacteria.

This project explores whether nails, toothpicks, straws, or pen nibs are best for applying ink to paper.

The objective of this science fair project is to study the photosynthesis process and demonstrate the important role that leaves play in the process.

Have you ever noticed the ridges on a dog's nose? In this project, we take several dogs' nose prints and discover just how unique they are!

Does skin thickness really decrease fruit spoilage? Find out in this science fair project idea!

This basketball project explores the best way to make the perfect shot every time.

In this simple science project, learn about what causes dew and what affects dew formation with a drinking glass, ice, and a soda bottle.

Does electricity move better through thick wires or thin ones? kids will conduct this classic electricity experiment for this science fair project.

Want to see a great example of Newton's first law? Kids will learn about basic physics with this fun, ballistic experiment.

Students pit the heat capacity of water against the heat capacity of oil while looking at the effects of dipole rotation in this cool science fair project idea.

This project examines what types of objects burn and which burn faster and cleaner.

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

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

Check out this science project idea to compare organic produce to non-organic produce and how preservatives in food extend the shelf life of goods.

This science fair project idea investigates how magnetism can defy the force of gravity.

In this science fair project, students create their own miniature salt flats at home.

This experiment will evaluate if chewing gum affects students' test performance.

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

In this science fair project, we learn how air molecules move as a result of density, convection, and air currents.

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

This project examines if computer screen and text color affect retention and if people subconsciously prefer combinations of colors that help their retention.

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

Determine whether butterflies like to drink sugar water, salt water, or plain water.

Learn whether Mylar Balloons last longer than Latex Balloons or vice versa.

Take a dive into the candy jar with this yummy science experiment.

Learn about magnifying glasses, concave lenses and inverted images by sending rays of light through a magnifying glass in this cool science fair project!

How good are humans at sound localization? Kids can try this cool science fair project idea to see how good their friends are at judging sound direction.

This science fair project idea investigates the difference in reaction times between boys and girls.

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