In this popcorn experiment, students can explore how two things made out of the same material can have very different appearances and densities.

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

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

Science fair project that examines how yeast grows, and which conditions allow for optimal growth. What types of nutrients does yeast prefer?

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.

In this experiment we will be determining whether birds prefer certain colors of seed.

Science fair project that determines whether mass and weight are the same or different.

This science fair project idea determines if the temperature of rubber effects how high it bounces.

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

Do lefties just write different or are their brains different? This science project has students explore what it means to be left handed.

In this experiment you observe and determine how well your cat uses his whiskers to navigate through a maze.

This science fair project demonstrates the principles of reflection through simple experiments involving mirrors and light.

Science fair project idea which teaches you how to make butter by separating cream into butter and buttermilk.

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

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.

Construct batteries that make electricity from fruits with this fun science fair project.

These science fair experiments demonstrate the chemistry of rust and the oxidation process.

This science project challenges students to study deer behavior in their natural habitat- the feeding patterns, social behaviors, male to female ratio, etc.

Demonstrate how to tell the age of an egg without having to crack it open.

In this science fair project, learn how to make gears and find out why they transmit torques in predictable ways.

In this science fair projects, students will grow out the bacteria that collect on air conditioner filters.

This science fair project examines how seeds hitchhike on animals and clothing.

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 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.

Find out which type of sponge holds the most water.

In this fun experiment, learn about brand awareness and the influence of media on children by testing logo recognition in different age groups.

Science fair project that determines whether tapping a pomegranate with a spoon helps it release its seeds.

This science fair project will help students learn about non-vascular plants, such as mosses.

Create a DIY Electromagnet! Using a 9v battery to create an electrical field around a nail, students explore electromagnetism in this cool science project idea.

Science fair project that determines whether lettuce that is harvested gradually yields more produce than lettuce that is harvested all at once.