This science fair project teaches about mold. Students will test different foods to see which grow mold the fastest.

Deck the halls with last season's Christmas lights for a spectacular and electrifying science activity.

The objective of this science fair project is to observe the differences in heat absorption for darker colors vs. lighter colors.

In this science fair experiment about recycling, demonstrate how the wax from a candle can be reused to make another candle.

Conduct a simple science experiment to see if flowers from your garden pass the acid-base indicator test with this exciting chemistry activity.

Explore how you can achieve magnetic levitation with the Meissner Effect! This cool science project explains formation and applications of a superconductor.

This science fair project teaches kids experimental design and how to test if subjects can really sense if they are being watched.

Science fair project that determines whether disinfectant sprays or disinfectant soaps are more effective at removing bacteria from hands.

The objective of this project is to examine the ways in which a passive solar house may contribute to conservation of energy.

Magic, science, or household cleanser? Let your second grader decide with this practical, nontoxic chemistry experiment with acids and bases.

In this science fair project, students will use four different household objects to see which ones form the most or best crystals.

What can you do with hair after its cut? This science project teaches you practical uses for human hair.

This science project challenges students to study the salt content in tap water and learn about electrochemistry.

Invite your middle schooler to bungee jump ... with eggs! This experiment will demonstrate Newton's laws of physics in an entertaining way.

The objective of this science fair project is to experiment with balancing everyday objects and observing the the effects of gravity on materials.

This science fair project determines whether the types of plants growing in a Pacific Northwest rain forest environment are influenced by the soil acidity.

This science project has students study a group of volunteer liars actively lying to study the behavior of a lie. Students see if they can figure out the truth.

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

In this science fair project, apply the principles of leverage and force by building six simple machines designed to set weights in motion.

The objective of this science fair project is to observe the properties of friction and apply this knowledge to search for a near-frictionless surface.

This biodiversity project examines the biodiversity in your own backyard.

This fun science fair project idea helps students learn how acid rains are formed and explore how acid rain damages the environment.

Science fair project which determines if plants really do need water to grow, or whether they just need to be kept wet.

This science fair project idea explores what it takes to create a biosphere, or a self-sustaining ecosystem.

This science fair project idea compares biodiversity between drops of water.

Science fair project that determines whether landscaping fabric impacts the ability of plants to receive water.

The objective of this science project is to determine whether a sweet tooth is most likely an inherited trait or a learned behavior.

Determine whether the application of Febreeze will lower the bacterial count.

Are red apples really sweeter than green apples? The objective of this science fair project is to test the theory with quantitative evidence.

How do crystals form? In this science fair project, students will use three different saturated solutions to see how different minerals form crystals over time.