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

This project investigates the affect of storage temperature on microwave popcorn.

Get your sense of humor ready for this fun science experiment that demonstrates the fundamental physics of air pressure.

This science fair project idea investigates the ability of different whitening toothpastes to whiten teeth.

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

Encourage local wildlife to settle down in your backyard with this adorable bird nest craft.

How powerful is the reaction between baking soda and vinegar? Find out here!

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

This science fair project idea investigates how a bottom keel helps keep a boat from rocking back and forth.

Ever wondered how a plant drinks water? This science project will teach you how and help you create a beautiful floral display!

Who knew that you could make beads out of rose petals? Not only can it be done, but the beads smell wonderful!

Ready for takeoff! Make science fun and teach about levers and fulcrums as your child sends buttons flying.

This project determines whether Styrofoam, paper, or plastic cups are best for preventing ice from melting.

Saturn is the ringed planet in our solar system, a gas giant with rings made of ice and dust. Let's make a cool scale model with an old CD and some glitter!

What is a compound microscope? Kids find out by making one of their own in this cool science fair project.

Your kid can learn about the process of making frozen yogurt and enjoy a homemade, flavorful dessert. Experiment with this fun, chilly food!

Test whether plants can grow without sunlight and water.

This science experiment has students test whether a snail moves faster on concrete or dirt.

This science fair project idea explores how length affects the weight a bridge can hold.

Making your own glass cleaner is easy, effective and inexpensive!

Learn about savanna flora and fauna in this science project! Take a look at characteristics of tropical grassland plants and animals that help them survive.

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.

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

Create a brush pile to help wintering wildlife stay warm and cozy through the winter.

This science fair project idea explores substances that cause a bubble to last longer.

Check out this cool science fair project idea that models the behavior of the cold desert plants: xerophytes and halophytes.

Learners hypothesize about and experiment with soil erosion in this hands-on activity.

Combine the science of physics with the fun of playing spy. Your young detective can make his own tiny looking glass. It's simple to make!

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