Is cleaning with lemon effective? Get ready to give this science project some elbow grease and find out if acidic lemons can be used as a cleaning agent.

The moon doesn't produce its own light, so why can we see it shining in the sky? Learn about reflection and planetshine in this fun and easy science project!

How would you dry your wet clothes if your dryer didn't work? Find out with this fun experiment!

This science fair project idea examines whether plants are still able to grow normally if they are turned upside-down.

In this physics project, learn about the relationship between light intensity and distance using a laser pointer, flashlight, and graph paper!

Learn about the fruit fly life cycle in this experiment. Capture fruit flies to examine various stages of insect metamorphosis.

Determine if gender affects the ability to identify different smells.

Did you ever add salt to pasta? Did it help cook the pasta faster? If not, find out in this science fair project idea.

Science fair project idea examines validity of mood ring predictions. Analyze accuracy of results, consider the impact of temperature

This science fair project focuses on a polymer called hydrogel super absorbent crystal which absorbs water, swelling to many times its original size.

Spiders don't go to grocery stores or fast food chains to get their food -- they set up traps and wait for their food to come to them!

In this classic Ivory soap experiment, kids learn what happens to different types of soap in the microwave, and why!

This science fair project idea discovers whether there are some objects that do not fall at a constant rate.

This science fair project investigates why the number of visible stars changes from place to place.

Free science fair project idea that examines the differences between cats and dogs. Analyze objective qualities rather than subjective ones.

In this hands-on design challenge your child will make their very own Rube Goldberg Machine.

This science fair project idea determines if crystals will absorb food dye and if colors will mix by the process of diffusion.

This biodiversity project examines the biodiversity in your own backyard.

Check out this fun science fair project to make a vinegar and baking soda balloon and demonstrate how gas is created as a result of the chemical reaction.

Cleaning can be a chore, but not with this sudsy experiment!

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

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.

Future engineers, unite! Discover how to keep a sandcastleâs bridge from falling into the moat.

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

Will increasing the amount of salt in water effect how slow or fast the water freezes?

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

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

This science project explores the concept of being opaque or clear. Can you make something clear opaque? Or something opaque clear?

This science fair project idea explores the egg's thin membrane.

Make water and clay play a little more scientific with this hands-on experiment that teaches displacement and shows how an object's shape affects its buoyancy.