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.

Examine which metal conducts more heat by boiling water in 3 pans made of aluminum, copper, and stainless steel.

Make a backbone model to explore human anatomy and life science.

How does salinity affect the point at which water freezes? Kids will find out by performing this cool melting ice experiment.

Demonstrate the properties of pressure and surface tension to explain how water can stay inside an upside down glass using cardboard.

This science project encourages students to investigate the Mozart Effect, the idea that classical music promotes learning.

How does dishwashing liquid work? Kids discover the chemical mechanism behind cleansing power in this easy science fair project idea.

Would your dog prefer homemade or store-bought food? Raw or cooked? Test your dog's preferred diet in this fun experiment.

In this outdoor science activity you'll find tips on how to create a nature journal by choosing a native plant or animal and tracking that species.

Discover whether cold or hot water from the faucet will boil faster on the stove.

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.

Test out the pH levels of soil in your backyard versus soil in more wild environments to solve this science case.

The goal of this evaporation experiment is to learn about how different external conditions affect drying time.

Take a closer look at your furry friend (or the furry friend of a neighbor -- with permission) to discover if communication exists between cats and humans.

The goal of this science fair project is to discover the science behind carbonated soft drinks and apply this knowledge to create a new one.

This science fair project idea determines the most effective method of preserving food.

Learn about this simple machine and make a pulley of your own to use for fun science trials.

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.

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 produces varying pitches of sound.

Handedness and footedness refer to whether people prefer to use their left or right hand and foot. In this experiment, test hand and foot dominance.

Gymnosperms are coniferous trees that reproduces using pine cones to spread seeds. Check out this simple pine cone experiment to learn about the process!

This science fair project idea teaches how the gases and pollution in the air affect the earth's atmosphere temperature.

In this plastic wrap science fair project, you'll learn about polymer permeability and find out which plastic wrap keeps food from dehydrating best.

Before you get ready for a delicious scramble or omelet, add a bit of science to your morning routine!

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

Learn about sound physics and do a survey experiment to explore the difference between sound and noise in this science project.

What causes dilated pupils? Young scientists will find out by applying what they already know about changes in pupil size and making models of the pupil.

This project examines whether playing music during class helps students learn or if it distracts students from learning.