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This science experiment examines the role of fat in food, especially in making bread rise and whipping cream.

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

Explore the craters, maria, and highlands on the surface of the Moon! In this fun science project you'll create a 3-D model of the moon using paper mache.

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.

This science research project challenges students to think of more effective lobster farming methods.

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

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

This science fair project idea explores alcoholic fermentation at work by making your own soda.

Study the life cycle of the common blowfly as it relates to forensic investigation. Record the first time you see flies, maggots, and eggs.

This science fair project idea examines how well individuals can remember a story they were told and how accurately they pass that story along.

How do the phases of the Moon and gravity cause spring tides and neap tides? Does the Sun play a role in the tides? Figure it out in this fun science project!

Do different types of oil mix or stack? Find out in this science fair project idea!

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

Discover whether different amounts of water added into a wine glass will produce a different pitch when their fingers are rubbed along the rim.

This science fair project investigates whether tapping the top or the side of the can will stop a vigorously-shaken can of soda from exploding.

This science fair project idea explores whether factors such as temperature and concentration affect the pH of a solution.

Science fair project that helps you better understand density by comparing the relative densities of cans of Coke and Diet Coke.

The objective this science fair project is to determine whether a bigger bag will allow a homemade hot air balloon to fly higher than smaller bag.

Science fair project which simulates the global conveyor belts on a small scale, and observes the effects of wind, density and temperature on water movement.

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

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.

This science fair project idea provides evidence that air is everywhere and takes up space.

What do ants eat? Kids find out by observing a colony of ants in this cool zoology science fair project for 4th grade.

In this science fair project, students discover how sedimentary layers form as sediments like mud, silt and sand settle over time.

This basketball project explores the best way to make the perfect shot every time.

There are many benefits to bugs and insects. This science project shows how cockroaches, termites, and other critters benefit our planet.

In this fun project, use a memory game to test various age groups and determine whether aging directly affects short-term memory loss.

Ant behavior is closely related to light intensity. This free science fair project idea examines how fast ants dig when they are exposed to to light and dark.

In this microwave plant experiment, find out whether microwave radiation will affect radish seed germination. Will it help or hinder the plants' growth?

What cause the phases of the moon? Make a model to see how the positions of the Sun, Moon, and Earth cause the crescent, gibbous, quarter, full, and new moon.