While your cells are much too small to see without a microscope, you can create the look of a cell in your very own home with just an egg and vinegar!

Observe how your brain works while it is focused on one thing, and how it works while you are distracted by another thing.

This project explores whether plants can live and grow when "watered" with juice, soda, or milk.

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

Have you ever wondered how many numbers most people can memorize? Test your friends to find out!

This science fair project idea produces sounds by creating vibrations using different objects.

Find the North Star, and measure your latitude! The purpose of this science fair project is to find latitude and learn about geographic locations.

Science fair project that identifies the differences between soils from different environments and attempts to figure out why those differences exist.

This science fair project idea explores how the shape of a boat affects its density and how much weight it can float.

Science fair project which determines whether the size or the thickness of a piece of paper has an effect on how many times it can be folded in half.

This science fair project idea explores whether the process used to dry the beans we eat for food renders them unviable.

Did you even wonder why some rocks are round and smooth while others are broken up into small pieces?

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.

Do you have your isopods straight? Learn about sow bug and pill bug behavior by building a terrarium to study them in!

What is topography? Kids find out by learning to make and read a topographic map in this awesome science fair project idea.

What's the difference between a microwave and an oven? Use mashed potatoes to explore which kitchen appliance does a better job at keeping food warm.

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

This science fair project idea investigates how optical distances change the apparent size of an object as seen through a magnifying lens.

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

Take a dive into the candy jar with this yummy science experiment.

This science fair project idea determines which method of hand cleansing is the most effective.

The purpose of this science fair project is to demonstrate how yeast, a fungus, causes bread to rise.

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

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

Discover how to make fake snot with this cool science fair project idea to learn about polymers, enzymes, and more.

Explore how sound waves are reflected and absorbed by producing echoes. Analyze which locations produce echoes.

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

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.

Science fair project that examines how winter storms form and the relationship between temperature, moisture and snow.

In this free science fair project, build a star clock and learn how to tell time on a clear night by observing the big dipper!