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!

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

This science fair project idea researches the different layers of the atmosphere and creates a visual representation of the atmospheric layers.

Create a DIY Electromagnet! Using a 9v battery to create an electrical field around a nail, students explore electromagnetism in this cool science project idea.

Discover flight initiation distance as you play around in the park with this fun bird watching project!

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.

In this project, all you need is a protractor to learn how to use the altitude of Polaris to find latitude on Earth. Polaris is also known as the North Star.

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

Does skin thickness really decrease fruit spoilage? Find out in this science fair project idea!

Science fair project that examines the different types of precipitation, evaluates the density of snow and calculates the ratio of snow-to-liquid.

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

Demonstrate how you can make your own compass using a magnetized needle. It also allows you to compare magnetic north and geographic north.

Start your toy engines -- this is going to be a fast and friction-filled race!

This project compares the strength of one, two, and three-ply toilet paper.

Camouflage is one of the most important animal adaptations in the African savanna biome. Kids create their own camouflage with this fun science fair project.

How does the size of a vibrating surface affect the pitch of a drum? Learn about drum size and pitch with this easy science fair project idea.

Kids will learn how to make a steam powered rocket boat, also called a putt putt boat or a pop pop boat, in this great science fair project for 4th graders.

In this science fair project, apply the principles of leverage and force by building six simple machines designed to set weights in motion.

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

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

Kids will learn how to show the direction of magnetic field lines and create a permanent model using iron filings in this great science fair project idea.

This science fair project looks one of the most important factors affecting seed germination: water. A fun and easy plant biology experiment for 3rd graders.

Determine whether butterflies like to drink sugar water, salt water, or plain water.

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

How does smell affect taste? Ready your taste buds--in this project, you'll gather some test subjects and do a taste test to see how much smell affects taste.

Are you ready to be a detective for science? Then get out your magnifying glass and start studying fingerprints!

In this project, build an insect model that shows how the head, thorax, and abdomen fit together! Learn insect anatomy by constructing a paper mache critter.

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

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

In this science fair project, young children notice and track changes in trees throughout the year.