This biodiversity project examines the biodiversity in your own backyard.

Does putting soapy water on plants help or hinder plant growth? Kids learn about greywater and how it affects plant growth in this cool science fair project.

When you rub a balloon on your head, your hair stands up; but is that true for everyone? Does hair color affect static electricity?

Here's a great activity that uses corks and toothpicks to create a fleet of floating boats. Which design makes for the most seaworthy vessel?

In this pinto bean germination experiment, you'll learn about how fertilizer aids in growing pinto beans into seedlings.

The objective of this science fair project is to study the photosynthesis process and demonstrate the important role that leaves play in the process.

Science fair project examining barometric pressure, and how it can be used to predict the weather. How does atmospheric pressures relate to weather conditions?

This science fair project focuses on the use of the enzyme amylase found in human saliva to break down starch into sugar.

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.

Experiment with buoyancy to learn how a submarine rises and sinks in this classic science experiment.

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!

This science fair project demonstrates the principles of reflection through simple experiments involving mirrors and light.

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.

How good are humans at sound localization? Kids can try this cool science fair project idea to see how good their friends are at judging sound direction.

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

In this experiment, students will discover how heat and pressure turn clay into slate, phyllite, and finally schist.

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.

Kids learn about potential energy, and mechanical energy, and how to make power from water with one of our favorite renewable energy projects for kids.

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.

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.

In this activity, your child will be challenged to make a tower using paper cups.

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.