This free science fair project explores the "dirty" relationship between the presence of organic material in soil and water absorbency.

Protozoa and ciliate and amoeba, oh my! The objective of this science fair project is for students to use a microscope and identify microscopic life.

This project is a vivid, concrete introduction to the basic but important idea that plants need sunlight and water to grow.

Science fair project that demonstrates how stalagmites and stalactites are formed.

Is exercise a cellular activity? Check out this fun science fair project idea to compare the carbon dioxide production before and after exercise.

This science project teaches students the relationship between compost and plant growth. Students conduct an experiment with different types of compost.

Can a toy car determine the strength of a magnet? In this cool magnet science fair project, young scientists will learn how to measure the strength of a magnet.

Investigate the different ways in which objects and organisms can be classified, create your own. then have volunteers classify using their own systems.

Science fair project in which you will stage an election campaign to determine whether people are more swayed by a positive ad or negative ad.

This science fair project demonstrates the "power of conformity".

Is it possible to trick the forces of nature that make your bubbles round to create a square bubble?

Kids will love making sugar crystals in this sugar crystal science fair project which teaches important chemistry concepts like saturation and solubility.

This science fair project examines the different composition of fungi and plants.

Investigate how to keep your fruit fresh for longer. The purpose of this science experiment it to determine which kind of bag best preserves fruit.

Explore if planting seeds in a certain direction will affect how fast it germinates.

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

Demonstrate the capillary function in plants by adding food coloring to glasses of water. Slice stalks of celery and leafy tops. Compare color of leaves

In this science project, learn about water transport in plants and make a beautiful dyed floral arrangement with cohesion, adhesion, and xylem tubes!

Find out whether soil amendments can improve soil conditions and help you grow a bigger beanstalk in this ecology experiment!

Learn about the factors that influence group conformity.

With Halloween right around the corner, find a way to use your brain and reward your tummy with a new type of science -- candy science!

What are the effects of colored light on plant growth? Explore plant behavior in this cool botany science fair project and learn about phototropism!

Learn how acid-base catalysis affects enzymes and enzymatic reactions in this science project.

Science fair project that uses iodine vapors to develop latent fingerprints on a non-porous object.

The goal of this science fair project is to determine which cheese grows mold the fastest: Vermont Cheddar, American, Brie, or Camembert?

This science fair project explores how osmotic pressure forces water through the root up into the plant.

This science fair project examines how seeds hitchhike on animals and clothing.

Is it amplitude? Weight? Length of string? Kids will discover what factors changing the period of a pendulum depends on in this fun and easy physics experiment.

Science fair project which determines which colors of light allow plants to produce the most chlorophyll. How are color and light related to each other?