The objective of this science fair project is to test the growth rate of a plan in a crystal medium in comparison to traditional soil.

Learn about the microclimate of your backyard by tracking rainfall, temperature, and observed weather with hand drawn charts and graphs.

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

Can you plant the insect-attracting borage plant to increase the amount of beneficial insects in your garden? Find out in this experiment!

In this project, the affects of vitamin E are observed on a rose petal.

The moon doesn't produce its own light, so why can we see it shining in the sky? Learn about reflection and planetshine in this fun and easy science project!

In this fun experiment, we'll find out how color affects heat absorption!

Plants need water to grow. In this project we learn how plants transport water from their roots to their leaves

This science fair project idea attempts to train a worm to complete a simple maze in order to find out if worms can learn and remember.

For your budding first grade scientist, all you need is some simple, natural materials to create an amazing ant farm. Here's how to get started.

In this project, the affect of acid rain is simulated by the acid, vinegar.

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!

In this science fair project, students make their own rain gauge to measure rainfall.

This science fair project idea explores whether a sundial is as accurate as an atomic clock when telling time.

Help your second grader observe the phases of the moon, and then let the fun loose: he'll get to chart his observations with marshmallows!

Learn about sound physics and do a survey experiment to explore the difference between sound and noise in this science project.

In this science fair project, students focus sunlight with a magnifying glass and trap shorter waves to melt ice.

Science fair project which evaluates different athletic shoes in order to find out whether any of them affect a person's ability to run.

Do plants get crowded? Have your curious kid investigate how plants respond if they're forced to grow together in a confined space.

Did you know a mouse eats almost fifty times as much as a cow? Find out how and test out the strange science with your friends!

Science fair project which measures the shadow cast by a meter stick at various times in order to predict the circumference of the earth.

Enter the buzz worthy world of bee watching and find out what time bees like to wake up!

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.

Would your dog prefer homemade or store-bought food? Raw or cooked? Test your dog's preferred diet in this fun experiment.

This science fair project idea explores the different properties & interactions of sugar molecules.

In this science fair project, students examine under what conditions individual plants release seeds and how far the seeds are released.

The project examines absorbent polymers absorbency in disposable diapers and their unique ecological problem to the environment.

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.

This science fair project compares the allelopathic affects of juglone, a chemical agent produced by the Black Walnut tree, on two plants.

In this insulation experiment, you'll learn which clothes keep you warm in the cold, and which make you shiver.