This science fair project idea examines the distance a person travels on an average day and to relate that to an understanding of the size of the Earth.

examine how passive solar heating works, measure temperature in a parked car on a sunny day. ways to use passive solar heating as an alternative, energy

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

Prove that the Earth is not flat. The objective of this science fair project is to measure the angle of the sun and calculate the circumference of the Earth.

This science fair project idea investigates whether plants can survive being frozen.

Find out whether packaged seeds actually do expire in this new science fair project idea.

Will potatoes spud or sprout faster in dry, dark, or cold conditions? Find out in this science fair project idea!

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

This science fair project idea explores whether talking to a plant will help it grow.

This science fair project idea determines if the color of light affects the growth of plants.

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

Science fair project which determines whether plants are able to get enough nutrients from different types of garbage.

Watch pre-packaged seeds and seeds taken from inside fruits and vegetables grow. Which ones will grow faster? Read more in this science fair project idea.

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

This science fair project idea explores whether color affects a person's emotional state.

This project examines whether playing music during class helps students learn or if it distracts students from learning.

Have your kid determine if a goldfish can be conditioned to expect food the same way Pavlov's dogs did with this fascinating science fair project.

This science fair project idea examines whether plants are still able to grow normally if they are turned upside-down.

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

This science project challenges students to study deer behavior in their natural habitat- the feeding patterns, social behaviors, male to female ratio, etc.

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.

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

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.

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.

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.

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.