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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!

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

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!

Find the North Star, and measure your latitude! The purpose of this science fair project is to find latitude and learn about geographic locations.

This science fair project investigates why the number of visible stars changes from place to place.

Learn how to tell time by the sun with this cool science fair project idea that tracks how the accuracy of a sundial changes over time.

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

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.

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!

Science fair project that examines condensation and the conditions needed in order for dew to form.

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.

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

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.

Would it hurt to skip brushing your teeth just this once? Let's find out by seeing which foods produce the most mouth bacteria.

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.

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

Discover that the absorbency of fabrics depend largely on the shape and structure of the individual fibers that make up the fabric.

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

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

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

This science experiment has students test whether a snail moves faster on concrete or dirt.

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