Science fair project that tests the correlation between outdoor temperature or weather conditions and the number of visible stars at night.

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

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!

Can you imagine a sky filled with bright, colorful bubbles? Make this whimsical scene come alive with bubble science!

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!

This science fair project idea tests whether it is true that humans are in the morning than later during the day/night.

This science fair project idea explores whether a person's ability to see under very dim lighting conditions diminishes with age.

Wonder why bugs always fly around your lights at night? This experiment determines whether insects are attracted to the heat or the light.

Are you ready to pilot your own airplane? Well, then take to the skies with this high-flying project!

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.

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!

Introduce your child to preliminary science concepts by challenging them to do this fun and simple cloud observation activity.

Science fair project which helps you determine your latitude by using an astrolabe, which measures the angle between the North Star and the horizon.

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

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 experiment explores the question of whether age and/or gender play a role in people's ability to remember dreams.

The goal of this science fair project is to identify the galactic center of the milky way using globular clusters, as found through Google Earth.

Science fair project that determines whether moths are attracted to one color of light more than others.

Determine how wind speed affects the stability of a kite and the ease of getting it into the air.

What direction should solar panels face? It's not the direction you might think! This free and enlightening science fair project helps kids discover the answer.

Science fair project that determines the relationship between the temperature and the rate of cricket chirping. How many times do crickets chirp each minute?

Measure the speed of the earth's rotation using protractors and meter sticks. This science fair project measures the angle of the sun in relation to earth.

What makes your shadow dance around all day? Let's play detective and find out why that sneaky shadow never stays in one place for long.

This science fair project idea explores if male or female humans are more likely to exhibit some form of color blindness.

This science fair project idea teaches that time always passes at the same rate and nothing we do in our daily life âreallyâ affects how fast it moves.

The apparent movement of the sun has been used to keep time since the bronze age. In this science fair project, kids plot solar time against mean solar time.

This science fair project idea explores which kinds of earplugs are the most effective.

Science fair project that demonstrates how a rainbow forms, by using water to split white light into its many colors.

In this science fair project, young children notice and track changes in trees throughout the year.