Exploring the Earth

Earth is the only planet in our solar system known to harbor life. It is the third planet from the Sun and the fifth-largest of the eight planets in the Solar System. Roughly 71 percent of Earth's surface is covered by water, most of it in the oceans. Explore and learn more about our home planet.
Let's Map the Earth
Discover how to read and draw maps by observing.
How To Travel on Earth Without Getting Lost
Using a globe to learn how a position on Earth can be described.
Day and Night in the World
Compare diurnal and nocturnal animals and experiment with day and night.
Meet Our Home: Planet Earth
Explore a tactile version of our home, the Earth, with household materials.
Why Do We Have Day and Night?
Explore day and night of Earth.
How High is the Sky?
Explore layers of Earth's atmosphere.