Learn more about the oceans that cover so much of our planet. Five big Q and A's are addressed including why oceans are so important, how oceans soak up energy and gases, the relationship between climate and oceans, and the function of...

Find out why the oceans on Earth are so vital to the cycling of matter and energy through its spheres.

Detailed geographical information on any country is available at this site. Within the World Map section, you can get facts and figures about each country's geography, demographics, government, political system, flags, historical and...

Discover more about the underocean environment at this site that surveys animals, environmental factors such as light and temperature, currents, animals, plants, and the like.

Use this site to learn about the millions and trillions of gallons of water that covers the earth, known as the hydrosphere.

This digital textbook covers core earth science concepts and includes interactive features, real-world examples, videos, and study guides.