Wikipedia: Oceans
Definition of an ocean, including Greek name, physical properties, regions and list of ancient oceans. Read about oceans on other planets. And oceans in famous mythology. Other topics that might be of interest include underground oceans, pelagic zone and sea level.

Amazon.com: Oceans
Numerous books, DVDs and textbooks on this topic, including titles such as Ocean Life from A to Z Book and DVD. Many kids titles as well, such as Over in the Ocean: In a Coral Reef and a sticker book featuring more than 340 sea and river creatures for kids to learn about.

National Ocean Service
In addition to important research about maintaining and preserving our oceans for future generations, the NOS also offers many education opportunities to learn more about oceans. Check out the education area for free lesson plans, stories and kits.

Lesson Plans about Oceans
Site links to a huge variety of lesson plans based on oceans and ocean creatures. Lesson plans are sorted by elementary, middle school and high school. Study topics such as marine biology, oceanography, ocean mammals and sea plants.

Undersea and Oversee
The Franklin Institute features information on the oceans of past, present and future. Includes resources for teachers and parents and also for students. Follow one school's journey as they study the Atlantic Ocean and how to preserve and oversee its health.

Gander Academy's Oceanography
Covers many aspects of oceanography, such as the ocean floor, the beach and even icebergs. Many online activities for children such as the Fishin' for Facts Web Pages and Fishin' For Facts printable activity sheets for students.

Ocean World
Wide range of information. College courses, lessons plans for younger students and real time ocean tracking. Grab details about coral reefs and el Niņo. Also has an area where you can ask specific questions and get answers or read through questions others have asked.

Ocean Planet Smithsonian
The Smithsonian Exhibit Ocean Planet is well worth seeing, but if you can't make there are still many activities and lesson plans you can use with your students or children. Check out the lessons and marine science activities. Adaptable for all grade levels.

All About Drifter Bouys
Definition of drifter buoys and information about ocean currents. Practice activity introduces to students how to begin plotting drifter data. Includes sample spreadsheets and links to additional blank spreadsheets and information about the Gulf Stream.

Ocean View From Space
View of the ocean from outer space and an in depth look at the variation in colors. Details how vegetation is detected from space. Site also has data about El Nino. Offers an in-depth look at the El Nino phenomenon and images of El Nino in progress.

Oceans Alive
Includes an interactive map about whales and whale spotting in Australia. Also provides cool facts you may not have known, how seals are trained and an area where site visitors can ask questions about marine biology and ocean fact.

Scholastic Ocean
One of the top providers of educational materials offers lesson plans on topics related to the ocean. Other lessons delve into comparing the world's oceans, undersea valleys mountains and volcanoes and the ocean's depths.

Woods Hole Oceanographic Institute
World's largest, non-profit ocean research organization. Learn about climates and oceans, coastal science and ocean life. Check out the education area for opportunities for both teachers and students to learn more about ocean science.

JASON Project
A distance learning program open to students around the world in grades K-12. The aim of the project is to excite and engage students with science and technology. In depth studies of oceans and monster storms. Check out the video tour of the site.

Ocean Pictures
In addition to a gallery of undersea pictures, you'll find tons of useful information about the world's oceans. Be sure to check out the pictures of freaky fish and blue marble art. Also offers a running feed of the latest news stories related to the oceans.

PBS Secrets of the Ocean Realm
Check out the sea dwellers area to learn more about creatures that live in the ocean. Also offers many downloadable classroom activities on oceanography topics. Students can take a fun quiz to test knowledge of things ocean related and then find out when the series will air on their local PBS station.

World Atlas: World's Oceans
Details on how much water each of the world's 5 major oceans covers. View a flattened out version of the globe to see where each of the oceans is located. Many other graphic maps, geography trivia, and even a few contests.

Enchanted Learning: Oceans
Access some free information or join for the ability to print worksheets, tests, lessons and more. Topics include information on the oceans as well as undersea explorers and sea creatures. Also offers ideas for crafts and games. Memberships run just $20 per year.

Online Ocean Field Trip
Even if you don't live near an ocean, you can take a virtual fieldtrip and learn more about this fascinating aspect of science. Check out the teacher's resources to discover books and articles related to the topic and then start the field trip.

Ocean Conservancy
Offers a magazine on the issues related to conserving our oceans. Register to stay informed about important issues and upcoming events. The latest news stories appear on the left side of the page. Also offers some screensavers, e-cards and photographs just for fun.