A collection of four lessons where students look at the vital role oceans play in our lives, at the hydrosphere and the impact humans have on it, how humans use the oceans and who is responsible for protecting them, and the rationale...

Oceans site explores the physical features that lie deep below the surface of our world's oceans.

Describes the two organisms capable of photosynthesis in an ocean ecosystem, the different ocean zones and the plants and animals that live in them, some facts about the ocean, and the five oceans of the world.

Ocean levels are increasing around the world. Find out why this type of climate change has scientists concerned.

Learn about the different zones of the open ocean, the pelagic biome, and what organisms call each zone home.

Ocean explorer Robert Ballard takes us on a mindbending trip to hidden worlds underwater, where he and other researchers are finding unexpected life, resources, and even new mountains. He makes a case for serious exploration and mapping....

Read about the different zones and life in the deep sea as well as watch videos and examine photos of this aquatic biome. [5:54]

A firsthand account and description of the Battle of Jutland by a German gunnery officer. His account sheds light on both German and British naval tactics used in the battle.

Smithsonian Institution presents ?Ocean Planet: Interdisciplinary Marine Science Activities?. Through this series of six interdisciplinary lessons, learners will look at such things as the organisms in different marine ecosystems, the...

This article on Sylvia Earle, ambassador to the world's oceans, includes information on her record-breaking dive as well as her various studies concerning the ocean's environment.

This page from the California State University entitled, "Who else in the world was prepared to discover and seek the fortunes of the seas?" describes ships built by these civilizations and explains their reasoning for not joining the...