These sites include information on the topography of the ocean floor and life in the ocean. Sea floor spreading, plate tectonics, and underwater volcanic activity are topics found on several of the sites. Many sites have photographs, maps, and videos. Included are two eThemes resource sites for younger grades, one on the geography of the ocean and the other on creatures of the ocean.
This site has many interesting topics on the ocean: hydrothermal vents, mid ocean ridges, plate tectonics, history of oceanography, and many more. Explore a diving expedition or look at one of their interactive diagrams. There are numerous videos, pictures, and detailed maps. Navigation bar is at the top. Woods Hole Oceanographic Institution has put together this material.
Learn more about the hundreds of creatures that live in the oceans and seas. Includes many photos and videos, audio files, and real-time images from Webcams. The animals covered include whales, jellyfish, dolphins, sea turtles, seahorses, and more.