Take young scientists into the depths of the world's ocean with the second lesson of this three-part earth science series. After first drawing pictures representing how they imagine the bottom of the ocean to appear, students...

Students learn about James Cameron's Challenger Deep dive and about the marine animals that live in different layers of the ocean. They then study the characteristics of the hadalpelagic zone at the bottom of the ocean, and imagine and...

[Free Registration/Login may be required to access all resource tools.] Describes features of the seafloor and how they are mapped by echo sounding. It touches upon the continental margin as well.