Start Your Studies of Oceans with this Engaging Introductory Video
Almost all of the water on Earth is gathered in large, salty oceans that are pushed by the wind, pulled by the moon, and swirled as the planet spins. Explore the mysteries of this hidden world and meet some of its endangered creatures through vivid footage and interviews with experts, including explorer Thor Heyerdahl. Closed-captioned. Duration: 51 minutes.