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SCIENCE TREK

Oceans

  • Aired: 05/17/2016
  • 28:48
  • Rating: TV-G
Oceans are salty bodies of water that cover 70% of the Earth. Oceans contain many different ecosystems. Some of the Earth’s largest and smallest creatures live in the ocean. Yet people have only explored about 5% of the Earth’s oceans. On this Science Trek, host Joan Cartan-Hansen and her guest scientists will answer students’ questions about the oceans.
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Oceans
Oceans
Oceans cover 70% of the Earth’s surface. Find out more about what’s under the surface.
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