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Handout
National Geographic

National Geographic: Encyclopedia: Ocean Trench

For Students 6th - 8th
Comprehensive information about deep-ocean trenches. Includes maps, a video [1:29], and a vocabulary list.
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Website
Woods Hole Oceanographic Institution

Woods Hole Oceanographic Institution: Trenches

For Students 9th - 10th
Explains what ocean trenches are and why they are important. Includes links to videos, additional articles, and information about some deep-ocean submersibles.