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Ocean Exploration Vocabulary          Unit C, Chapter 3
Continental Shelf• The shallow part of the ocean at the edge of the continents
Continental Slope• The edge of the continental shelf that extends steeply downward to the ocean floor.
Ocean Basin• The floor of the deep ocean
Trench• A deep, narrow valley in the ocean floor
Ridge• The highest part of a chain of underwater mountains.
Current• A river like flow water in the ocean.
Tide• The rise and fall of  the surface level of  the ocean.
Wave• The up-and-down movement of ocean water caused by the wind.
Light Zone• The sunlit waters of the ocean
Dark Zone        • The ocean water            where sunlight            does not reach.
Coral Reef• A platform or ridge of coral at or near the ocean surface.
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Vocabulary cards

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Introduction to Ocean Vocabulary for 4th grade

Vocabulary cards

  1. 1. Ocean Exploration Vocabulary Unit C, Chapter 3
  2. 2. Continental Shelf• The shallow part of the ocean at the edge of the continents
  3. 3. Continental Slope• The edge of the continental shelf that extends steeply downward to the ocean floor.
  4. 4. Ocean Basin• The floor of the deep ocean
  5. 5. Trench• A deep, narrow valley in the ocean floor
  6. 6. Ridge• The highest part of a chain of underwater mountains.
  7. 7. Current• A river like flow water in the ocean.
  8. 8. Tide• The rise and fall of the surface level of the ocean.
  9. 9. Wave• The up-and-down movement of ocean water caused by the wind.
  10. 10. Light Zone• The sunlit waters of the ocean
  11. 11. Dark Zone • The ocean water where sunlight does not reach.
  12. 12. Coral Reef• A platform or ridge of coral at or near the ocean surface.

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