Desiree Rivera Week: 9/22/16

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Across
  1. 3. a device that reflects sound waves off under water objects and record echos
  2. 5. floor spreading the process by which molten materials adds a new crust below Earths bodies of water
  3. 6. an under water valley where crust sinks toward the mantle
  4. 7. an undersea chain of mountains that is part of a long system of underwater mountains
  5. 8. the area near a rivers mouth where the water deposited fine soil
Down
  1. 1. the process by which crust sinks back into the mantle at a colliding plate boundary
  2. 2. a waterfall
  3. 4. good for growing crops
  4. 5. a tool used to spreed water across the fields
  5. 9. a type of fabric woven from fax plants