Chapter 5 Vocabulary Crossword Puzzle

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Across
  1. 3. process where molten material adds new oceanic crust to the ocean floor
  2. 9. hypothesis that the continents slowly move across Earth's surface
  3. 10. undersea mountain chain where new ocean floor is produced
  4. 11. well-tested concept that explains a wide range of observations
Down
  1. 1. a deep valley along the ocean floor beneath where oceanic crust slowly sinks toward the mantle
  2. 2. theory that pieces of Earth's lithosphere are in constant motion
  3. 4. process where ocean floor sinks beneath a deep-ocean trench and back into the mantle
  4. 5. breaks in Earth's crust where rocks have slipped past each other; they form around boundaries
  5. 6. a deep valley formed along divergent boundaries
  6. 7. sections of the lithosphere that slowly moves over the asthenosphere
  7. 8. vibrations that travel through Earth carrying the energy released during an earthquake