Volcanoes and Earthquakes

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Across
  1. 3. ash that can bury and smother cities
  2. 4. rain that comes from sulfur in dissolved gases from volcanoes
  3. 9. The study of ancient magnetion preserved in rocks
  4. 11. volcano formed by ejected pyroclastic materials, they are small, steep and only erupt once
  5. 12. when one plate gets pushed under another plate
  6. 14. The boundary when two plates are grinding past each other
Down
  1. 1. The boundary when two plates are moving away from one another
  2. 2. toxic gases and large fiery particles that can destroy objects
  3. 3. a liquids resistance to flow
  4. 5. The boundary when two plates are moving toward one another
  5. 6. volcano also known as strato volcanoes, tall, high viscosity, explosive eruptions.
  6. 7. push-pull waves that compress and expand particles also known as primary waves
  7. 8. volcano with the largest width, dome shaped, can form islands, low viscosity lava.
  8. 10. creates a time record of ground motion during an earthquake
  9. 13. an opening at the Earth's surface through which magma erupts or volcanic gases are emitted.