Trackers of Dynamic Earth

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Across
  1. 3. an instrument that records earth tremors.
  2. 6. molten rock underground.
  3. 9. the layer of Earth between the crust and the core where magma is formed.
  4. 10. a scientist who studies volcanoes.
  5. 11. the outer layer of Earth.
  6. 13. a tremor that occurs after the main earthquake.
  7. 15. a tiny coral animal.
Down
  1. 1. a scientist who studies the movement of Earth.
  2. 2. the place on the surface that is directly above the starting point of an earthquake.
  3. 4. the supercontinent that existed 200 million years ago, and contained all of today's continents in one land mass.
  4. 5. magma that reaches the surface of Earth.
  5. 7. the scientific study of Earth.
  6. 8. sticky, gooey, thick.
  7. 12. the layer of Earth at the center.
  8. 14. a part of an organism from a past geological age, found in Earth's crust.