Earth

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Across
  1. 2. second fastest waves
  2. 4. energy released in the form of vibrations
  3. 7. detects and records vibrations
  4. 8. naturally occurring solid mixture of minerals
  5. 9. fastest waves
Down
  1. 1. liquid rock material that comes from earth
  2. 2. the study of earthquakes and seismic waves
  3. 3. magma at earths surface
  4. 5. rock formed by erosin and weathering
  5. 6. felsic and light or mafic and dark