Ch.8 / Plate Tectonics Crossword

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Across
  1. 2. the breaking down of rocks
  2. 6. states that Earth moves slowly in various directions
  3. 8. the very slow movement of plates
  4. 10. what magma turns to when it reaches Earth's surface
Down
  1. 1. series of processes on and beneath Earth's surface that builds,changes and destroys rocks
  2. 3. dozen major ______ of Earth's outer layer
  3. 4. record of life forms and geologic events in Earth's history
  4. 5. subdivision of eras
  5. 7. the three long units between Precambrian time to now
  6. 9. tiny particles of matter