crossword

12345678910
Across
  1. 2. a black sedimentary rock that is very commonly mined.
  2. 3. Olympic gold medals used to be 100% made out of this
  3. 5. the study of rocks and the earth's features
  4. 9. a bunch of rocks formed into one
  5. 10. the inside layer of the earth
Down
  1. 1. someone who studies fossils and the history of life.
  2. 4. hot fluid underneath the ground
  3. 6. hot fluid erupted from a volcano
  4. 7. the remains of a prehistoric animal
  5. 8. the breaking down of rocks