The Earth

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Across
  1. 1. Scientists who study rocks.
  2. 4. One of the three minerals that makes up Granite.
  3. 6. Breakdown of rocks over time.
  4. 8. Sticky clay has the poorest d____________.
  5. 10. Scientists who study fossils.
  6. 12. Granite rock is made of these.
Down
  1. 2. ___________ erupts from volcanoes.
  2. 3. Little fragments of rocks.
  3. 5. Grains of different materials that make up rocks.
  4. 7. Movement of rock fragments by gravity, water and wind.
  5. 9. Marble is an example of _______________ rock.
  6. 11. When rock fragments rub against each other and become smoother.