ROCKS CROSSWORD PUZZLE

123456789
Across
  1. 3. rock type changed by heat and pressure (11 letters)
  2. 7. molten rock that reaches Earth's surface (4 letters)
  3. 8. common coarse-grained igneous rock (7 letters)
  4. 9. sometimes found in sedimentary rocks (6 letters)
Down
  1. 1. metamorphic rock formed from limestone (6 letters)
  2. 2. basic building block of all rocks (7 letters)
  3. 4. sedimentary rock made of sand grains (9 letters)
  4. 5. type of rock formed from cooled magma or lava (7 letters)
  5. 6. small particles that form sedimentary rocks (8 letters)