Rocks

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Across
  1. 2. rocks that form from plants or animal remains
  2. 5. the type of volcanoes that low silica make
  3. 6. rocks that form from dissolved minerals in water
  4. 8. the type of colors that low silica make
  5. 9. the type of colors that high silica make
  6. 10. a substance similar to sand
  7. 11. rocks that are intrusive and extruisve
  8. 12. the type of volcanoes that high silica make
Down
  1. 1. rocks that form from lava
  2. 3. rocks that form from heat (no stripes)
  3. 4. rocks that form from pressure (have stripes)
  4. 5. the type of crystals that extrusive have
  5. 6. rocks that form from little pieces of rocks
  6. 7. rocks that form from magma
  7. 9. the type of crystals that intrusive have