Rocks

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Across
  1. 3. rock that forms when lava cools too quickly to form crystals.
  2. 7. This is the type of rock that are affected by changes of temperature and pressure.
  3. 9. What usually affects sedimentary rocks to make the layers.
  4. 12. The type of igneous rock that forms from magma.
  5. 13. The type of rocks that have several layers of minerals.
Down
  1. 1. Rocks that contain parallel layers of flat minerals
  2. 2. Metamorphic rocks that have random interlocking textures and mineral grains.
  3. 4. The breaking down of rocks into sediments.
  4. 5. When a rocks shape gets changed due to bending and folding.
  5. 6. When magma comes in contact with an existing rock and interacts with the surroudning gas.
  6. 8. Means "To change form"
  7. 10. Fragments of rocks and minerals that vary in size.
  8. 11. When volcanic material erupts and then cools and crystalizies on Earth's surface.