Types of Rocks

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Across
  1. 3. A metamorphic rock formed from shale under heat and pressure.
  2. 4. Magma that has reached the Earth's surface.
  3. 7. Rocks formed by heat and pressure that do not melt but change shape.
  4. 8. Rocks formed from magma below the Earth's surface.
  5. 12. A metamorphic rock formed from limestone under heat and pressure.
  6. 13. Rocks formed from cooling and hardening of magma or lava.
  7. 14. Rocks formed from lava above the Earth's surface.
Down
  1. 1. Liquid rock beneath the Earth's surface that cools to form igneous rocks.
  2. 2. A sedimentary rock formed from compressed plant matter.
  3. 3. A type of sedimentary rock formed from compacted sand.
  4. 5. Rocks formed from compressed layers of minerals, plants, and organic matter.
  5. 6. Solid shapes that can change form under high heat and pressure in metamorphic rocks.
  6. 9. Openings in the Earth's surface where magma erupts.
  7. 10. A coarse-grained intrusive igneous rock.
  8. 11. A light, porous igneous rock that forms from lava.