Igneous Rocks

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Across
  1. 3. Light-colored igneous rock made mostly of quartz and feldspar.
  2. 5. When some minerals in a rock melt while others remain solid.
  3. 6. Rocks formed when magma or lava cools and solidifies.
  4. 8. A rock texture with large crystals surrounded by smaller crystals.
  5. 10. Igneous rocks formed when lava cools and crystallizes above Earth's surface.
  6. 11. A rock texture containing holes left by trapped gas bubbles.
  7. 12. The predictable order in which minerals crystallize as magma cools.
  8. 13. Igneous rocks with extremely large crystals, often found in underground veins.
Down
  1. 1. Dark-colored igneous rocks with low silica content.
  2. 2. Magma that reaches Earth's surface.
  3. 4. Volcanic rock originating deep in Earth's mantle that can contain diamonds.
  4. 7. Igneous rocks formed when magma cools and crystallizes below Earth's surface.
  5. 9. The size, shape, and arrangement of crystals or grains in a rock.