Volcanoes

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Across
  1. 4. an opening in or near a volcano made of gas
  2. 6. shifting pieces of land that causes natural disasters like earthquakes
  3. 8. powder substance that is made after burning something
Down
  1. 1. the outer most shell of a terrestrial planet
  2. 2. a substance from the earths crust found in volcano
  3. 3. a solid that is everywhere
  4. 5. when a volcano explodes and blasts out lava
  5. 7. molten, liquid magma which is extremely hot