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