Across
- 2. Forms when magma hardens in a volcano's pipe.
- 4. A fast moving, hot type of lava.
- 8. The expulsion of ash, cinders,bombs, and gases.
- 9. A cooler, slower moving type of lava.
- 10. An opening through which molten rock and gas leave a volcano.
Down
- 1. A mass of rock formed when a large body of magma cool inside a crust.
- 3. How is geothermal energy used ?
- 5. Forms when rising magma is blocked by horizontal layers of rock.
- 6. A material that is formed from the elements of oxygen and silicon.
- 7. The largest volcano on Venus.