Across
- 2. Molten rock and gas leave the volcano through this opening
- 3. This national park in Wyoming is formed from a hot spot
- 4. long tube in the ground that connects magma chamber to Earth's surface
- 6. fast moving, hot lava
- 7. forms when gas bubbles are trapped in cooling lava, leaving spaces
- 8. Causes slabs of oceanic crust to sink through a deep ocean trench into the mantle
- 11. molten mixture of rock forming substances, gases and water from mantle
- 13. when magma reaches earth's surface we call it this
- 15. lava collects in this bowl shaped area that forms around a vent
- 16. The goddess of volcanoes according to Hawaiian folklore
- 19. belt of volcanoes that circles the Pacific ocean
- 20. weak spot in crust where molten material comes to the surface
- 21. forms when lava cools very quickly
Down
- 1. magma forms here, under the lithosphere
- 5. Magma collects in these pockets beneath a volcano
- 9. material that is formed from oxygen & silicon-one of the most abundant materials in Earth's crust
- 10. A string of islands formed by volcanoes along a deep ocean trench
- 12. lava that is cooler and slower moving in quiet eruptions
- 14. The word Volcano comes from this Roman God
- 17. An area where magma from deep in the mantle melts through the crust
- 18. These islands are formed from hot spots!
- 19. when magma cools it forms this rock