Across
- 1. Molten the rock under the surface
- 3. A volcano that Has not erupted in a long time but may in the future
- 8. Smooth glassy rock that forms when lava cools quickly and crystals can't form
- 13. shaking of the ground
- 14. A volcano currently erupting or has recently
- 16. The area of the earth at the surface
- 17. body of water at the top of a volcano
- 18. it is commonly made of tiny fossils, shell fragments, and other fossil debris
- 19. the middle of the earth
Down
- 2. rock deep underground, that forms under high temperatures of pressure
- 4. a pipe that the magma flows up
- 5. particles of pulverized rock thrown out by a vent in an eruption
- 6. Molten Rock above ground
- 7. The very hot second layer of the earth
- 9. a crystal that is formed from oxygen and silicon
- 10. crust of the earth, carries the ocean and/or continents on them
- 11. study of rocks
- 12. Rock which is made from cooled lava
- 15. rough-textured dusty rock that floats on water
- 20. a volcano that will not erupt again