Across
- 3. hot vapor and gas are being or have been erupted from the earth's crust
- 6. a large natural elevation of the earth's surface rising abruptly from the surrounding level
- 7. shaking of the ground and causing great destruction
- 9. two plates slide past one another
- 10. part of the Earth between the mantle and inner core
Down
- 1. are the edges where two plates meet. Most geologic activities, including volcanoes, earthquakes, and mountain building
- 2. two plates are moving away from each other
- 4. the hottest part of the planet and solid ball
- 5. is a thin shell on the outside of Earth, accounting for less than 1%
- 8. is the most solid bulk of Earth's interior
- 11. two plates are moving toward each other