Across
- 4. a group of elements that form a whole
- 7. huge piece of crust that moves
- 8. a rising body of water
- 10. a natural event with a negative effect
- 11. relating to the whole world
- 12. the air around us
- 13. any natural earth process
Down
- 1. a prediction of future events
- 2. an event that occurs when a plates shift suddenly
- 3. very tiny
- 5. where molten rock spews out from the mantle
- 6. waves of energy that travel through Earth
- 9. extreme weather occurrences
- 11. the study of the earth