Across
- 1. the process or system responsible for a natural phenomenon
- 5. the naturally preserved remains, imprints, or traces of organisms that lived long ago
- 6. two things that are the same distance apart along their whole length
- 8. to give information about something
- 12. to slowly and gradually move
- 13. to form or make up
- 14. the very hot part of the mantle that is like plastic
- 16. the cold, rigid, outermost rock layer of Earth
- 17. the structure of substances and the way that they combine or change with each other
- 18. an ice sheet that spreads out over land
Down
- 2. to change from a solid into a liquid with an orderly, repeating pattern
- 3. areas of continent that are under shallow water
- 4. to use numbers to find out something
- 6. ancient supercontinent
- 7. not able to bend or move easily
- 9. relating to the shape of the land
- 10. an imaginary line on a map that shows points that have the same age
- 11. to stop being together
- 15. capable of being molded or changing shape without breaking