Plate

2. an unattractive feature in a piece of work or in a persons character
5. A German polar researcher
7. process where new ocean floor is created as molten material from earths mantle
8. A long active submarine ridge system
9. A fault which rock strata are displaced mainly in a horizontal direction
12. a current in a fluid that results from convection
13. linear shaped lowland between several highland created by the action of geological fault
16. upper layer of earths mantle
17. A geologist and united states navy officer in world war 2
19. cover with a thin coating or film of different metalv
20. extinct small aquatic reptile of the early Permian period

1. scientific theory that describes the large scale motions of earths lithosphere
3. a hypothetical continent
4. visual representation of earths magnetic polarity over a time period
6. ridged outer part of earth
10. A theory exclaiming the structure of earths crust
11. conservation plate boundary
14. largest and best known genus of the extinct order of seed ferns
15. clothe in or as if in a mantle; cloak or envelop
18. original supercontinent