chapter 7

1. liquid metal that surrounds the inner core
6. the super continent
9. scientific theory explaining how the plates move on the Earth
10. the thick layer that surrounds the core and is made up of hot but mostly solid material
12. Earths surface is broken into large pieces that move over the asthenosphere
14. occurs when two plates slide past each other
15. a layer of solid rock that surrounds the Earths surface
16. where the plates of the lithosphere float or slide a top a thin semi solid layer in the uppermantle

2. occurs when two plates move away from each other
3. occurs when two plates move towards each other and collide
4. Euraisan plate north american plate south america plate pacific plate African plate Australian plate antarctic plate and Indian plate
5. caused by the very hot material at the deepest part of the mantle rising then cooling sinking again and then heating rising and repeating the cycle over and over
7. Juan De Fuco plate Philippine plate Caribbean plate Scotia plate Arabian plate and cocos plate
8. thick plates made up of andesite and granite that form the continents and are less dense than oceanic plates
11. topmost layer of the Earth made up of the crust and the solid portion of the upper mantle
13. a sphere of hot solid metal