slate tectonics

Question 1

crust

Answer 1

the outermost shell of a rocky planet

Question 2

mantle

Answer 2

layer of molten rock between the crust and core

Question 3

core

Answer 3

made up of mostly iron. separated into the outer core molten and inner core solid

Question 4

tectonic plate

Answer 4

the layer of rock that makes up the outer part of the earth, includ

Question 5

continental drift theory

Answer 5

ghe theory gradually drifted over time to there present positions

Question 6

asthenosphere

Answer 6

a thin layer of earth, about 150 miles thick, at the border between the mantel and the crust

Question 7

convection current

Answer 7

the process in which the hotter parts of a gas or liquid rise to the top and the cooler denser part sink

Question 8

convergent boundrary

Answer 8

when two tectonic come together

Question 9

mountains

Answer 9

uplift of crystal plates elevated landmasses

Question 10

volcanoes

Answer 10

a vent or fissure on earths surface through which magma and gasses are expelled

Question 11

divergent boundary

Answer 11

when tectonic plates split

Question 12

transform boundary

Answer 12

when tectonic plates slide each other

Question 13

fault

Answer 13

breaks in the crust. the movement causes seismic waves which produces earthquakes

Question 14

mid-Ocean ridge

Answer 14

a long ridge of underwater volcanoes between two diverging oceanic plates

Question 15

subduction zone

Answer 15

a place where one tectonic plate sinks under another and melt. also forms a trench

Question 16

rift vally

Answer 16

a long narrow valley between two diverging continental plates