plate techtonics

Question 1

crust

Answer 1

the outermost shell of a rocky planet

Question 2

mantle

Answer 2

layers of molten rock bbetweem the crust and core

Question 3

core

Answer 3

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

Question 4

tectonic plates

Answer 4

the layer that makes up the outer part of the earth that includes the crust and mantle

Question 5

continental drift theory

Answer 5

the theory the continents gradually drifted over time to their present potions

Question 6

asthenosphere

Answer 6

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

Question 7

convection current

Answer 7

the processes in which the hotter parts of a gas or liquid ruse to the top and the , denser parts sink

Question 8

convergent boundary

Answer 8

when two tectonic plates come together

Question 9

mountains

Answer 9

uplift of crustal plates the form elevated landmasses

Question 10

volcanos

Answer 10

a vent or fissure in earth’s surface in earths surface through which through which magma and gases are expelled

Question 11

divergent boundary

Answer 11

when tectonic plates split apart

Question 12

transform boundary

Answer 12

when tectonic plates side past each other

Question 13

fault

Answer 13

breakin on the crust . the movement that cause seismic waves that cause earthquakes

Question 14

mid-ocean ridge

Answer 14

a long ridge of under water volcanoes between two diverging oceanic plates

Question 15

subduction zone

Answer 15

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

Question 16

rift valley

Answer 16

a long narrow valley between two diverging continental plates,