Tectonics

Question 1

Mantle

Answer 1

the middle layer of the Earth between the crust and the core and is about 2900 km thick. Its outer layer is the asthenosphere. Below the asthenosphere it consists mainly of solid rock

Question 2

Aid

Answer 2

short term help

Question 3

Conservative plate boundary

Answer 3

where two tectonic plates are sliding alongside each other, in the same or different directions

Question 4

Lava

Answer 4

melted rock that erupts from a volcano

Question 5

Continental Crust

Answer 5

the part of the Earth’s crust that makes up land, on average 30-50 km thick

Question 6

Magma

Answer 6

melted rock below the Earth’s surface. When it reaches the surface it is called lava

Question 7

Convection currents

Answer 7

currents which transfer heat from one part of a liquid or gas to another.

Question 8

Hot spots

Answer 8

columns of heat in Earth’s mantle found in the middle of a tectonic plate

Question 9

Epicentre

Answer 9

the point on the ground directly above the focus (centre) of an earthquake