Plate 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

Tectonics plate

Answer 4

The layer of rock that makes up the outer part of Earth, including the crust and upper man

Question 5

Continental Drift Theory

Answer 5

The theory continents gradually drifted over time to their present positions.

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

Question 8

Convergent Bonundary

Answer 8

When two

Question 9

Mountains

Answer 9

Uplift of coustal plates that form elevated land asses.

Question 10

Volcanoes

Answer 10

A vent of fissure in Earth’s surface through which magma and

Question 11

Divergents Boundary

Answer 11

When tectonic plates split apart.

Question 12

Transform Boundary

Answer 12

When tectonic plates slide past each other.

Question 13

Fault

Answer 13

Breaks in the crust. The movement causes seismic wave 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 plate where one tectonic plates sinks under another and melts. Also forms a trench.

Question 16

Rift Valley

Answer 16

A long narrow valley between two diverging continental plates