Plate Tectonics

Question 1

Transform Boundary

Answer 1

When tectonic plates slide past each other.

Question 2

Fault

Answer 2

Breaks in the crust. The movement causes seismic waves which produces earthquakes.

Question 3

MId-Ocean Ridge

Answer 3

A long ridge of underwater volcanoes between two diverging oceanic plates.

Question 4

Subduction Zone

Answer 4

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

Question 5

Crust

Answer 5

The outermost shell of a rocky planet.

Question 6

Mantle

Answer 6

Layer of molten rock between the crust and core.

Question 7

Core

Answer 7

Made up mostly of iron. Seperated into the outer core (molten) and inner core (solid).

Question 8

Tectonic Plate

Answer 8

The layer of rock that makes up the outer part of the earth, including the crust and upper mantle (lithospheric plates).

Question 9

Continental Drift Theory

Answer 9

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

Question 10

Asthenosphere

Answer 10

A thin layer of Earth, about 150 miles thick, at the border between the mantle and the crust.

Question 11

Convection Current

Answer 11

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

Question 12

Convergent Boundary

Answer 12

When two tectonic plates come together.

Question 13

Mountains

Answer 13

Uplift of crustal plates that form elevated landmasses.

Question 14

Volcanoes

Answer 14

A vent or fissure in Earth’s surface through which magma and gases are expelled.