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

Tectonic Plate

Answer 4

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

Question 5

Continental Drift Theory

Answer 5

The theory that continents gradually drifted over time to 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 Boundary

Answer 8

When to tectonic plates come together.

Question 9

Mountains

Answer 9

Uplift if crustal plates that form elevated landmasses.

Question 10

Valcanoes

Answer 10

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

Question 11

Divergent Boundary

Answer 11

When tectonic plates pilt apart.

Question 12

Transform Boundary

Answer 12

When tectonic plates slide past each other.