Question 1

A force pressing on an area.

Accepted Answer

Pressure

Question 2

One of the three main Earth layers. The layer of rock that forms Earth's outer skin.

Accepted Answer

Crust

Question 3

One of the three main Earth layers. The layer of rock beneath the crust that is solid and hot.

Accepted Answer

Mantle

Question 4

One of the three main Earth layers. The center layer of the Earth.

Accepted Answer

Core

Question 5

Layer of Earth that is made of the crust and upper part of the mantle.

Accepted Answer

Lithosphere

Question 6

Layer of mantle underneath the lithosphere that is less rigid but still solid.

Accepted Answer

Asthenosphere

Question 7

Layer of the mantle below the asthenosphere.

Accepted Answer

Mesosphere

Question 8

Layer of molten iron and nickel surrounding the inner core.

Accepted Answer

Outer Core

Question 9

Dense ball of iron and nickel at the center of the Earth.

Accepted Answer

Inner Core

Question 10

A large landmass completely or mostly surrounded by water.

Accepted Answer

Continent

Question 11

Supercontinent meaning "All lands."

Accepted Answer

Pangaea

Question 12

The lithosphere is cracked into many pieces that move around on top of the mantle.

Accepted Answer

Tectonic Plates

Question 13

Scientist who proposed the Continental Drift Theory.

Accepted Answer

Alfred Wegener

Question 14

Theory that the continents have moved around and once formed a supercontinent.

Accepted Answer

Continental Drift Theory

Question 15

Theory that plates are moving on top of huge convention currents in the mantle.

Accepted Answer

Theory of Plate Tectonics

Question 16

Boundary between two plates.

Accepted Answer

Faults

Question 17

When two plates move apart from each other.

Accepted Answer

Divergent Boundary

Question 18

When two plates move towards each other.

Accepted Answer

Convergent Boundary

Question 19

When two plates slide passed each other.

Accepted Answer

Transform Boundary

Question 20

Convergent boundary where oceanic crust sinks under continental crust.

Accepted Answer

Subduction Zone

Question 21

Divergent boundary where new crust is formed.

Accepted Answer

Sea-floor Spreading

Question 22

An opening in the crust where magma can flow out.

Accepted Answer

Volcano

Question 23

A violent and sudden shaking of the ground due to built up pressure in the crust.

Accepted Answer

Earthquake

Question 24

Molten rock in the mantle.

Accepted Answer

Magma

Question 25

Molten rock from the mantle that reaches the surface of the Earth.

Accepted Answer

Lava

Question 26

Less dense crust.

Accepted Answer

Continental Crust

Question 27

More dense crust.

Accepted Answer

Oceanic Crust

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