Unit 2 Minecraft

Question 1

Pangaea

Answer 1

the hypothetical landmass that existed when all continents were joined

Question 2

Continental drift

Answer 2

the gradual movement of the continents across the earth’s surface through geological time.

Question 3

Mid-Ocean ridges

Answer 3

a long, seismically active submarine ridge system situated in the middle of an ocean basin and marking the site of the magma associated with seafloor spreading

Question 4

Ocean trenches

Answer 4

narrow depressions on the seafloor

Question 5

Seafloor Spreading

Answer 5

the formation of new areas of oceanic crust

Question 6

Magma

Answer 6

Molten rock underground.

Question 7

Lava

Answer 7

hot molten rock erupted from a volcano

Question 8

Plate tectonics

Answer 8

a theory explaining the structure of the earth’s crust and many associated phenomena as resulting from the interaction of rigid lithospheric plates which move slowly over the underlying mantle.Plate tectonics

Question 9

Convergent boundaries

Answer 9

A tectonic boundary where two plates are moving toward each other.

Question 10

Divergent boundaries

Answer 10

A tectonic boundary where two plates are moving away from each other and new crust is forming

Question 11

Transform boundaries

Answer 11

that the Earth is transformed by its movement

Question 12

Subduction

Answer 12

the sideways and downward movement of the edge of a plate of the earth’s crust into the mantle beneath another plate.

Question 13

Vault

Answer 13

vault is an arched part of the earth

Question 14

Volcano

Answer 14

a mountain or hill, typically conical, having a crater or vent through which lava

Question 15

Volcano arc

Answer 15

a curving chain of active volcanoes formed above a subduction zone

Question 16

Earthquake

Answer 16

a sudden and violent shaking of the ground, sometimes causing great destruction

Question 17

Fault zone

Answer 17

there are several closely spaced faults

Question 18

Landslide

Answer 18

the movement of a mass of rock, debris, or earth down a slope

Question 19

Tsunami

Answer 19

giant waves caused by earthquakes or volcanic eruptions under the sea

Question 20

Impact craters

Answer 20

a crater on a planet or moon caused by the impact of a meteorite or other object, typically circular with a raised rim.

Question 21

Weathering

Question 22

Erosion

Question 23

Deposition

Answer 23

the action of deposing someone, especially a monarch.

Question 24

Glacier

Answer 24

a slowly moving mass or river of ice formed by the accumulation and compaction of snow on mountains or near the poles.

Question 25

Rock

Answer 25

the solid mineral material forming part of the surface of the earth and other similar planets, exposed on the surface or underlying the soil or oceans.

Question 26

Mineral

Answer 26

a solid inorganic substance of natural occurrence.

Question 27

Crystallization

Answer 27

the process of forming crystals

Question 28

Extrusive rock

Answer 28

When lava reaches the earth’s surface and cools into an igneous rock

Question 29

Intrusive rock

Answer 29

when magma cools underground making igneous rocks.

Question 30

Lithification

Answer 30

processes by which unconsolidated materials are converted into coherent solid rock

Question 31

Compaction

Answer 31

the exertion of force on something so that it becomes more dense

Question 32

Cementation