Earth's Interior & Plate Tectonics

Question 1

3 main layers that form structure of the earth;

Answer 1

1) Core (inner and outer)
2) Mantle
3) Crust

Question 2

The place where we live and survive on

Outermost layer of the Earth

Answer 2

Crust

Question 3

Thick (10-70km)
BUOYANT (less dense)
Mostly old

Answer 3

Continental Crust

Question 4

Thin (~7km)
Dense (sinks under continental crust)
Young

Answer 4

Oceanic Crust

Question 5

He suggested and presented evidence on the continents were once a single continent called PANGAEA divided into LAURASIA and GONDWANA LAND

German geophysicist who initiated tectonic plates

Continental Drift theory

Answer 5

Alfred Wegener

Question 6

The subducted tectonic plate beneath The Ring of Fire

Answer 6

Pacific plate

Question 7

Large landmass; also known as supercontinent

Answer 7

Pangaea

Question 8

Fastest type of surface waves

Answer 8

Love waves

Question 9

Fracture on Earth’s crust

Answer 9

Fault

Question 10

Point within earth where seismic energy is first released

Answer 10

Focus

Question 11

Type of force that squeezes rocks together

Answer 11

Compression

Question 12

Point of Earth’s crust directly above an earthquake’s hypocenter

Answer 12

Epicenter

Question 13

Layer between the crust and the core

Answer 13

Mantle

Question 14

Boundary at which two plates move away from each other

Answer 14

Divergent

Question 15

Solid, dense core of the Earth

Answer 15

Inner core

Question 16

Rigid layer of the earth; compost of crust and uppermost mantle

Answer 16

Lithosphere

Question 17

Layer of earth that can deform because of the heat from magma

Answer 17

Asthenosphere

Question 18

Block of rocks that compromise the crust

Answer 18

Tectonic Plates

Question 19

Scientist who studies earthquakes and maps Earth’s internal structure

Answer 19

Seismologist

Question 20

Theory by Alfred Wegener, which states that continents have moved slowly to their current locations

Answer 20

Continental Drift

Question 21

Bowl-shaped depression at the top of a volcano

Answer 21

Crater

Question 22

An opening on earth’s surface through which volcanic materials, such as magma, are released

Answer 22

Vent

Question 23

Boundary at which two plates slide past each other

Answer 23

Transform

Question 24

Boundary between two colliding plates

Answer 24

Convergent

Question 25

Large ocean wave that may result from underwater earthquakes

Answer 25

Tsunami

Question 26

Type of force that pulls rocks apart

Answer 26

Tension

Question 27

Bending of rock layers to make mountains

Answer 27

Folding

Question 28

Process where a dense tectonic plate sinks underneath a light one

Answer 28

Subduction

Question 29

Liquid core of earth

Answer 29

Outer Core

Question 30

Measure of energy released by earthquake

Answer 30

Magnitude

Question 31

Deformation of the crust as a consequence of plate interaction

Answer 31

Tectonic

Question 32

Volcanoes are formed by:

Answer 32

1) Subduction 2) Rifting 3) Hotspots

Question 33

Hot mantle plumes breaching the surface in the middle of a tectonic plate

Answer 33

Hotspots

Question 34

T or F The earth is made up of 3 main layers

Answer 34

T

Question 35

T or F The surface of the earth is tectonic plates that slowly move around the globe

Answer 35

T

Question 36

Plates are made of crust and lithosphere

Answer 36

T

Question 37

T or F There are 2 types of plate Continental Oceanic

Answer 37

T

Question 38

T or F There are 3 types of PLATE BOUNDARIES Divergent Convergent Transform

Answer 38

T

Question 39

T or F Volcanoes and Earthquakes are CLOSELY LINKED to the margins of tectonic plates

Answer 39

T