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Earth Forces & Plate Tectonics Flashcards | StudBud
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Earth Forces & Plate Tectonics
Earth Forces & Plate Tectonics
25 terms
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#earthforces #platetectonics
Flashcards
25 cards
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Questions
25
Answers
1
The rapid, downward slide of rocks or mud
Landslide
Tsunami
Earthquake
Hurricane
2
A mixture of hot rocks, ash, and gases that blow through a crack in the Earth's surface
Volcano
Tsunami
Hurricane
Earthquake
3
The theory of the formation and movement of the plates that cover the Earth's surface
Continental Drift
Plate Tectonics
Wegener's Theory
Pangea
4
Diverging boundaries occur when:
Two plates slide past each other
Two plates come together
Two plates move apart
5
Converging boundaries occur when:
Two plates come together
Two plates slide past each other
Two plates move apart
6
What does it mean to diverge?
To move apart
Slide alongside
Come together
7
What does it mean to converge?
To come together
to slide alongside
To separate
8
The outer shell of Earth, that extends to a depth of 100 KM
Lithosphere
Mantle
Astehnosphere
Seafloor Spreading
9
Who proposed the theory of Seafloor Spreading?
Alfred Wegener
Isaac Newton
Harry Hammond Hess
10
What are the three layers of the earth?
Divergent, sliding and convergant boundaries
The crust, mantle & the core
Pacific, African & Antarctic plates
11
When plates SLIDE past each other, they are...?
Transforming
Converging
Sinking
Diverging
12
Which layer of the earth is plastic-like? Lithospheric plates float around on this layer.
Asthenosphere
Lower Mantle
Inner Core
Upper Mantle
13
A sudden release of energy under the Earth's surface that makes the ground shake or crack.
Earthquake
Volcano
Tsunami
Hurricane
14
Who came up with the theory of Continental Drift?
Harry Hammond Hess
Benjamin Franklin
Alfred Wegener
Tom Brady
15
Large ancient landmass that joined all of the continents together
Pangaea
Continental Drift
Paleozoic
Seafloor Spreading
16
The partially melted layer of the mantle that lies underneath the lithosphere
Continental Crust
Lithosphere
Asthenosphere
Oceanic Crust
17
How many layers does the Earth have?
2
3
12
5
18
What is continental drift?
Theory that all continents are drifting pieces of Pangaea
Theory that Earth's crust & mantle are broken into plates
The theory that the 7 continents were never joined together
19
A number of rigid pieces of the Earth's surface that move
Magma
Plate Tectonics
Asthenosphere
Lithospheric Plates
20
Sliding boundaries occur when:
Two plates slide past each other
Two plates move apart
Two plates move together
21
Current in the Earth's mantle that TRANSFERS heat in Earth's Interior
Convection Current
Continental Current
Convergent Current
Volcanic Eruption
22
New seafloor is formed when what is forced upward towards the surface at a mid-ocean ridge?
magma
Earth's crust
upper mantle
continental plates
23
One of the seven great divisions of land on the globe.
Country
Continent
Upper Mantle
Tectonic Plate
24
Seafloor spreading states that:
The youngest rocks of ocean floor are converging.
The youngest rocks of ocean floor are diverging
25
How many MAJOR tectonic plates are there on earth?
7
12
24
5
