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Earth Science
Earth Science
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#gnarly #earthscience
Flashcards
16 cards
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Practice quiz
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Questions
16
Answers
1
The inner core is under extreme heat and pressure, so it is "solid" iron and nickel.
False
True
2
Plate tectonics is driven by what process?
Gravity pulling plates apart and pushing others towards
Continents floating away on the oceans
Convection in the mantle
Convention in the mantle
3
The continents were once all connected as a "super continent" known as...
Pancakea
Pangaea
Panchoeia
Pantaea
4
The four major layers of the Earth are (in order from the Earth's surface)...
Crust/Mantle/Lithosphere/Core
Crust/Mantle/Outer Core/Inner Core
Crust/Lithosphere/Asthenosphere/Mantle
Crust/Mantle/Inner Core/Outer Core
5
Seafloor spreading states that...
None of the above
Magma seeps out from ocean ridges, new seafloor is created
Plates spread apart and trenches are formed
Magma seeps out to fill trenches, creating new seafloor
6
What type of evidence did Alfred Wegener use to support his Continental Drift Theory?
All of the above
Fossil Clues
Puzzle like fit of the continents
Rock Clues
7
If you were to travel from Maine to the Mid-Atlantic Ridge, the seafloor rock would be...
Getting older
Getting younger
Staying the same age, it's rock
8
Tectonic plates move on the...
Asthenosphere
Outer Core
Crust
Lithosphere
9
The Earth's lithosphere is composed of (BLANK) and (BLANK).
Crust/Upper-most Core
Upper-most Mantle/Core
Crust/Upper-most Mantle
Asthenosphere/Lithosphere
10
Which theory uses Pangaea as a piece of supportive evidence?
Continental Swim Theory
Plate Tectonics
The Pangaea Effect
Continental Drift Theory
11
At a divergent plate boundary...
Tectonic plates move apart
Tectonic plates do not move
Tectonic plates slide past one another
Tectonic plate move towards
12
Similar mountain ranges found in North America and Greenland are an example of climate clues.
True
False
13
Convection cells circulate mantle material from areas close to the core to the crust and back.
False
True
14
Subduction is the...
Action where plates buckle
Action where plates spread apart
Action where one plate moves underneath another plate
15
The mechanism which explains continental drift (that Wegener was missing) is called...
Plate relocation
Plate movement
Plate technics
Plate tectonics
16
A convergent plate boundary is considered a...
Conservative Boundary
Destructive Boundary
Destroyer Boundary
Constructive Boundary
