stud
bud
Sign up
Log in
Home
Library
Explore
SAT
More
Plate Tectonics & Ocean Floor: ESH Flashcards | StudBud
Explore
/
Plate Tectonics & Ocean Floor: ESH
Plate Tectonics & Ocean Floor: ESH
22 terms
·
StudBud Administration
·
77 plays
Imported from external platform
Flashcards
22 cards
F
Practice quiz
P
Host live
L
Questions
22
Answers
1
Seafloor spreading occurs because of convection in which layer?
Asthenosphere
Outer core
Inner core
Lithosphere
2
Which statement describes an active continental margin
The margin of the Atlantic basin
An area where the crust is moving apart
A region of great geological stability
Area of frequent volcanoes and earthquakes
3
Plates that collide and force plates up form ______ boundaries.
Convergent (collision)
Divergent
Transform
Convergent (subduction)
4
What was the name of Alfred Wegener's hypothesis?
Pangaea
Super Continent
Continental Drift
Plate tectonics
5
Volcanoes are found at _______
Divergent boundaries
Both of these
Subduction boundaries
6
When two continents converge, ________.
a volcanic arc forms on the upper plate
rocks and sediments trapped between are pushed up to make a mountain range
the lighter continent is subducted
the heavier continent is subducted
7
Which is an example of an active, continent-continent collision?
northward movement of Baja California toward Hawaii
westward movement of the South American plate over the Nazca plate
Arabian Peninsula slamming into North Africa under the Red Sea
northward movement of India into Eurasia
8
Plates that pull away from one another = _____ boundaries
Convergent
Canadian
Transform
Divergent
9
The age of the oceanic crust proves that at the plate boundary the plates move
Slide past one another
Away from one another
Toward one another
Are motionless in position
10
Which image best represents an active continental margin ?
Empty choice
Empty choice
Empty choice
Empty choice
11
Alfred Wegener believed all the continents were once joined in a super continent called __
BigOLand
Gonwandwana
Pangaea
Laurasia
12
Which of the following pieces of data supports the idea that a plate is subducting below another?
high frequency of deep earthquakes
mountains forming (higher elevation)
young seafloor age
low frequency of volcanoes
13
Which of the following pieces of data supports the idea that plate boundaries would be moving apart?
young seafloor age
mountains forming (higher elevation)
high frequency of deep earthquakes
high frequency of volcanoes
14
Which was NOT a clue Wegener used to support his hypothesis?
Rock clues
Convection currents
Fossil Evidence
Climate Evidence
15
Active or passive margin?
Active
Passive
16
Where one oceanic plate slide beneath another plate at a subduction zone, what can occur?
Volcanic mountains `
Deep Ocean trench
Earthquakes
All of these
17
"Pull-apart" rift zones where plates move apart are generally associated with which plate boundary?
convergent
divergent
transform
subduction
18
Plates sliding past one another = ________ boundary
Ridge
Transform
Convergent
Divergent
19
Tracking major quakes and volcanoes, we can map The________ _______ of ______
Indian Ring of Danger
Pacific Square of Pain
Pacific Ring of Fire
Atlantic Ring of Fire
20
Bathymetry is best defined as
making maps of the ocean floor
making maps of mountains
making maps of islands in the sea
making maps of land
21
Active or passive continental margin?
Active
Passive
22
Deep ocean trenches are formed at _________
Mid-ocean ridges
hot spots
continent-continent collision
Subduction zones