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Plate Tectonic Evidence Flashcards | StudBud
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Plate Tectonic Evidence
Plate Tectonic Evidence
20 terms
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StudBud Administration
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Student will review boundaries, features and evidences for plate tectonics.
Flashcards
20 cards
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Practice quiz
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Questions
20
Answers
1
The purple lines in this diagram show the locations of...
trenches
island arcs
continental shelf
mid-ocean ridges
2
What process is being shown in this diagram?
sea-floor spreading
convection
subduction
radioactive decay
3
This diagram shows the evidence for...
plate tectonics
subduction
continental drift
radioactive decay
4
The name of the supercontinent formed is...
Kiliua
Laurasia
Pangaea
Gondwanaland
5
The youngest rocks on the ocean floor are located...
near volcanoes
near continents
at mid-ocean ridges
on the north and south poles
6
The idea that continents have slowly moved to their current locations is called....
convection
continental slope
magnetic reversal
continental drift
7
This diagram shows...
mapping the ocean floor
radioactive decay
seafloor spreading
subduction
8
The heat that causes convection is generated from...
the mantle
human activity
the sun
radioactive decay
9
What feature physical feature formed at a distance of about 3000 km?
Island Arcs
Continental Slope
Mid-ocean Ridge
Earthquakes
10
Old ocean floor melts at a..
subduction zones
mid-ocean ridges
hot spots
magnetic poles
11
Plate motion is caused by...
convection
subduction
fusion
radioactive decay
12
Continental drift is support by the presence of the same ____________ on several continents.
mountain ranges, rift valleys, magnetic fields
ocean ridges, geomagnetism, trenches & island arcs
fossils, rock layers, past climate data & continent shapes
ice cores, radioactivity, convection
13
Magnetic reversals, island arcs, trenches, and mid-ocean ridges are evidences for...
continental drift
radioactive decay
plate tectonics
seafloor spreading
14
How is continental drift and seafloor spreading related?
Seafloor spreading proved the idea of continental drift
Evidence for both ideas formed the theory of Plate Tectonics
both ideas explain volcanoes and earthquakes
both ideas have been proven incorrect
15
This diagram shows a(n)...
magnetic changes in the ocean floor
convection in the mantle
radioactive decay inside the core
subduction at the edges of plates
16
Fossils, mountain ranges, past climate data and puzzle like shapes of land are evidences for..
Continental Drift
Plate Tectonics
Magnetic Reversal
Sea-floor Spreading
17
Scientists used __________________ to map the ocean floor.
radioactive decay
magnetism
video recorders
sonar/echo waves
18
How prepared are you for tomorrow's test?
I need to study!`
I've got this!
I will take my chances
There's a test tomorrow?
19
What process is this diagram showing?
convection
subduction
sea-floor spreading
radioactive decay
20
Which of the following is used as evidence of seafloor spreading?
rock layers in the ocean
magnetic pole reversals
fossils of extinct animals
climate records
