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Plate Tectonics
Plate Tectonics
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Earth Science Grade 7 Chapter 3 Vocab Review
Flashcards
15 cards
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Practice quiz
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Questions
15
Answers
1
A plate boundary where two plates move past each other in opposite directions
transform boundary
convergent boundary
divergent boundary
2
A plate boundary where two plates move toward each other.
transform boundary
convergent boundary
divergent boundary
3
where the oceanic crust bends downward below continental crust
sea-floor spreading
mid-ocean ridges
deep-ocean trench
4
mountain ranges in the ocean
mid-ocean ridges
trenches
islands
volcanoes
5
A plate boundary where two plates move away from each other.
convergent boundary
divergent boundary
transform boundary
6
Who came up with the idea of continental drift?
Einstein
Wegener
Newton
Mr Dawson
7
The process of oceanic crust going under continental crust
subtraction
subterranean
subduction
substandard
8
What causes magnetic striping of the rocks on the ocean floor?
convection currents
plate tectonics
lava
magnetic field reversals
9
Breaks in Earth's crust where rocks have slipped past each other.
crack
fault
line
plate
10
When the Earth's surface moves and the ocean floor spreads apart
mantle convection
destructive forces
subduction
sea-floor spreading
11
The kind of rock found when lava meets water and cools quickly
bed lava
blanket lava
water lava
pillow lava
12
A supercontinent that existed about 300 million years ago
Africa
Pangea
Europe
Asia
13
Any trace of an ancient organism that has been preserved in rock
amber
rock
fossil
mineral
14
The idea that continents slowly move across Earth's surface.
continental drift
continental crust
continental float
continental shuffle
15
When two continental crusts meet, what is created?
high mountains
mid ocean ridges
deep ocean trenches
rift valleys
