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Plate Tectonics Flashcards | StudBud
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Plate Tectonics
Plate Tectonics
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Chapter 4 Review
Flashcards
20 cards
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Practice quiz
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Questions
20
Answers
1
True or False. Scientist are 100% sure that plates are moving because of convection currents.
True
False
2
Why didn't other scientists originally believe Alfred Wegener's Continental Drift hypothesis?
He was a meteorologist and only knew about weather & climate
He couldn't explain a force that could move the continents
He didn't have any evidence
He didn't have a college education
3
Scientists finally accepted Wegener's hypothesis after considering the force of ____
ridge push and slab pull
convection currents
gravity
the Coriolis Effect
4
Where would you find the newest seafloor?
At Costco
Between an ocean trench and a mid-ocean ridge
At an ocean trench
At a mid-ocean ridge
5
Which scientist said that the seafloor was spreading?
Christopher Columbus
Harry Hess
Alfred Wegener
J. Tuzo Wilson
6
Which of the following technologies does NOT track the movement of Earth's plates?
GPS
Sonar
SLR
7
True or False. New seafloor is created at mid-ocean ridges.
True
False
8
About how fast are tectonic plates moving each year?
1 to 2 yards every year
1 to 2 centimeters every year
1 to 2 feet every year
1 to 2 miles every year
9
Which scientist combined the ideas of continental drift and seafloor spreading?
Alfred Wegener
Harry Hess
J. Tuzo Wilson
Bill Nye
10
Which scientist said the the Earth's crust was made up of pieces called "plates"
Harry Hess
J. Tuzo Wilson
Bill Nye
Alfred Wegener
11
What helped scientists determine the location of plate boundaries?
The location of earthquakes
The location of volcanoes
The location of earthquakes AND volcanoes
12
Which of the following technologies detect magnetic fields on the seafloor?
GPS
sonar
SLR
magnetometer
13
Both magnetic stripes on the seafloor and seafloor drilling revealed the ___ of the seafloor.
depth
location
age
composition
14
What happens to the seafloor at ocean trenches?
the seafloor stops moving at ocean trenches
New seafloor is created at ocean trenches
seafloor is destroyed at ocean trenches
15
By studying the occurrences of volcanoes and earthquakes, scientists can determine ___
the location of the bermuda triangle
the location of plate boundaries
the location of the mid-ocean ridge
the location of Malaysian Airlines flight mh370
16
What do the letters GPS stand for?
Geological Pickle Sandwich
Geological Positioning Satellites
Global Positioning System
Grapes Pears Strawberries
17
How did scientists map the seafloor?
They used GPS
They used sonar
They used SLR
They used a waterproof pen and paper
18
Which evidence stated that glaciers existed in what are now
tropical
regions?
Fossil evidence
Rock types and mountain ranges
Fit of the continents
Ancient climate evidence
19
Pangaea existed ____ years ago
200 billion
250 million
1 million
2 hundred
20
Which type of crust is more dense?
continental crust
oceanic crust
