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Tectonic Plate Unit Review
Tectonic Plate Unit Review
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Plate Tectonics Science
Flashcards
30 cards
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Practice quiz
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Questions
30
Answers
1
Convergent boundaries force the denser plate under the less dense plate. What is this called?
Fault
Subduction
convergent
2
Rocks near mid-ocean ridges are _________ rocks further away.
older than
younger than
3
What is the lithosphere?
the outer, rigid part of the mantle and the crust combined
another name for Earth's crust
the part of the core that is closest to the mantle where it is coolest
the part of the mantle near the core where it is hottest
4
What type of boundary is represented in this picture?
Divergent
Convergent
Transform
5
Which statement best explains the difference in the frequency of earthquakes in CA versus DC?
DC has few earthquakes but will eventually have more
DC is not on a plate boundary where earthquakes are frequent
DC has fewer seismographs & unable to detect all earthquakes
6
A trench forms at what kind of plate boundary?
Convergent
Divergent
Transform
7
A statement that’s accuracy can be tested by experiments and through observations is formally called a ___________.
conclusion
hypothesis
Idea
proposition
8
Who later found evidence in fossils, rocks, & mountain ranges to support the hypothesis?
Abraham Lincoln
Alfred Wegener
9
Which statement describes the Nazca plate and the South American plate?
South American and Nazca Plates are transform boundaries
South American and Nazca Plates are divergent boundaries
South American and Nazca Plates are convergent boundaries
10
The North American and Caribbean plate are ________________ boundaries
divergent
convergent
transform
11
What evidence does the map provide that we can use to support the continental drift hypothesis?
The continents fit well together.
Similar mountain ranges are located on several continents.
Several continents have similar rock formations.
Similar plant fossils are found on several continents.
12
A device used to measure seismic waves
seismograph
thermometer
scale
13
How many major tectonic plates are there?
11
8
15
7
14
Which statement BEST describes the interactions of the South American & African plates?
South American and African Plates are transform boundaries
South American and African Plates are convergent boundaries
South American and African Plates are divergent boundaries
15
Volcanic and earthquake activity produce vibrations in the ground called _________ ___________.
seismic waves
seismogram
subduction zone
16
Molten rock outside a volcano is called lava.
True
False
17
Convergent and divergent boundaries cause
earthquakes
earthquakes and volcanoes
volcanoes
18
A chain of volcanoes and earthquakes circling the pacific ocean is called the
Ring of Volcanoes
Fire Rings
Pacific Ring of Fire
Lord of the Rings
19
Continents drifted to their positions after being part of a giant landmass that broke apart
continental drift
Pangaea
20
The crust beneath oceans, ________ crust, is thinner than the crust beneath continents, _______ crust.
oceanic; continental
water; land
aquatic; rocky
marine; terrestrial
21
A chain of volcanic mountains found on the seafloor is called a __________.
continental shelf
trench
mid-ocean ridge
fracture zone
22
Which of the following statements about Wegener’s hypothesis is NOT true?
Wegener thought all the continents used to be a landmass called Pangaea
Wegner was unable to determine what force pulled the continents apart.
Wegener was the first to come up with the idea.
Wegener’s hypothesis was supported by the fossil record.
23
Which does NOT drive plate motion?
Subduction
radiation
Seafloor Spreading
Convection in the Mantle
24
A break in Earth’s crust where the rocks on either side have moved
seismograph
fault
subduction
lithosphere
25
Most geologists think that the movement of Earth’s plates is caused by __________.
radiation
convection
conduction
earthquakes
26
What type of boundary does this picture represent?
Convergent
Divergent
Transform
27
Rocks on sides of the mid-ocean ridge pull away allow molten rock to rise & form new seafloor
seafloor spreading
subduction zone
28
Transform boundaries can cause earthquakes and volcanoes.
True
False
29
The name of a Flemish mapmaker that noticed the continents might fit like pieces of a puzzle.
Abraham Lincoln
Abraham Ortelius
30
When a denser oceanic plate is pushed underneath a continental plate:
continental drift
seafloor spreading
subduction
