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