Plate Tectonics Flashcards

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1
Q

The lithosphere is made from what two main layers of the Earth?

A

The crust and upper mantle.

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2
Q

Which part of the Earth is broken into pieces that move?

A

The lithosphere

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3
Q

The asthenosphere is made from what main layer of the Earth?

A

The mantle

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4
Q

The plates ride on which molten layer where convection currents occur?

A

The asthenosphere

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5
Q

Which type of plate boundary is where two plates pull apart?

A

Divergent

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6
Q

Which type of plate boundary is where two plates slide past each other in opposite directions?

A

Transform

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7
Q

Which type of plate boundary is where two plates come together?

A

Convergent

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8
Q

What is molten rock that reaches the Earth’s surface called?

A

Lava

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9
Q

What is molten material that remains under the Earth’s surface called?

A

Magma

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10
Q

What are the pieces of Earth’s crust that move around called?

A

Tectonic plates

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11
Q

What is a break in Earth’s crust that moves and can cause earthquakes called?

A

Fault

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12
Q

What is the machine called that records earthquake waves called?

A

A seismograph

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13
Q

What main layer of the Earth is warm and found in the middle?

A

The mantle

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14
Q

What are broken pieces of rock that can form soil or be cemented together to form sedimentary rock?

A

Sediment

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15
Q

What is any crack in the crust that releases lava, ash and gases is called?

A

A volcano

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16
Q

What is a type of energy that uses heat from Earth’s core and mantle called?

A

Geothermal enegy

17
Q

What is the name of the supercontinent made from all the continents joined together in the past?

A

Pangaea

18
Q

What is the name of the process where the Earth is thinned as it is pulled apart?

A

Rifting

19
Q

What happens when the Earth’s crust breaks and releases energy?

A

An earthquake

20
Q

What is the main layer of the Earth in the center that is very hot?

A

The core

21
Q

An ocean trench would be found at which type of plate boundary?

A

Convergent

22
Q

Volcanoes would be found at which two types of boundaries?

A

Convergent and Divergent

23
Q

Which types of plate boundaries could produce earthquakes?

A

Convergent, Divergent, and Transform

24
Q

A mid-ocean ridge would be found at which type of boundary?

A

Divergent

25
Q

The San Andreas Fault is an example of which type of boundary?

A

Transform

26
Q

The Himalayan Mountains are found at which type of plate boundary?

A

Convergent

27
Q

A shield volcano produces more gassy or less gassy lava?

A

Less gassy

28
Q

A stratovolcano produces more gassy or less gassy lava?

A

More gassy

29
Q

Which type of volcano has a low and wide shape because its eruptions are a gentle outflow of lava?

A

Shield volcano

30
Q

Which type of volcano has a tall and steep flank because of violent eruptions of gas, ash, and lava?

A

Stratovolcanoes