Science Flashcards

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1
Q

Point where an earthquake ruptures and rocks break is the _____ or the _____.

A

focus or hypocenter

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2
Q

Origin point of the earthquake UNDERGROUND.

A

focus

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3
Q

Origin point of the earthquake above the focus, and is on the SURFACE.

A

epicenter

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4
Q

____ is one of the consequences of crustal plate movement.

A

Earthquake

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5
Q

Region that borders the pacific ocean and is frequented by volcanism-related geological activities.

A

Pacific Ring of Fire

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6
Q

Areas within a tectonic plate where magma is abundant.

A

Hot Spots

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7
Q

Places where earthquakes often occur along _______ or _____.

A

Limited zones or belts`

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8
Q

On the edge of the Pacific Plate lie a string of ______ volcanoes.

A

452

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9
Q

A mass of land that rises more than 600m the surrounding land.

A

Mountain

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10
Q

Formation process of mountains and mountain ranges.

A

Orogenesis

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11
Q

What plate boundary movement is called when the plates move like this:

→←

A

Convergent boundaries

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12
Q

What plate boundary movement is called when the plates move like this:

↑↓

A

Transform fault boundaries

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13
Q

What plate boundary movement is called when the plates move like this:

←→

A

Divergent boundaries

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14
Q

It refers to plates that separate and move apart in opposite directions forming new lithosphere.

A

Divergent boundaries

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15
Q

Formed when two plates move towards each other.

A

Convergent boundaries

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16
Q

Plates slide and slip past each other.

A

Transform fault boundaries

17
Q

In convergent boundaries, what is formed if one plate MOVES UNDERNEATH the other?

A

Subduction zone

18
Q

In convergent boundaries, what is formed if the two COLLIDE and COMPRESS?

A

Orogenic belt

19
Q

A region of deformed rocks.

A

Orogenic belt

20
Q

What is the speed of the movement of tectonic plates?

A

2.5 cm per year

21
Q

4 Driving Forces of Plate Movement

Hint:
MC
SP
SP
RP

A

Mantle Convection
Slab Pull
Slab Push
Ridge Push

22
Q

(Driving Forces of Plate Movement)

Definition: Convection currents drive the plates away form each other.

A

Mantle Convection

23
Q

(Driving Forces of Plate Movement)

Definition: When a subducting plate sinks into the hot mantle, and the plates attached to the slab is pulled in as well.

A

Slab Pull

24
Q

(Driving Forces of Plate Movement)

Definition: Occurs between 2 colliding plates, one is subducting underneath the other plate.

A

Slab Subduction

25
Q

(Driving Forces of Plate Movement)

Definition: Happens when the lithosphere is pushed by the asthenosphere because of convection current of from the mantle.

A

Ridge Push