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TIMOTHY Earth Science Timothy > Chapter 17 > Flashcards

Chapter 17 Flashcards

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1
Q

What is an earthquake

A

And earthquake Consists of a series of shock waves traveling through the earth

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2
Q

It is an elastic rebound

A

The movement of rocks shift to their unstressed positions

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3
Q

What is a seismograph

A

used to detect and measure earthquake waves

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4
Q

What is the Richter scale

A

Named For Charles Richter used to rate

earthquakes

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5
Q

What is the magnitude

A

Magnitude is the energy released from an earthquake

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6
Q

What is intensity

A

Intensity is the measure of the destructiveness of an earthquake

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7
Q

What is focus

A

Focus is the center of an earthquakes activity

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8
Q

What is an epicenter

A

The epicenter is the place on the earths surface that is directly above the earthquakes focus(center)

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9
Q

What is a tsunami

A

Devastating waves

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10
Q

What is a P wave

A

A P wave is the first wave of an earthquake

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11
Q

What is a S wave

A

A S wave is the second wave of an earthquake

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12
Q

What is a L wave

A

The L wave is the last wave of an earthquake. It is the most destructive wave

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13
Q

What is a volcano

A

A volcano is a landform built up by solidified molten rock that has come to the earths surface through a vent from a source of magma deep in the earth

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14
Q

What is a vent

A

A hole widened by magma

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15
Q

What is lava

A

Magma above the surface

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16
Q

What is a volcanic cone

A

It is where ejected lava may solidify around the vent

17
Q

What is a crater

A

A crater is a depression at the top of the volcanic cone

18
Q

What is it caldera

A

I caldera is a huge depression on top of the volcano

19
Q

What is a glowing avalanche

A

A hot mixture of solid particles suspended in water vapor or other gases

20
Q

What is the lahar

A

I lahar is a volcanic mudslide

21
Q

What is a fumaroles

A

Fumaroles are vents in the ground

22
Q

What is Ash

A

Ash is a fine mist of solid lots of particles

23
Q

What is pyroclastic material

A

Pyroclastic materials are solidified lava containing ash senders bombs and sometimes large chunks of rock

24
Q

What is tephra

A

Tephra is an accumulation of loose ash

25
Q

What are cinders

A

Cinders are. Like ash but are larger

26
Q

What are bombs

A

Bombs are blocks of llama that solidify as a fly through the air

27
Q

What are shield volcanoes

A

Shield volcanoes are. Dumb shaped that emit runny lava

28
Q

What is a Cindercone

A

Volcanoes that explosively eject pyroclastic material to produce send her phones

29
Q

What is a composite come

A

A volcano that ejects lava and then pyroclastic material alternating is called a composite cone

30
Q

What is the strata volcano

A

A stratavolcano is also a composite cone

31
Q

What is an active volcano

A

An active volcanoes one that has a rep did within history and show signs that it could erupt anytime

32
Q

What is a dormant volcano

A

A dormant volcano has not directed in our history but has the ability to rent

33
Q

What is an extinct volcano

A

Volcano that won’t erupt

34
Q

What is the Circum Pacific belt

A

Circum pacific belt is called the ring of fire

35
Q

What is geothermal gradient

A

Geothermal gradient is the change of temperature with depth

36
Q

What is a Hot Spring

A

Hot springs were heated water rises to the surface

37
Q

What is a mug pot

A

I meant pot is a Hot Spring with mud

38
Q

What is a geyser

A

The guys are is a thermal spring they just water from the ground in intervals

39
Q

What is geothermal energy

A

Geothermal energy is heated groundwater used as an energy source

TIMOTHY Earth Science Timothy (12 decks)

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