Geology Flashcards

1
Q

Crust

A

Continental- over land, thick, less dense
Oceanic- under ocean, thin, more dense

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2
Q

Lithosphere

A

Tectonic plate, crust, upper mantle

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3
Q

Asthenosphere

A

Where convection currents take place
Upper mantle

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4
Q

Mantle

A

Semi liquid rock, thick, silly putty material

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5
Q

Outer Core

A

Liquid
Nickel
Iron

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6
Q

Inner Core

A

Solid
Iron
Nickel

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7
Q

Divergent Boundaries

A

Exists between two tectonic plates that are moving away from each other

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8
Q

Convergent Boundaries

A

Area where two or more lithospheric plates come together/collide

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9
Q

Transform Boundaries

A

Occurs when two tectonic plates move past one another

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10
Q

Normal Fault

A

When hanging wall moves below your foot wall

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11
Q

Reverse

A

Footwall move below your hanging wall

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12
Q

Strike Slip

A

Slide past each other

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13
Q

Focus

A

Where an earthquake is started, located sort of in the middle

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14
Q

Epicenter

A

Right above fault, determines the fault

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15
Q

Fault

A

Where the 2 blocks collide, located at the top

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16
Q

Primary (P) Waves

A

Fastest

17
Q

Secondary (S) Waves

A

Second fastest, only travels through solid objects

18
Q

Surface (L) Waves

A

Most destructive waves, travel through solid and liquid

19
Q

Igneous

A

Characteristics
-intrusive
-extrusive
-rough
Formed from cooling magma
Examples of it; Pumice, Obsidian, Basil

20
Q

Sedimentary

A

Characteristics
-layers
-brittle
-different sized rocks in the rocks
-pebbles
-grains
-all fossils are found in these rocks, but not all have
Formed through compaction insemination
Examples of it; Limestone and Sandstone

21
Q

Metamorphic

A

Characteristics
-ribbon like bands
-crystals
Formed from high heat and pressure
Examples of it; Marble

22
Q

Highest
Exosphere

A

Temperature decreases as you go higher in it
Where satellites orbit

23
Q

Second highest
Thermosphere

A

Hottest
Temperature increases as you get higher
Has an ionosphere- layer of atmosphere that protects us from gamma radiation and UV lights and solar winds.

24
Q

Third highest
Mesosphere

A

Temperature decreases as you go higher
Where meteors burn up
Shooting stars are found here

25
Q

Second lowest
Stratosphere

A

Temperature increases as you get higher
Where ozone layer is- protects us from UV light

26
Q

Lowest
Troposphere

A

Temperature decreases as you get higher
Where weather happens

27
Q

Weather

A

The state of the atmosphere at a place and time as regards heat, dryness, sunshine, wind, rain, etc.

28
Q

Climate

A

The weather conditions prevailing in an area in general or over a long period

29
Q

Atmospheric Pressure

A

High pressure means we have sunny skies
Low pressure typically means we have stormy weather

30
Q

Greenhouse Effect

A

When we have a lot of carbon dioxide in the air
Allows heat to be trapped in atmosphere

31
Q

Latitude

A

Up and down lines around our planet
At the equator is going to be more tropical than the polar and arctic regions

32
Q

Bodies of Waters/Currents

A

Moderate the climate