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Geography > Test 2 Review > Flashcards

Test 2 Review Flashcards

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1
Q

How many plates are there?

A

15

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2
Q

How fast do the plates move

A

2-3inches a year

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3
Q

Sir Francis Bacon

A

Plates fit like a puzzle

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4
Q

Alfred Wegener

A

Made up pangaea

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5
Q

Continental drift theory

A

Early 1900s
Alfred Wegener
Proposed there was a supercontinent

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6
Q

4 types of plate boundaries

A

Convergent- come together mtns
Divergent- go apart rift valleys
Transform/fault- slip/ grind past San Andreas fault
Subduction- plate gets sucked under

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7
Q

What states are over hot spots?

A

Hawaii

Wyoming

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8
Q

How thick is earth’s crust?

A

5 to 22 miles thick

5 under the ocean

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9
Q

Inner core

A

1
Solid metal
Iron nickel

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10
Q

Outer core

A

2

Molten metal

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11
Q

Mantle

A

3
Thick layer of rock
1800 miles thick

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12
Q

Crust

A

4
Rocky surface
5-22, 5 miles under ocean

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13
Q

Gondwana

A

Gondwanaland
Southern subcontinent
135 million years ago

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14
Q

Pangaea

A

Supercontinent

200 million years ago

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15
Q

Laurasia

A

Northern subcontinent

135 years ago

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16
Q

Ring of fire

A

Circle of volcanoes surrounding the pacific ocean

17
Q

Convection

A

A circular movement caused when a material is heated, expands and rises, then cools and falls.

18
Q

Hot spot

A

Hot regions deep within the earth’s mantle. Columns of magma rise from these regions towards the earth’s surface.

19
Q

Magma

A

Molten rock in the earth

20
Q

Lithosphere

A

Soil
Rocks
Landforms
Other surface features

21
Q

Atmosphere

A

Layer if air, water, and other substances above the surfaces

22
Q

Hydrosphere

A

Water in oceans lakes and rivers and even under the ground

23
Q

Biosphere

A

Plants animals etc

24
Q

Relief

A

The difference in elevation between the highest and lowest points

25
Q

Continental climate

A

The type of climate found in the great central areas of continents in the northern hemisphere characterized by cold snowy winters and hot summers

26
Q

Front

A

Air mass

27
Q

Climate

A

Weather patterns that an area typically experiences over a long period of time

28
Q

Weather

A

The condition of the bottom layer of the earths atmosphere in one place over a short period of time

29
Q

Precipitation

A

All the forms of water that fall to earth from the atmosphere including rain and snow etc

30
Q

Two types of grasslands

A

Tropical

Temperate

31
Q

Deciduous

A

Middle latitudes

Maple

32
Q

Coniferous

A

Northern hemisphere
Cones
Pine

33
Q

Biome

A

Major types of ecosystem

34
Q

Ecosystem

A

Interaction of plant life , animal life , and the physical environment in which they live

35
Q

Permafrost

A

Permanent layer of frost underneath the soil

36
Q

2 main things that distribute heat

A

Convection

Wind

Geography (18 decks)

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