test 1 Flashcards

1
Q

what is the purpose of science

A

unmasks the mysteries of the world, natural phenomena (physical, biological, chemical, geological)

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2
Q

another purpose of science

A

use the understanding of the world to improve the quality of life

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3
Q

science is a discipline that depends on

A

observation, experimentation, and analysis

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4
Q

can a scientific experiment prove a fact to be true

A

they cannot prove facts to be true, but they disprove ideas. we can find things to be untrue and then we settle for best explanation

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5
Q

theory is different from a hypothesis because

A

an explanation of a variety of natural phenomena that has met many observational and experimental tests

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6
Q

a hypothesis

A

an educated guess based on available information.

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7
Q

a hypothesis has to be

A

testable by experiment, and must be falsifiable.

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8
Q

a hypothesis can

A

be supported or rejected, not proven to be true

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9
Q

would a theory, law, or hypothesis be the easiest to be disproven

A

a hypothesis

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10
Q

what are the steps of scientific method

A

hypothesis, study design, data collection, data analysis, conclusion

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11
Q

how many observations

A

at least three. the higher number the more accurate, but not always practical.

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12
Q

what percent of earth is covered by water

A

71%

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13
Q

what percent of water are in the oceans

A

97%

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14
Q

2% of water where

A

glaciers and polar ice caps

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15
Q

0.1% where

A

surface water

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16
Q

what are the 5 oceans

A

arctic, pacific, atlantic, southern, and indian ocean

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17
Q

what is the largest ocean

A

pacific

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18
Q

what is the smallest ocean

A

arctic

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19
Q

what is the deepest ocean

A

pactific

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20
Q

what is the most shallow ocean

A

arctic ocean

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21
Q

what are some of the influences oceans have

A

atmospheric gas concentrations, water distribution, heat balance, weather systems and climate, is the mother of life

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22
Q

coast def

A

where the ocean meets the land

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23
Q

coastal waters

A

overlie the continental shelf

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24
Q

what influences coastal processes

A

wave energy, its direction, and its intensity.

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25
Q

what is the general depth limit of coastal waters

A

generally less than 200 m deep

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26
Q

what is the landward limit

A

highest point reached by the tide

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27
Q

seaward limit

A

the point where waves no longer significantly interact with the seabed

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28
Q

trailing edge coasts plates

A

on the back side of a plate moving towards another plate

29
Q

collision margin coast plates

A

when a plate collides with another plate

30
Q

where are the collision boundary

A

the northern pacific coast

31
Q

where is the transform boundary

A

southern pacific coast

32
Q

erosional coastlines

A

when sediment is carried away, more energy

33
Q

where do erosional coasts occur

A

west coast of us and maine on east coast, rocky, cliffs

34
Q

depositional coasts

A

deposition of sedimentary material, less energy

35
Q

where do depositional coasts occur

A

south eastern coast and gulf of new mexico

36
Q

main type of sand in new england states

A

high cliffs, rocky beaches, some sandy beaches

37
Q

what has one of the shortest shorelines in US

A

new hampshire

38
Q

mid atlantic states

A

ny, nj, delaware, maryland, virginia

39
Q

new england

A

maine, new hampshire, vermont, massachusettes, rhode island, connecticut

40
Q

what are mid atlantic beaches like

A

cold water, sandy beaches, micro-mesotidal

41
Q

south atlantic states

A

nc, sc, georgia, florida

42
Q

what are south atlantic beaches like

A

sandy beaches, semi and subtropical climate. meso and microtidal

43
Q

gulf of mexico states

A

florida, alabama, mississippi, louisiana, texas

44
Q

what are gulf of mexico shores like

A

broad continental shelf, sandy shores, diurnal tides, microtidal

45
Q

pacific coast states

A

washington, oregon, california

46
Q

what are pacific coast beaches like

A

rocky cliffs, bedrock. mixed semidiurnal tides

47
Q

what states has the longest shoreline

A

louisiana, florida, cali

48
Q

which states have the shortest shoreline

A

new hampshire, alabama,

49
Q

maine tidal range

A

macro-mesotidal

50
Q

south carolina tidal range

A

micro-mesotidal

51
Q

florida tidal range

A

meso-microtidal

52
Q

gulf states tidal range

A

microtidal

53
Q

washingtons tidal range

A

meso-macrotidal

54
Q

california tidal range

A

mesotidal

55
Q

how are barrier islands of georgia known for

A

many endangered species

56
Q

how are maines islands different

A

knwon for productive fisheries

57
Q

what states have whitest sand

A

california

58
Q

when did the pangea break up

A

200 million years ago

59
Q

what is responsible for movement of plates (lithosphere)

A

convection currents in mantle

60
Q

plate tectonic theory accounts for

A

mid ocean ridge, trenches, crustal faults, mountain ranges, islands

61
Q

convergent

A

plates move towards each otehr

62
Q

convergent plates occur near

A

trenches, islands

63
Q

divergent

A

away from each other

64
Q

divergent occurs where

A

mid ocean ridges

65
Q

transform plates

A

slide by each other

66
Q

transform boundaries occur where

A

breaks in ridges

67
Q

how are oceanic and continental crusts different

A

oceanic is more dense, lower buoyancy. younger than continental

68
Q

what is the ring of fire

A

an area with high and consistent tectonic activity. forms ring of volcanic and earthquake acitivity