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Geoscience > Other > Flashcards

Other Flashcards

0
Q

How far is earth around?

A

40,000 km (25,000 mi)

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1
Q

Example of remote sensing

A

Electromagnetic radiation (radio waves)

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2
Q

What is remote sensing?

A

When info is gathered but you’re not actually there

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2
Q

What is S.O.N.A.R.?

A

SOund Navigation And Ranging

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4
Q

Longitude lines run…

A

North to south

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4
Q

How many GPS satelites does earth have in total?

A

24

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5
Q

Meridians are the same as…

A

Longitudes

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6
Q

Latitude lines are measured…

A

North to south

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7
Q

How far apart are latitudes?

A

15*

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8
Q

What are the uses for radar and sonar?

A

Military, scientific in astronomy and meteorology

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10
Q

Parallels are the same as…

A

Latitudes

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12
Q

How many satelites are needed to get a good GPS reading?

A

4

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13
Q

Who was GPS developed by?

A

DARPA and maintained by the Air Force

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14
Q

What is R.A.D.A.R.?

A

RAdio Detection And Ranging

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15
Q

Longitude lines are measured…

A

East to west

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16
Q

How many orbital planes does earth have?

A

6

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17
Q

Latitude lines run…

A

East to west

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21
Q

How far apart are longitudes?

A

10*

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22
Q

Three causes of natural ice age?

A

Earth’s orbit, tilt of the Earth, Earth’s wobble

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23
Q

How often do ice ages occur?

A

Every 125,000

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24
Q

How large is earth around

A

40,000 km around (25,000 mi)

25
Q

How far apart are meridians?

A

10*

26
Q

Formula for density

A

Volume

27
Q

Density is measured in…

A

3

Cm

28
Q

Frequency

A

of waves that pass through a particular point per second

29
Q

Arrangement of electromagnetic radiation according to wavelengths

A

Electromagnetic spectrum

30
Q

What satelite receives reflected wavelengths pf energy emitted by earths surface?

A

Landsat satellite

31
Q

What satellite use radar to map features on the oceans floor?

A

Topex/poseidon satellite

32
Q

Topex stands for

A

Topography experiment

33
Q

What technology uses sonar to map the ocean floor?

A

Sea beam

34
Q

Distance in degrees north of south of equator

A

Latitude

35
Q

Equator is at

A

0* latitude

36
Q

Prime meridian is at

A

0* longitude

37
Q

One degree of latitude is equal to

A

111 km on earth

38
Q

How many time zones does earth have

A

24

39
Q

How many science classes do you need to graduate?

A

6 (30 credits)

40
Q

2 branches of geology

A

Physical and historical

41
Q

If no material will dissolve in a liquid, it is

A

Saturated

42
Q

How much of earths water is in oceans

A

97%

43
Q

What meet at both poles?

A

Longitude and meridians

44
Q

Cycles that cause natural ice ages

A

Eccentricity
Axial tilts
Precession

45
Q

Most effective greenhouse gas

A

Water vapor

46
Q

Father of geology

A

James hutton

47
Q

States present processes are the same as the ancient processes

A

Uniformitarianism

48
Q

Castrophism

A

Sudden change of random intervals

49
Q

Shale is a ___stone because…

A

Mudstone because it breaks into think layers

50
Q

Law of original horizontality

A

All rock is originally horizontal

51
Q

Law of superpostition

A

Soil is built from ground up so oldest material is on bottom newest on top

52
Q

Law of cross cutting

A

An igneous intrusion or upcoming magma is younger than the layers which it cuts

53
Q

Law of lava flows

A

A lava flow is younger that which the layers that it covers

54
Q

Man made climate change is caused by

A

Carbon sinks (resovoirs) becoming co2 in the atmosphere

Geoscience (9 decks)

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