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?

26
Q

Formula for density

27
Q

Density is measured in…

28
Frequency
of waves that pass through a particular point per second
29
Arrangement of electromagnetic radiation according to wavelengths
Electromagnetic spectrum
30
What satelite receives reflected wavelengths pf energy emitted by earths surface?
Landsat satellite
31
What satellite use radar to map features on the oceans floor?
Topex/poseidon satellite
32
Topex stands for
Topography experiment
33
What technology uses sonar to map the ocean floor?
Sea beam
34
Distance in degrees north of south of equator
Latitude
35
Equator is at
0* latitude
36
Prime meridian is at
0* longitude
37
One degree of latitude is equal to
111 km on earth
38
How many time zones does earth have
24
39
How many science classes do you need to graduate?
6 (30 credits)
40
2 branches of geology
Physical and historical
41
If no material will dissolve in a liquid, it is
Saturated
42
How much of earths water is in oceans
97%
43
What meet at both poles?
Longitude and meridians
44
Cycles that cause natural ice ages
Eccentricity Axial tilts Precession
45
Most effective greenhouse gas
Water vapor
46
Father of geology
James hutton
47
States present processes are the same as the ancient processes
Uniformitarianism
48
Castrophism
Sudden change of random intervals
49
Shale is a ___stone because...
Mudstone because it breaks into think layers
50
Law of original horizontality
All rock is originally horizontal
51
Law of superpostition
Soil is built from ground up so oldest material is on bottom newest on top
52
Law of cross cutting
An igneous intrusion or upcoming magma is younger than the layers which it cuts
53
Law of lava flows
A lava flow is younger that which the layers that it covers
54
Man made climate change is caused by
Carbon sinks (resovoirs) becoming co2 in the atmosphere