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Ch 17 The Atmosphere: Structure and Temperature Flashcards | StudBud
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Ch 17 The Atmosphere: Structure and Temperature
Ch 17 The Atmosphere: Structure and Temperature
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earth science atmosphere
Flashcards
30 cards
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Questions
30
Answers
1
Most important weather phenomena occur in what layer of the atmosphere?
mesosphere
thermosphere
troposphere
stratosphere
2
What is the middle layer of earth's atmosphere?
troposphere
stratosphere
thermosphere
mesosphere
3
All matter is composed of atoms or molecules that have energy of motion, also known as _____.
radiation
solar energy
kinetic energy
potential energy
4
Many clouds have a high albedo and therefore tend to ______.
radiate sunlight
reflect sunlight
absorb sunlight
transmit sunlight
5
When (heat) energy is transferred to air, what happens to the particles of air?
they particulate
they move faster
They move slower
they cool down
6
Electromagnetic waves travel through space at a speed of _________.
30,000 km/sec
300,000 km/sec
3,000,000 km/sec
3000 km/sec
7
What layer of atmosphere contains ozone that filters UV radiation?
ionosphere
mesosphere
stratosphere
troposphere
8
Which electromagnetic waves have the shortest wavelengths?
radio
x rays
gamma
infrared
9
When air transfers energy (heat) to a cooler object, what happens to the air temperature?
it decreases
it increases
it stays the same
10
What are isotherms?
lines that connect points of equal pressure
lines that connect points of equal elevation
lines that connect points of equal latitude
lines that connect points of equal temperature
11
What is the lowest layer of the atmosphere?
mesosphere
stratosphere
thermosphere
troposphere
12
What is the most abundant gas in the earth's atmosphere?
water vapor
oxygen
nitrogen
carbon dioxide
13
Which process involves mass movement within a substance?
reflection
conduction
convection
radiation
14
Which date would the north pole or Arctic circle have 24 hours of daylight?
September 21-22
Dec 21-22
June 21-22
March 21-22
15
At noon on August 29, the sun is overhead at ____.
between equator and 23.5 degrees north heading north.
somewhere between the equator and 23.5 north, heading south
23.5 degrees north
at the equator
16
At night, clouds act as a blanket by ______.
reflect incoming radiation
absorbing incoming radiation
absorbing outgoing radiation
reflect outgoing radiation
17
Fifty percent of the gases that make up the atmosphere are found below _____.
5.6 km
5.6 miles
12.8 miles
16.2 km
18
Earth's atmosphere is divided into layers that are based upon their _______.
temperature gradient
relative humidity
water content
gas content
19
What causes heat, or the transfer of energy from one object to another?
differences in temperature
differences in pressure
high albedos
low albedos
20
The heating of the lower atmosphere from radiation absorbed by certain heat-absorbing gases is?
the adiabatic effect
the photosynthesis effect
smog
the greenhouse effect
21
What are the main components (gases) of the atmosphere?
nitrogen and carbon dioxide
nitrogen and oxygen
oxygen and water vapor
oxygen and carbon dioxide
22
What is the form of oxygen that combines 3 oxygen atoms into each molecule?
chlorofluorocarbons
argon
ozone
super oxygen
23
Carbon in the atmosphere is most often found as which of the following compounds?
carbon dioxide
chlorofluorocarbons
ozone
carbon monoxide
24
The primary wavelengths of radiation emitted by Earth's surface are _____
longer than those emitted by the sun
shorter than those emitted by the sun
about the same as those emitted by the sun
25
The two most important heat absorbing gases in the lower atmosphere are
ozone and chloroflurocarbons
water vapor and carbon dioxide
oxygen and nitrogen
argon and hydrogen
26
Practically all clouds and storms occur in this layer of the atmosphere?
thermosphere
troposphere
stratosphere
mesopshere
27
When do the sun's rays strike latitude 23.5 S at an angle close to 90 degrees (vertical)?
June 22
Mar 22
Sept 22
Dec 22
28
Earth receives energy from the sun through what method of heat transfer?
convection
conduction
radiation
29
Which of the following is NOT a temperature control?
cloud cover
nitrogen
ocean currents
geographic position
30
Air temperature on a cloudy night is generally _______
lower than on a clear night
less predictable than on a clear night
higher than on a clear night
the same as on a clear night