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final last chapters

QuestionAnswer
When an active cold front overtakes a warm front ________.    an occluded front forms
A wind shift from south or southwest to northwest is commonly associated with the passage of a ________ front. cold
In the Northern Hemisphere, tornadoes are most frequent during the ________.    April-June period
An mP air mass is ________.    cold and humid
After the center of a mature wave cyclone passes, you should expect ________.    barometric pressure to rise
When an area is experiencing several consecutive days of rather constant weather, it is probably ________.    air-mass weather
Which of the following is considered to be a boundary between two different air masses?    both warm front and cold front
Cold fronts and warm fronts in the middle latitudes are often associated with a ________.    both middle-latitude cyclone and low pressure
The air masses that have the greatest influence on weather conditions in the central United States are ________.    cP and mT
Hurricanes generally are ________.    all of these
Which one of the following statements is NOT true of tornadoes?    usually occur along the warm front of a mid-latitude cyclone
Usually ________ fronts produce several hours of moderate-to-gentle precipitation over a large region. warm
If an observer sees cirrus clouds, followed later by cirrostratus, and then altostratus, he or she is witnessing the approach of a ________ front. warm
Typhoon is another name for a ________. hurricane
Tornadoes most often move TOWARDS what direction? northeast
When a hurricane moves onto land, it rapidly loses its punch; that is, the storm declines in intensity. Which of the factors listed below contribute to this loss of punch?    both friction and lack of warm, moist air
This air mass often originates as a different air mass in Siberia and is subsequently altered. cP
This air mass may produce an occasional "northeaster" in the winter. mP
The eye of a hurricane is ________.    warmer than the rest of the storm
An air mass from the Gulf of Mexico is labeled ________.    mT
A cT air mass is ________.    warm and dry
This air mass is the source of much of the moisture for precipitation in the central and eastern United States. mT
On a weather map, ________ fronts are shown by a line with triangular points on one side. cold
Which of the following should have the steepest pressure gradient? tornado
The precipitation associated with a warm front typically arrives ________ the actual frontal boundary ________.    considerably ahead of
On your model the distance from the Sun to Saturn was 52 cm. false
On your model, the radius of Mars was 0.4 cm. False
On your model, the diameter of neptune was 2.3 cm. True
On your model, the distances between the Jovian planets were smaller than the distances between the terrestrial planets. false
Pluto is 39.3 times farther from the Sun than Earth. true
Uranus is 10 times larger than the Earth. false
The Jovian planets have an atmosphere rich in carbon dioxide gas and water vapor. false
The surface of terrestrial planets are characterized by rocky surfaces while Jovian planets have an icy surface. False
The planet with the highest density is Saturn. false
Mercury's orbit is less in line with the orbital ecliptic than any other planet. true
________ refers to the bright head of a comet. Coma
As the solar system was forming, ________ came closest to undergoing nuclear fusion and becoming a second sun. Jupiter
The belt (orbit) of the asteroids is located between ________.    Jupiter and Mars
This scientist was the first to use the telescope in astronomy. Galileo
The ________ explains how our solar system probably formed from a giant cloud of gases and dispersed solid particles.    nebular hypothesis
Which one of the following is most likely to be associated both with impact craters and with volcanic calderas that originate by collapse?    landslides and other mass wasting movements along the walls of the depression
________ meteorites are thought to be analogous in composition to Earth's core. Iron
Which one of the terrestrial planets has a surface landscape similar to that of the older areas of the Moon? Mercury
Galileo observed several features using the telescope. Which one of the following did he NOT discover?    the two moons of Mars
Which one of the following is not found on Mars?    H2O-rich atmosphere
The first modern astronomer to propose a Sun-centered universe was ________.    Nicolaus Copernicus
________ has a hot, turbulent atmosphere dominated by carbon dioxide. Venus
Most of the Moon's craters were produced by ________.    the impact of debris (meteoroids)
In the Ptolemaic (Greek) model of the universe the ________.    Earth was in the center of the universe
Which one of the following statements is a logical explanation for why the Venusian atmosphere contains much more carbon dioxide than Earth's atmosphere? Because the Earth's atmosphere contains more oxygen than that of Venus and Mars.
The smallest planet in the solar system is ________. Mercury
Which of the following statements concerning ring satellites of the planets is true?    consist of concentrations of particles generally smaller than 10 meters in diameter
The surface features of ________ are known only through satellite radar mapping.    Venus
Carbon dioxide is the major gas in the atmosphere of Venus. True
Which of these lunar features is the oldest?    lunar highlands
Which one of the following is not true of Jupiter?    a rotational speed slower than Mercury
________, a moon orbiting Jupiter, has an unusually smooth, uncratered, ice-covered surface. Europa
________ is the principal gas in the Venusian atmosphere and also a minor component of the atmospheres of Earth and Mars.    Carbon dioxide
________ has the great, dark spot on its surface.    Neptune
The high surface temperatures of this planet have been attributed to the greenhouse effect.    Venus
The Sun belongs to this class of stars.    main-sequence star
When a main-sequence star has exhausted the fuel in the inner region, it becomes a ________.    red giant
The final stage for a star which is as massive as the Sun is a ________.    white dwarf
The discovery that the universe appears to be expanding led to a widely accepted theory called ________.    the Big Bang
Our galaxy is called the ________.    Milky Way galaxy
The measure of a star's brightness is called its ________.    magnitude
The distance to stars can be determined from ________.    stellar parallax
This property of a star can be determined from its color.    surface temperature
A star in which light cannot escape because of the immense gravitational pull at its surface is called a ________.    black hole
Hubble's law states that galaxies are receding from us at a speed that is proportional to their ________.    distance
The most dense stars known to exist are ________.    black holes
One of the most common units used to express stellar distance is the ________.    light-year
Which color stars have the coolest surface temperature? red
The final stage in the evolution of the most massive stars is a ________.    black hole
Which main-sequence stars are the least massive? red
The Sun is considered an average star. true
Which one of the objects listed below has the largest size? galaxies
These stars are produced during a supernova event.    black hole
The point in stellar evolution when a star has used up all its fuel and is radiating away its remaining thermal energy as light is the ________ stage.    white dwarf
A first magnitude star is ________ times brighter than a 5th magnitude star. 10 5 1( i dont know)
Possibly the most cataclysmic event to occur in nature is ________.    a supernova
Which main-sequence stars are the most massive? blue
Most stars are in this stage of evolution.    main-sequence star
Based on the observed red shifts in the spectral lines of distant galaxies, astronomers conclude that ________.    the universe is expanding
Which color stars have the highest surface temperature?    blue
Created by: need2learn
 

 



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