Earth Science 2nd Semester – Flashcards
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As lower layers of air are warmed,
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The air rises
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What air mass generally moves eastward, toward Europe?
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Maritime Polar Atlantic
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A large body of air throughout which temperature and moisture content are similar is an
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Air mass
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A air mass usually brings the weather of
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It's source region
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Continental polar, maritime polar, continental tropical, and maritime tropical are types of
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Air masses
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Air masses responsible for cool, dry air in northern summers are
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Continental polar
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Which of the following is NOT a thunderstorm stage?
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Fading
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What type of oath does a tornado take if it touches the ground?
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Haphazard
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A weather event in which the air sinks and flows outward from a center of high pressure and that brings dry weather is an
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Anticyclone
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A hurricane begins when warm, moist air rises rapidly and the moisture condenses, releasing energy in the form of
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Latent heat
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Radiosonde instruments measure all of the following EXCEPT
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Storm patterns
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What tool do meteorologist use to solve mathematical equations and store data?
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Computer
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Which of the following measurements indicates a southerly wind?
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180
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What does radar use to determine the velocity and location of objects
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Radio waves
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Scientist study upper atmospheric conditions to
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Track global weather patterns
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Marine weather conditions can be monitored by
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Weather satellites
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Doppler radar and satellite images provide information to create
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Weather data
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Weather stations report data to
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Collection centers
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Which of the following types of weather have meteorologist tried to control with freezing nuclei
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Hurricanes
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Symbols and colors communicate weather data on a
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Station model
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Weather maps symbols H and L indicate
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Air pressure centers
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When air moves slowly, it takes on the temperature and humidity of its region becoming an
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Air mass
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When a bend forms In a cold front, it begins the process of creating an area of rotating wind that moves toward the rising air of the central low-pressure region-- a storm known as
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Mid latitude cyclone
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Meteorologist use supercomputers for all the following purposes EXCEPT
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Solving mathematical equations
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Which of the following is not a type of air mass?
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Maritime continental
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What do weather centers all over the world do with the information they collect?
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Exchange it with other centers
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What do scientist use to convey information on a weather map
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Colors and symbols
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Which of the following does NOT measure lower-atmospheric weather conditions
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Radar
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Meteorologist have tried to control all of the following types of weather EXCEPT
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Cyclones
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What do meteorologist use to help them make forecasts from data they have input into computers
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Computer models
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Storm along a cold front are usually short-lived and sometimes violent, while storms along s warm front
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Produce precipitation over a large area, and are sometimes violent
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One weather event that scientists have NOT tried to control is
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Tornadoes
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Which of the following is NOT a main type of air mass
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Mid latitude tropical
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All of the following instruments measure lower atmospheric conditions except
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Radar
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An instrument package that is carried high into the atmosphere by a helium-dulled balloon to measure relative humidity, Air pressure, and air temperature is called an
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Radiosonde
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An air mass that originates in Canada and brings dry, cold weather is called
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Continental Polar
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An thaair mass that originates in the pacific or Atlantic Ocean and brings warm, moist air is called
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Maritime tropical
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A system that uses reflected radio waves to determine the velocity and location if objects
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Radar
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An air mass that originates in the U.S. southwest and brings dry warm air is called
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Continental tropical
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A front forms when a cold air mass overtakes a warm air mass and lifts the warm air mass off the ground and over another air mass is called
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Occluded front
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An air mass that originates in the pacific or Atlantic Ocean and brings cold, moist air is called
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Maritime tropical
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A telescope that uses a set of lenses to gather and focus light from distant objects is a
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Refracting telescope
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The universe began about
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14 billion years ago
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Which of the following has a visible wavelength
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A violet wave
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Telescopes have been sent to space because ground-based telescopes
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Experience interference from earths atmosphere
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Which is NOT part of our solar system
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The Milky Way
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A constellations change in position over several hours is caused by
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Earths revolution around the sun
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Leap year was established because
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Each complete revolution of earth takes 365 1/4 days.
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The northern hemisphere has the most hours of daylight at the
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Summer solstice
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Foucault's pendulum provided evidence that
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Earth rotates
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If it is Monday west of the international date line what day is it east of the line
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Sunday
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A light year equals
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9.4607 x 10^12
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The event which began the universe was the
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Big Bang
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A constellations changing position in the sky, at the same time of the evening, over a period of several weeks evidence that
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Earth revolves around the sun
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The telescope that solved the problem of color separation was the
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Reflecting telescope
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The Coriolis Effect provides evidence that
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Earth rotates on its axis
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Which telescope detects invisible electromagnetic radiation
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Radio telescope
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The period between successive full moon is
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29.5 days
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Invisible electromagnetic radiation was discovered with a
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Thermometer
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Each of earths standard time zones covers about
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15 degrees
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A benefit that 20th century and 21st century space programs have brought to an area outside of astronomy
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Improved heart pumps
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One line of evidence of earths revolution around the sun is
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The varying positions of a constellation over a period of weeks.
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Different colors are the result of
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Varying wavelengths of different colors of light.
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Our current calendar is most like that of the ancient
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Romans
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When it is Saturday east of the international date line, what day is it west of line?
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Sunday
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What problem is solved by sending telescopes into space?
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Interference is earths atmosphere in detecting electromagnetic radiation
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Type of electromagnetic radiation that has waves that are longer than waves of visible light is
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Infrared
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A region where daylight savings time is unnecessary is
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The equator
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Which is NOT a benefit of space exploration to areas outside astronomy?
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More precise prediction of solstices and equinoxes
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Beneath the moons thin crust lies a thick layer in silica, magnesium and iron called the
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Mantle
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The small, iron center of the moon called the
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Core
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In which stage of the moons formation cud parts of Earths mantle join together as they revolved around earth?
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The first stage
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Which of the following pairs are lunar features?
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Rilles & ridges
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Differentiation is the process that formed
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The layers of the moons interior
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New, full, gibbous, quarter, and crescent describe
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Phases of the moon
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The inner, cone-snapped area of an eclipses shadow is called
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Umbra
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How does the gravitational pull of the moon on the side of earth facing the moon compare with its pull on the opposite side?
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It is stronger
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When the moon is waxing, it's lighted part appears to
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Increase in size
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The forces of gravity and inertia together cause
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A barycenter
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Which of the following is NOT a characteristic of Mars moons, Phobos and Deimos?
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Smooth, unmarked surface
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The planet with the most complex set of rings is
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Saturn
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Compared with those of Saturn, the rings of Neptune are
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Small in number and clumpy
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An engineer examining photos discovered volcanoes on
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Io
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Which moon has a thick atmosphere composed almost of entirely of nitrogen and a surface containing lakes or oceans of liquid methane?
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Titan
