Ch 1-6 – Flashcard

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The Sun is a star in the ____ galaxy
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Milky Way
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Earth's Diameter is CLOSEST to _____ kilometers
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12,000
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The response to Earth's rotation is
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polar flattening
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The first nearly correct measurement of the Earth's circumference was made by ______.
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Eratostenes
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"Greenwich Mean Time" is also known as _____.
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Universal Time Coordinated
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The Sun's rays are directly overhead at the ______ on or about December 21.
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Tropic of Capricorn
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The north end of Earth's axis points towards
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Polaris
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How many degrees of latitude are there between the Tropic of Cancer and the Tropic of Capricorn?
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47
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The Greenwich Meridian is also known as the _____________.
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Prime Meridian
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At the Equator (0 degrees), a given point on Earth's surface travels about _______ kilometers per hour.
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1,600
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Near the North Pole, one degree of latitude extends _____ kilometer(s) on the ground.
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111
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The world is divided into _________ standard zones.
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24
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Before time zones were created in the 1880s, one could encounter ____________ time standards on a rail trip across the United States.
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more than 20
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Of the following, which is a great circle?
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Equator
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Of the following, which is the first day of spring?
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vernal equinox
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The maximum distance between Earth and Sun occurs in July and is called the ________.
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aphelion
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On June 21, the Sun's rays are directly over the
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Tropic of Cancer
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The fact that at any time during the year, the Earth's axis is parallel to its orientation at all other times is called parallelism, or ______
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polarity
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Russia is the country containing the most time zones. It contains ______ zones
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9
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The altitudinal difference (relief) between the top of the tallest mountain and the bottom of the deepest ocean trench is CLOSEST to ______ kilometers
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20
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The U.S. spans _____ time zones
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6
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The closest position taken by the Earth relative to the Sun is _____ million kilometers
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147
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When the circle of illumination just touches the Arctic Circle and the North Pole is dark, the date is closest to
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December 21
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The geographic grid line 180 degrees of longitude from the Prime Meridian is the ______
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180th Meridian
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Our solar system contains________moons revolving around the planets
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more than one hundred (100+)
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A cross section of Earth cut from pole to pole would reveal which shape?
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ellipse
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How many time zones are contained within Alaska?
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1
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A ________ separates Earth into two hemisphers
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great circle
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Longitude is divided into multiples of ______ degrees for the purpose of delimiting standard time zones.
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15
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Eratostenes was the first to accurately measure the Earth's _______
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circumfrence
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Universal Time Coordinated is also known as ______________
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Greenwich Mean Time
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The 0 degree Meridian is the same line as the ______
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Prime Meridian
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A spot on Earth's surface rotates fastest at the __________
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Equator
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One degree of longitude equals 0 miles on the ground at the ______________
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North Pole
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The distance of 150,000,000 kilometers is CLOSEST to being ___________
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the average Earth/Sun distance
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The Milky Way is one of, at least, _______ galaxies in the Universe
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two hundred billion
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The Earth/Sun aphelion occurs once per year during the month of _______
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July
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When the Sun's rays are directly overhead at the Tropic of Capricorn, it is _____________-
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December 21
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At the time of the aphelion, Earth is _________ million kilometers from the Sun.
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152
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The Milky Way is a galaxy some _______light years in diameter
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100,000
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The solar system's Jovian planets are most likely composed of ___________
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gas
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The moon is some _______ kilometers distant from Earth
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385,000
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In science, the term "theory" is
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the highest order of understanding
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At the International Date Line, there is a change of ______
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day
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The farthest north the vertical rays of the Sun ever reach north of the Equator occurs on or about _______
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June 21
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Standardization in world time zones dates from ________
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1884
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the Earth is 3.3 percent closer to the Sun during the Northern Hemisphere ________ than when it is the farthest away.
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winter
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On both the Spring and Fall equinoxes, the Sun's rays are vertically overhead at the ____________
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Equator
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The highest numbered latitude used in the geographic grid is ______ degrees.
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90
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Which of the following is out of order in the ideal application of the scientific method? A) observe a phenomenon that stimulates a question B) design an experiment C) observe the outcome of an experiment D) formulate a rule E) make a hypothesis
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E) make a hypothesis
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Which of the following is a central meridian in the standardized time system? 5 d W, 10 d W, 15 d W, 20 d W, 25 d W
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15 degrees West
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A(n) _________ is a vertical piece of metal on a sundial.
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gnomon
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The constant angle between Earth's axis and the Plane of the Ecliptic is called Earth's ______
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polarity
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The circle of illumination just touches the Antarctic Circle on or about _______
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June 21
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The acceptance of a theory or hypothesis is based on ________
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a preponderance of evidence
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Numbered meridians
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are semicircles
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The most important physical effect of the Earth's rotation is ________
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the alternation of sunlight and darkness
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The solid, inorganic portion of the Earth's system is known as the ________
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lithosphere
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The size of the Universe is best described as
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vast beyond comprehension
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A nebula is
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a cloud of gas and dust
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The surfaces of the inner planets of our solar system seem to be composed of
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mineral matter
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The Milky Way is one of over _________ galaxies in the Universe
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many billions
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After it was part of a nebula and before it was the Sun, our Sun was a
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protostar
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Mt. Everest is the tallest mountain on Earth and its altitude is closest to ______ meters
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9,000
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The best description of the actual shape of the Earth is as a(n)
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oblate spheroid
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The Earth is one of ______ planets in our solar system
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8
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The Earth rotates about its
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axis
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Which of the following is NOT defined by latitude? A) parallel B) Arctic Circle C) Antarctic Circle D) North Pole E) meridian
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E) Meridian
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Which of the following distances is CLOSEST to the actual distance associated with one degree of latitude?
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100 km
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Which of the following best describes the latitude and longitude of North America?
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Northern and Western Hemispheres
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Suppose you are standing on the standard time meridian of 75 degrees West. Which would be the next standard time meridian west?
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90 degrees west
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Which of the below takes the LONGEST time?
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a revolution of the Earth
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The angular inclination of the Earth's axis with respect to a line perpendicular to the Plane of the Ecliptic
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is 23.5 degrees
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At the June solstice, day length varies from _____ hours at the Equator to _____ hours at the North Pole.
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12, 24
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The perihelion is during the month of
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January
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Which of the following subsystems includes all living things on Earth?
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biosphere
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Pluto is now classified as a
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dwarf planet
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The Earth's polar and equatorial diameters vary by _____ percent.
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.3
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The line connecting the points of maximum flattening on Earth's surface is called the
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axis
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Which of the following is also an entire great circle?
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the Equator
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In angular measurement, a minute contains _______ seconds.
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60
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At the equator, one degree of latitude is approximately equal to
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one degree of longitude
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The "natural" baseline which serves as a baseline to measure longitude (such as the Equator, which is used as a baseline for latitude) _______.
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does not exist
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The term "a.m."
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means "before solar noon"
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Any standard time zone extends ______ degrees of latitude to the east and west of the central meridian.
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7.5
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Rotation of the Earth causes _________. A) tides B) Coriolis effect C) local variations in temperature D) day and night E) all of the above
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E) all of the above
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An equinox has the property of
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12 hours of daylight and 12 hours of night at all latitudes.
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When the vertical rays of the Sun cross the Equator on their way northward, the date is known as _______ in the northern Hemisphere.
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the vernal equinox
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Which of the following is a topic of study in a physical geography course? A) land forms B) soil C) climate D) flora E) all of the above
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E) all of the above
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Geography is
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a combination of physical and social sciences
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Earth is
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one of the inner planets
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The Universe is thought to be on the order of _______ billion years old.
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13.7
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Our earthly grid system is also referred to as a ________ and consists of lines of latitude and longitude.
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graticule
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Which of the following is not contained within Earth's system of latitude and longitude? A) longitude of 5 W B) longitude of 185 E C) latitude of 0 D) longitude of 165 W E) latitude of 36 N
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B) longitude of 185 E
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The cause of Earth's seasons is the
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polarity of the axis
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In New York City, this is the shortest day of the year and the Sun is also lowest in the sky.
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December solstice
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At times, latitude higher than _____ degrees can have 24 hours or more of continuous darkness.
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66.5
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The Plane of the Ecliptic is
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at an angle from the plane of the Equator
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Using gnomon, one can
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tell local time
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The shape of the Milky Way is similar to a(n)
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spiral-shaped disk
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The amount of time the Earth takes to revolve around the Sun is most properly known as a(n)
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tropical year
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_________ is considered a dwarf planet
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Pluto
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________ is the deepest spot in the ocean.
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The Mariana Trench
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To Earth people, Polaris is an important star because it
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is a guide for navigation
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The graticule of the Earth is also known as __________
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latitude and longitude.
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The __________ is a basic unit of distance in the Systeme International (metric system).
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meter
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One can tell when it is solar noon by observing
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the length of shadows
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What happened between 4.5 and 5 billion years ago?
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The beginning of our solar system occurred.
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The ________ is a basic Systeme International (metric system) unit of mass.
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gram
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The word geography comes from the Greek meaning
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Earth description
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Which of the following is not a major topic taught in a course of introductory physical geography? A) climate B) flora C) soil D) landforms E) population
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E) population
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The shape of Earth's orbit around the Sun is a(n)
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ellipse
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The ________ is the name of the orbital plane on which the Earth revolves.
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Ecliptic
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Pluto's orbit is in the
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Kuiper belt
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The ______ equinox of the Southern Hemisphere takes place when the vertical rays of the Sun cross the Equator on the journey southward.
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vernal
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The "living zone" in the atmosphere extends from Earth's surface to an altitude of approximately _______ kilometers.
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5
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The origin of the Universe is incompletely understood and is called __________
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the "Big Bang"
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Earth rotates around its rotational axis. A plane at a right angle to and bisecting Earth's axis is known as the _________
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plane of the Equator
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Earth revolves around the North Star. True or False.
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False
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The North Star is also known as Polaris. True or False.
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True
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Almost all countries in the world base their time on UTC. True or False.
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True
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The circle of illumination divides the Earth into a light and a dark hemisphere. True or False.
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True
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The Prime Meridian was adopted as a result of an international conference in 1884. True or False
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True
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The Plane of the Ecliptic is the same thing as the perihelion. True or False.
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False
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The Equator is an example of a great circle in the geographic grid. True or False.
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True
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The vertical rays of the Sun take one year to travel from the Tropic of Cancer to the Tropic of Capricorn and return to the Tropic of Cancer. True or False.
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True
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The northern hemisphere's vernal equinox occurs on September 23. True or False.
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False
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The Tropic of Cancer is an example of a great circle. True or False.
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False
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The Plane of the Ecliptic and plane of the Equator are the same plane. True or False.
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False
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The Earth's circumference is close to 40,000 kilometers. True or False.
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True
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In the Northern Hemisphere the longest day of the year is at the vernal equinox. True or False.
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False
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The shortest distance between the Earth and Sun during the year is approximately 147 million kilometers. True or False
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True
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The northern hemisphere's shortest day of the year is at the autumnal equinox. True or False.
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False
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At the Equator, the Sun's rays at noon strike the Earth at the angle of 90 degrees above the horizon twice each year. True or False.
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True
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On December 22, all areas inside the Antarctic Circle are in daylight for a full 24 hours. T or F
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True
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The Earth year's length of 365.25 days is known as the perihelion. T or F
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False
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At the North Pole, the speed of rotation of the Earth is 0 kilometers per hours. T or F
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True
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Larger angles of solar incidence concentrate solar energy in smaller areas of Earth's surface. T or F
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True
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The International Date Line and the 180th meridian are the same line. T or F
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False
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At one time, several nations had their own separate prime meridians. T or F
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True
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There are 24 minutes for each degree of latitude. T or F
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False
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There is a parallel or meridian for every degree, minute, and second on the globe. T or F
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True
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The International Date Line follows the Arctic and Antarctic Circles. T or F
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False
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Earth years are based on the rotation of the moon around the Earth. T or F
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False
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The Sun and Moon are the astronomical bodies exerting the most gravitational influence on the Earth. T or F
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True
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One rotation of the Earth takes approximately 24 hours to complete. T or F
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True
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The vertical distance between Earth's highest mountain and the deepest ocean trench is close to 20 kilometers. T or F
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True
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The Earth has the shape of a true sphere. T or F
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False
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The circle of illumination is a small circle. T or F
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False
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Magellan's expedition -- the first to go around the world -- found that their log was incorrect by one day. This was because the world had yet to adopt the International Date Line. T or F
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True
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On the globe, meridians cross all parallels perpendicularly. T or F
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True
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Previous to the 1880s, the U.S. had more than 20 time zones. T or F
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True
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Time zones are universally divided into zones of 24 degrees longitude. T or F
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False
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The lowest point of the sea bottom is approximately 11,000 meters below sea level. T or F
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True
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The International Date Line is in the middle of a time zone. T or F
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True
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Russia occupies 3 time zones. T or F
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False
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In the Northern Hemisphere, days become continuously shorter after March 22. T or F
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False
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The Prime Meridian is, by design, shorter than other meridians. T or F
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False
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The adoption of Daylight Savings Time would be of little value for most nations in the tropics. T or F
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True
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The apparent motion of the Sun, moon, and stars is actually an illusion created by the easterly spin of the Earth. T or F
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True
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The plane of the Equator and the Plane of the Ecliptic are the same plane. T or F
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False
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The planets in our solar system rotate from east to west. T or F
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False
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The atmosphere, biosphere, lithosphere, and hydrosphere are considered to be discrete and independent subsystems of the Earth. T or F
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False
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The Sun makes up more than 99 percent of the mass of our solar system. T or F
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True
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The Mariana Trench of the Pacific Ocean is the deepest depth of the ocean. T or F
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True
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Of seconds, degrees, and minutes of latitude, minutes are associated with the shortest distances. T or F
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False
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When one crosses the Prime Meridian, the time zone does not change. T or F
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True
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Our solar system is known as the Milky Way. T or F
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False
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The vertical rays of the Sun are present at the Arctic Circle during the June solstice. T or F
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False
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The vertical rays of the Sun migrate between 23.5 degrees N and 23.5 degrees S. T or F
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True
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The Coriolis effect deflects wind and water currents. T or F
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True
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One rotation of the Earth approximates 24 hours. T or F
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True
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The best scientific guess is that there are a few hundred suns in our galaxy. T or F
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False
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A great circle route is always the shortest distance between two points on the surface of the Earth. T or F
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True
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The International Date Line is not strictly a line of longitude because it has been constructed to avoid land. T or F
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True
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The "geosphere" is NOT one of the four environmental spheres. T or F
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True
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Most of Earth's land surface is classified as "habitable". T or F
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True
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The planets in our solar system formed from a cold, rotating disk of gas and dust surrounding the Sun. T or F
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True
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The fact that the Earth is round has been known for more than 2,000 years. T or F
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True
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Earth's axis is tilted ______ degrees from a line perpendicular to the Plane of the Ecliptic.
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23.5
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He was first to correctly calculate the circumferences of the Earth: _____________
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Eratostenes
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In the Northern Hemisphere in July, day lengths are progressively ________ as one travels northward.
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Longer
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The _____________________ points at the star Polaris.
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North Pole or Earth's axis
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If the axis of the Earth was not tilted, Earth would not experience __________.
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seasons
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_____________ is a country which has adopted permanent Daylight Savings Time, with double Daylight Saving Time in the summer.
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Russia
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The network of intersecting parallels and meridians over the entire Earth is known as the _________________
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geographic grid or graticule
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Science understands the solar system to be on the order of _________________ billion years old.
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4.5 to 5
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If you walked along a meridian, in what direction(s) would you be walking?
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North or South
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If you walked along a parallel, in what direction(s) would you be walking?
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East or West
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The two major branches of geography are cultural geography and _______ geography.
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physical
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The ___________ is the environmental sphere that encompasses water in all its forms and locations.
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hydrosphere
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The textbook asserts that human activities have accelerated global change. T or F
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True
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Global environmental change seems to be all natural. T or F
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False
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The South Pole is nearest the Sun during the ______.
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December Solstice
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If Earth rotated at one-half its current rotational speed, which would be true?
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Days would be exactly 48 hours
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Lines of longitude have the greatest distance between each other at which of the following locations?
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Equator
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If the time is 12:00 A.M. in Greenwich, England, what time is it in New York City, NY (EST)?
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7:00 P.M.
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The Sun's heating ability over Earth gets stronger when
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the Sun's rays strike Earth perpendicularly (at a 90 degree angle)
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If you fly west from Australia to the U.S., departing on April 1, what day is it when you arrive in the U.S.?
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April 1
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Northern Hemisphere summer solstice is experienced on June 21. On this date, at solar noon, the Sun is directly overhead at the
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Tropic of Cancer
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The speed of rotation of Earth's surface is highest at the
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Equator
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The solid, inorganic portion of Earth is represented by the
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Lithosphere
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A map scale which says "1 in. = 21 mi" is a
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verbal map scale
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_______ are automated systems for the capture, storage, retrieval, analysis, and display of spatially referenced data.
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Geographic Information systems
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Radar systems use radio waves as a means for remote sensing. Radio waves are shorter than which of these waves in the electromagnetic spectrum? Microwaves, X-rays, visible waves, Infrared waves, radio waves
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Radio waves are the longest waves
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Isoline is a generic term that refers to lines joining places of equal value or something. Isolines joining places of equal elevation are known as
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contour lines
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Map projections that preserve the correct shapes of places and compromise area are known as
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conformal
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Globes are less frequently used than maps except for classroom purposes. This is because globes
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are cumbersom
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Which of the following is not an example of remote sensing system? A) Satellites B) Radar C) Global positioning system D) Aerial photography E) Lambert-conformal maps
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E) Lambert-Conformal maps
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The map legend tells you
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how to interpret the map
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Maps nearly always have a special purpose. (Fig 2-2b) This purpose is to
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show the distribution of selected phenomena.
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The global positioning system (GPS)
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uses satellite measurements to provide navigation on Earth's surface
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The main surface currents in the major ocean basins assist in the heat transfer around the world by moving
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cool water from the poles to the tropics
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An example of climate (versus weather) for a given area is
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the average rainfall in April is 15 inches
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Temperature decreases with increasing elevation in which thermal atmospheric layers? (Fig 3-5)
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Troposphere and mesosphere
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_________ is the most plentiful variable gas in the atmosphere. However, it varies in location, not in time.
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Water vapor
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Oxygen accounts for what proportion of the volume of gases in the atmosphere?
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21%
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If a wind of 55mph were subjected to a Coriolis force that is double what exists on Earth, what would its new speed be?
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55mph
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The aurora borealis typically occurs in
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the ionosphere
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Which of the following is an example of a secondary pollutant? A) carbon monoxide B) carbon dioxide C) particulates D) smog E) CFCs
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D) Smog
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Ozone is depleted by CFCs. What is the primary atom in the CFC molecule that is responsible for ozone depletion?
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Chlorine
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Los Angeles, California and Dallas, Texas have vastly different climates, despite existing at the same latitude. What causes the climate difference?
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Dallas is continental; Los Angeles is maritime.
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In the first 11 miles above Earth's surface, air temperature generally ______ with increasing elevation.
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decreases
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The west wind drift forms as a results of
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fewer landmasses near the poles of the Southern Hemisphere.
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Even though no heat is taken in from an external source, adiabatic warming involves warming by compression in _______ air.
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sinking
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_________heat is required when water is converted into ice.
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Latent heat of freezing
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Incoming solar energy is redirected by particulate matter and gas molecules in the atmosphere, therefore lost to Earth through what process?
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Scattering
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The main source of energy for Earth's atmosphere is heat from
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solar insulation (Sun)
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The world's largest annual temperature range typically occurs in the interior of what latitudes?
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High
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Which of these geographic regions would be characterized by a high albedo?
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The Arctic
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Which of the following could NOT be a cause for land warming faster than water? A) water has lower sensible heat B) water has higher sensible heat C) water has more evaporative cooling D) water is in constant motion E) water has limited transmission
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Water has lower sensible heat
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Which phrase best describes global warming?
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The greenhouse effect is increasing
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The force exerted by gas molecules on some area of Earth's surface or any other body is called what?
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Atmospheric pressure
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Lines drawn on maps joining areas of equal atmospheric pressure are called what?
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Isobars
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Due to Coriolis force, freely moving objects in the Northern Hemisphere appear to be deflected to
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the right
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The air that descends and spirals out of the subtropical high pressure belt is the source of
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trade winds and the westerlies
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A sea breeze is experienced
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during the day
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The semi-permanent area of high pressure over the poles of Earth is an example of
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a thermal high
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An El Niño is observed as
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a warming of eastern equatorial Pacific waters
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Waves in the jet stream pattern are called
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Rossby waves
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Which type of wind is an example of a katabatic wind?
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Bora
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Air which has decreased in density and temperature will
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have a lower air pressure
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The continuous interchange of our planet's water supply between Earth and the atmosphere is called what?
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the hydrologic cycle
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The condition of the atmosphere when it contains as much water as it can hold at a given temperature (state of total wetness) is known as
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saturation
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There is an inverse relationship between temperature and relative humidity such that relative humidity tends to
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be lowest in the afternoon and highest just before dawn
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When atmospheric lifting results from the meeting of two air masses of different physical properties (moisture and temperature), the resulting form of precipitation is ________ rainfall.
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frontal
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The most conspicuous feature of the worldwide annual precipitation pattern is that the _______ contain the wettest areas of Earth.
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tropical latitudes
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Which humidity measure shows how near, in terms of percentage, an air mass is to saturation?
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relative humidity
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What property of water makes it "sticky"?
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Hydrogen bonding
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Condensation is not sufficient to explain large drop growth in warm clouds. What is the primary process responsible for this?
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Collision and coalescense
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Which of the following pH values is characteristic of acid rain?
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4.5 (typical rainfall pH 5-5.5, lower than 5 is an indication of acid rain)
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In order to grow hail in a cloud, the cloud must have
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strong updrafts
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