Deck 1: Introduction to Earth

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Question
Earth's diameter is CLOSEST to ________ kilometers.

A) 12
B) 120
C) 1,200
D) 12,000
E) 120,000
Use Space or
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down arrow
to flip the card.
Question
The north end of Earth's axis points towards

A) the Moon.
B) Mars.
C) Venus.
D) Ork.
E) Polaris.
Question
The first nearly correct measurement of the Earth's circumference was made by ________.

A) Newton
B) Einstein
C) Eratosthenes
D) Columbus
E) Plato
Question
"Greenwich Mean Time" is also known as ________.

A) Universal Time Coordinated
B) European Time
C) the perihelion
D) Polaris
E) the Plane of the Ecliptic
Question
Russia is the country containing the most time zones. It contains ________ zones.

A) 3
B) 5
C) 9
D) 15
E) 36
Question
Near the North Pole, one degree of latitude extends ________ kilometer(s) on the ground.

A) 1
B) 11
C) 111
D) 1,111
E) 11,111
Question
At the Equator (0°), a given point on Earth's surface travels about ________ kilometers per hour.

A) 1,600
B) 16,000
C) 160,000
D) 1,600,000
E) 60,000,000
Question
The world is divided into ________ standard zones.

A) 11
B) 15
C) 24
D) 180
E) 360
Question
On June 21, the Sun's rays are directly over the

A) Equator.
B) Tropic of Cancer.
C) Tropic of Capricorn.
D) Arctic Circle.
E) Plane of the Ecliptic.
Question
The response to Earth's rotation is

A) wind.
B) polar flattening.
C) equatorial flattening.
D) Death Valley.
E) Mt. Everest.
Question
The fact that at any time during the year, the Earth's axis is parallel to its orientation at all other times is called its parallelism, or ________.

A) revolution
B) rotation
C) polarity
D) aphelion
E) perihelion
Question
The Sun's rays are directly overhead at the ________ on or about December 21.

A) Tropic of Capricorn
B) Tropic of Cancer
C) Arctic Circle
D) Antarctic Circle
E) North Pole
Question
The Greenwich Meridian is also known as the ________.

A) perihelion
B) aphelion
C) Prime Meridian
D) Equator
E) small circle
Question
The Sun is a star in the ________ galaxy.

A) Orion
B) Milky Way
C) Proxima Centauri
D) Alpha Centauri
E) Betelgeuse
Question
At the North Pole, one degree of longitude extends ________ kilometers on the ground.

A) 0
B) 10
C) 100
D) 1,000
E) 10,000
Question
Of the following, which is a great circle?

A) Tropic of Capricorn
B) Tropic of Cancer
C) Equator
D) Arctic Circle
E) Antarctic Circle
Question
How many degrees of latitude are there between the Tropic of Cancer and the Tropic of Capricorn?

A) 0
B) 23.5
C) 47
D) 90
E) 180
Question
Before time zones were created in the 1880s, one could encounter ________ time standards on a rail trip across the United States.

A) 1
B) 5
C) 7
D) 10
E) more than 20
Question
The maximum distance between Earth and Sun occurs in July and is called the ________.

A) Coriolis
B) aphelion
C) sidereal
D) ecliptic
E) perihelion
Question
Of the following, which is the first day of spring?

A) June solstice
B) March 1
C) vernal equinox
D) equinox
E) solstice
Question
Eratosthenes was the first to accurately measure the Earth's ________.

A) radius
B) polarity
C) circumference
D) crust
E) hemisphere
Question
A cross section of Earth cut from pole to pole would reveal which shape?

A) circle
B) parabola
C) sine curve
D) ellipse
E) crescent
Question
Our solar system contains ________ moons revolving around the planets.

A) no
B) two
C) ten
D) twenty
E) more than one hundred
Question
One degree of longitude equals 0 miles on the ground at the ________.

A) Tropic of Capricorn
B) North Pole
C) Tropic of Cancer
D) Antarctic Circle
E) Arctic Circle
Question
The United States spans ________ time zones.

A) 3
B) 6
C) 12
D) 24
E) 36
Question
Universal Time Coordinated is also known as ________.

A) Pacific Standard Time
B) Greenwich Mean Time
C) Central Daylight Time
D) Leap Year Time
E) the solstice
Question
A spot on Earth's surface rotates fastest at the ________.

A) Equator
B) Tropic of Cancer
C) Arctic Circle
D) Tropic of Capricorn
E) North Pole
Question
A ________ separates Earth into two hemispheres.

A) solstice
B) great circle
C) small circle
D) perihelion
E) loxodrome
Question
The geographic grid line 180 degrees of longitude from the Prime Meridian is the ________.

A) Tropic of Cancer
B) 90th meridian
C) 180th meridian
D) 320th meridian
E) Tropic of Capricorn
Question
The 0° Meridian is the same line as the ________ .

A) International Date Line
B) Equator
C) perihelion
D) Prime Meridian
E) geographic grid
Question
When the circle of illumination just touches the Arctic Circle and the North Pole is dark, the date is closest to

A) March 23.
B) June 21.
C) September 23.
D) December 21.
E) July 4.
Question
The distance of 150,000,000 kilometers is CLOSEST to being ________.

A) the aphelion
B) the perihelion
C) the circle of illumination
D) a light year
E) the average Earth/Sun distance
Question
When the Sun's rays are directly overhead at the Tropic of Capricorn, it is ________.

A) March 21
B) June 21
C) September 21
D) December 21
E) October 21
Question
At the time of the aphelion, Earth is ________ million kilometers from the Sun.

A) 5.2
B) 52
C) 152
D) 1,520
E) 15,200
Question
Longitude is divided into multiples of ________ degrees for the purpose of delimiting standard time zones.

A) 10
B) 15
C) 25
D) 30
E) 34
Question
How many time zones are contained within Alaska?

A) 1
B) 2
C) 3
D) 4
E) 5
Question
The Milky Way is one of, at least, ________ galaxies in the Universe.

A) two thousand
B) two hundred thousand
C) two million
D) two hundred billion
E) two trillion
Question
The closest position taken by the Earth relative to the Sun is ________ million kilometers.

A) 10
B) 47
C) 147
D) 1,470
E) 14,700
Question
The Earth/Sun aphelion occurs once per year during the month of ________.

A) January
B) March
C) July
D) December
E) September
Question
The altitudinal difference (relief) between the top of the tallest mountain and the bottom of the deepest ocean trench is CLOSEST to ________ kilometers.

A) 20
B) 200
C) 2,000
D) 20,000
E) 200,000
Question
A(n) ________ is a vertical piece of metal on a sundial.

A) hour hand
B) ephemeris
C) gnomon
D) circle of illumination
E) solstice
Question
The acceptance of of a theory or hypothesis is based on

A) a preponderance of evidence.
B) a hunch.
C) belief.
D) the pronouncements of authorities.
E) all of the above
Question
The moon is some ________ kilometers distant from Earth.

A) 3.85
B) 385
C) 3,850
D) 385,000
E) 38,500,000
Question
The size of the Universe is best described as

A) 100,000 light years across.
B) small.
C) in terms of the width of 5 galaxies across.
D) 1 astronomical unit across.
E) vast beyond comprehension.
Question
Numbered meridians

A) are semicircles.
B) are east-west lines.
C) diverge as they near the poles.
D) are the same thing as parallels.
E) are numbered from 0-100 in three hemispheres.
Question
Which of the following is a central meridian in the standardized time system?

A) 5°W
B) 10°W
C) 15°W
D) 20°W
E) 25°W
Question
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
Question
The solid, inorganic portion of the Earth system is known as the ________.

A) Earth
B) lithosphere
C) hydrosphere
D) atmosphere
E) biosphere
Question
The Milky Way is a galaxy some ________ light years in diameter.

A) 10
B) 100
C) 1,000
D) 10,000
E) 100,000
Question
At the International Date Line, there is a change of ________.

A) season
B) hour
C) year
D) day
E) day and time zone
Question
On both the Spring and Fall equinoxes, the Sun's rays are vertically overhead at the ________.

A) Tropic of Cancer
B) Equator
C) Tropic of Capricorn
D) Arctic Circle
E) none of the above
Question
The farthest north the vertical rays of the Sun ever reach north of the Equator occurs on or about ________.

A) March 23
B) June 21
C) September 23
D) December 21
E) July 4
Question
The Earth is 3.3 percent closer to the Sun during the Northern Hemisphere ________ than when it is farthest away.

A) spring
B) summer
C) fall
D) winter
E) aphelion
Question
In science, the term "theory" is

A) a first guess.
B) an unsupported hunch.
C) revolution around Earth.
D) not relevant.
E) the highest order of understanding.
Question
Standardization in world time zones dates from ________.

A) 1584
B) 1684
C) 1784
D) 1884
E) 1984
Question
The circle of illumination just touches the Antarctic Circle on or about ________.

A) March 23
B) June 21
C) September 23
D) December 21
E) January 1
Question
The constant angle between Earth's axis and the Plane of the Ecliptic is called Earth's ________.

A) polarity
B) Mean Time
C) perihelion
D) aphelion
E) praxis
Question
The most important physical effect of the Earth's rotation is ________.

A) to cause continents to "drift"
B) seasonal change
C) the alternation of sunlight and darkness
D) Daylight Saving Time
E) the blue appearance of clear sky
Question
The highest numbered latitude used in the geographic grid is ________°.

A) 90
B) 100
C) 180
D) 360
E) 365
Question
The solar system's Jovian planets are most likely composed of ________.

A) gas
B) interstellar dust
C) granite
D) basalt
E) water
Question
The best description of the actual shape of the Earth is as a(n)

A) circle.
B) sphere.
C) spheroid.
D) oblate spheroid.
E) centroid.
Question
Which of the following best describes the latitude and longitude of North America?

A) Northern and Southern Hemispheres
B) Eastern and Western Hemispheres
C) Northern and Eastern Hemispheres
D) Eastern and Southern Hemispheres
E) Northern and Western Hemispheres
Question
Suppose you are standing on the standard time meridian of 75°W. Which would be the next standard time meridian to your west?

A) 76°W
B) 90°W
C) 180°W
D) 100°W
E) impossible to say
Question
Pluto is now classified as a

A) comet.
B) moon.
C) dwarf planet.
D) meteorite.
E) protostar.
Question
Which of the below takes the LONGEST time?

A) the rotation of the Earth
B) revolution of the moon
C) a solar day
D) a revolution of the Earth
E) They all take approximately the same time.
Question
Mt. Everest is the tallest mountain on Earth and its altitude is closest to ________ meters.

A) 90
B) 900
C) 9,000
D) 90,000
E) 900,000
Question
Which of the following subsystems includes all living things on Earth?

A) atmosphere
B) biosphere
C) hydrosphere
D) lithosphere
E) stratosphere
Question
The Milky Way is one of over ________ galaxies in the Universe.

A) one hundred
B) one thousand
C) one hundred thousand
D) one million
E) many billions
Question
A nebula is

A) a bright star.
B) a black hole.
C) a faded star.
D) a cloud of gas and dust.
E) none of the above
Question
The perihelion is during the month of

A) January.
B) March.
C) July.
D) September.
E) December.
Question
The surfaces of the inner planets of our solar system seem to be composed of

A) gases.
B) frozen water.
C) frozen carbon dioxide.
D) molten lava.
E) mineral matter.
Question
After it was part of a nebula and before it was the Sun, our Sun was a

A) star.
B) galaxy.
C) asteroid.
D) comet.
E) protostar.
Question
At the June solstice, day length varies from ________ hours at the Equator to ________ hours at the North Pole.

A) 0, 24
B) 12, 24
C) 12, 0
D) 24, 0
E) 24, 12
Question
Which of the following distances is CLOSEST TO the actual distance associated with one degree of latitude?

A) 1 km
B) 10 km
C) 100 km
D) 1,000 km
E) 10,000 km
Question
The Earth's polar and equatorial diameters vary by ________ percent.

A) 0
B) 0.3
C) 7.5
D) 10
E) 27
Question
The angular inclination of the Earth's axis with respect to a line perpendicular to the Plane of the Ecliptic

A) varies through the year.
B) is 0 degrees.
C) is 23.5 degrees.
D) is 66.5 degrees.
E) is 90 degrees.
Question
The line connecting the points of maximum flattening on Earth's surface is called the

A) radius.
B) Plane of the Ecliptic.
C) Equator.
D) Arctic Circle.
E) axis.
Question
The Earth is one of ________ planets in the solar system.

A) four
B) eight
C) twenty
D) thirty six
E) over one hundred
Question
The Earth rotates about its

A) great circle.
B) revolution.
C) inclination.
D) axis.
E) Equator.
Question
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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Deck 1: Introduction to Earth
1
Earth's diameter is CLOSEST to ________ kilometers.

A) 12
B) 120
C) 1,200
D) 12,000
E) 120,000
D
2
The north end of Earth's axis points towards

A) the Moon.
B) Mars.
C) Venus.
D) Ork.
E) Polaris.
E
3
The first nearly correct measurement of the Earth's circumference was made by ________.

A) Newton
B) Einstein
C) Eratosthenes
D) Columbus
E) Plato
C
4
"Greenwich Mean Time" is also known as ________.

A) Universal Time Coordinated
B) European Time
C) the perihelion
D) Polaris
E) the Plane of the Ecliptic
Unlock Deck
Unlock for access to all 198 flashcards in this deck.
Unlock Deck
k this deck
5
Russia is the country containing the most time zones. It contains ________ zones.

A) 3
B) 5
C) 9
D) 15
E) 36
Unlock Deck
Unlock for access to all 198 flashcards in this deck.
Unlock Deck
k this deck
6
Near the North Pole, one degree of latitude extends ________ kilometer(s) on the ground.

A) 1
B) 11
C) 111
D) 1,111
E) 11,111
Unlock Deck
Unlock for access to all 198 flashcards in this deck.
Unlock Deck
k this deck
7
At the Equator (0°), a given point on Earth's surface travels about ________ kilometers per hour.

A) 1,600
B) 16,000
C) 160,000
D) 1,600,000
E) 60,000,000
Unlock Deck
Unlock for access to all 198 flashcards in this deck.
Unlock Deck
k this deck
8
The world is divided into ________ standard zones.

A) 11
B) 15
C) 24
D) 180
E) 360
Unlock Deck
Unlock for access to all 198 flashcards in this deck.
Unlock Deck
k this deck
9
On June 21, the Sun's rays are directly over the

A) Equator.
B) Tropic of Cancer.
C) Tropic of Capricorn.
D) Arctic Circle.
E) Plane of the Ecliptic.
Unlock Deck
Unlock for access to all 198 flashcards in this deck.
Unlock Deck
k this deck
10
The response to Earth's rotation is

A) wind.
B) polar flattening.
C) equatorial flattening.
D) Death Valley.
E) Mt. Everest.
Unlock Deck
Unlock for access to all 198 flashcards in this deck.
Unlock Deck
k this deck
11
The fact that at any time during the year, the Earth's axis is parallel to its orientation at all other times is called its parallelism, or ________.

A) revolution
B) rotation
C) polarity
D) aphelion
E) perihelion
Unlock Deck
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Unlock Deck
k this deck
12
The Sun's rays are directly overhead at the ________ on or about December 21.

A) Tropic of Capricorn
B) Tropic of Cancer
C) Arctic Circle
D) Antarctic Circle
E) North Pole
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Unlock Deck
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13
The Greenwich Meridian is also known as the ________.

A) perihelion
B) aphelion
C) Prime Meridian
D) Equator
E) small circle
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Unlock Deck
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14
The Sun is a star in the ________ galaxy.

A) Orion
B) Milky Way
C) Proxima Centauri
D) Alpha Centauri
E) Betelgeuse
Unlock Deck
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Unlock Deck
k this deck
15
At the North Pole, one degree of longitude extends ________ kilometers on the ground.

A) 0
B) 10
C) 100
D) 1,000
E) 10,000
Unlock Deck
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Unlock Deck
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16
Of the following, which is a great circle?

A) Tropic of Capricorn
B) Tropic of Cancer
C) Equator
D) Arctic Circle
E) Antarctic Circle
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Unlock Deck
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17
How many degrees of latitude are there between the Tropic of Cancer and the Tropic of Capricorn?

A) 0
B) 23.5
C) 47
D) 90
E) 180
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Unlock Deck
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18
Before time zones were created in the 1880s, one could encounter ________ time standards on a rail trip across the United States.

A) 1
B) 5
C) 7
D) 10
E) more than 20
Unlock Deck
Unlock for access to all 198 flashcards in this deck.
Unlock Deck
k this deck
19
The maximum distance between Earth and Sun occurs in July and is called the ________.

A) Coriolis
B) aphelion
C) sidereal
D) ecliptic
E) perihelion
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20
Of the following, which is the first day of spring?

A) June solstice
B) March 1
C) vernal equinox
D) equinox
E) solstice
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Unlock Deck
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21
Eratosthenes was the first to accurately measure the Earth's ________.

A) radius
B) polarity
C) circumference
D) crust
E) hemisphere
Unlock Deck
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Unlock Deck
k this deck
22
A cross section of Earth cut from pole to pole would reveal which shape?

A) circle
B) parabola
C) sine curve
D) ellipse
E) crescent
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23
Our solar system contains ________ moons revolving around the planets.

A) no
B) two
C) ten
D) twenty
E) more than one hundred
Unlock Deck
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Unlock Deck
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24
One degree of longitude equals 0 miles on the ground at the ________.

A) Tropic of Capricorn
B) North Pole
C) Tropic of Cancer
D) Antarctic Circle
E) Arctic Circle
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Unlock Deck
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25
The United States spans ________ time zones.

A) 3
B) 6
C) 12
D) 24
E) 36
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Unlock Deck
k this deck
26
Universal Time Coordinated is also known as ________.

A) Pacific Standard Time
B) Greenwich Mean Time
C) Central Daylight Time
D) Leap Year Time
E) the solstice
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Unlock Deck
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27
A spot on Earth's surface rotates fastest at the ________.

A) Equator
B) Tropic of Cancer
C) Arctic Circle
D) Tropic of Capricorn
E) North Pole
Unlock Deck
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Unlock Deck
k this deck
28
A ________ separates Earth into two hemispheres.

A) solstice
B) great circle
C) small circle
D) perihelion
E) loxodrome
Unlock Deck
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Unlock Deck
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29
The geographic grid line 180 degrees of longitude from the Prime Meridian is the ________.

A) Tropic of Cancer
B) 90th meridian
C) 180th meridian
D) 320th meridian
E) Tropic of Capricorn
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Unlock Deck
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30
The 0° Meridian is the same line as the ________ .

A) International Date Line
B) Equator
C) perihelion
D) Prime Meridian
E) geographic grid
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Unlock Deck
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31
When the circle of illumination just touches the Arctic Circle and the North Pole is dark, the date is closest to

A) March 23.
B) June 21.
C) September 23.
D) December 21.
E) July 4.
Unlock Deck
Unlock for access to all 198 flashcards in this deck.
Unlock Deck
k this deck
32
The distance of 150,000,000 kilometers is CLOSEST to being ________.

A) the aphelion
B) the perihelion
C) the circle of illumination
D) a light year
E) the average Earth/Sun distance
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Unlock Deck
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33
When the Sun's rays are directly overhead at the Tropic of Capricorn, it is ________.

A) March 21
B) June 21
C) September 21
D) December 21
E) October 21
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Unlock Deck
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34
At the time of the aphelion, Earth is ________ million kilometers from the Sun.

A) 5.2
B) 52
C) 152
D) 1,520
E) 15,200
Unlock Deck
Unlock for access to all 198 flashcards in this deck.
Unlock Deck
k this deck
35
Longitude is divided into multiples of ________ degrees for the purpose of delimiting standard time zones.

A) 10
B) 15
C) 25
D) 30
E) 34
Unlock Deck
Unlock for access to all 198 flashcards in this deck.
Unlock Deck
k this deck
36
How many time zones are contained within Alaska?

A) 1
B) 2
C) 3
D) 4
E) 5
Unlock Deck
Unlock for access to all 198 flashcards in this deck.
Unlock Deck
k this deck
37
The Milky Way is one of, at least, ________ galaxies in the Universe.

A) two thousand
B) two hundred thousand
C) two million
D) two hundred billion
E) two trillion
Unlock Deck
Unlock for access to all 198 flashcards in this deck.
Unlock Deck
k this deck
38
The closest position taken by the Earth relative to the Sun is ________ million kilometers.

A) 10
B) 47
C) 147
D) 1,470
E) 14,700
Unlock Deck
Unlock for access to all 198 flashcards in this deck.
Unlock Deck
k this deck
39
The Earth/Sun aphelion occurs once per year during the month of ________.

A) January
B) March
C) July
D) December
E) September
Unlock Deck
Unlock for access to all 198 flashcards in this deck.
Unlock Deck
k this deck
40
The altitudinal difference (relief) between the top of the tallest mountain and the bottom of the deepest ocean trench is CLOSEST to ________ kilometers.

A) 20
B) 200
C) 2,000
D) 20,000
E) 200,000
Unlock Deck
Unlock for access to all 198 flashcards in this deck.
Unlock Deck
k this deck
41
A(n) ________ is a vertical piece of metal on a sundial.

A) hour hand
B) ephemeris
C) gnomon
D) circle of illumination
E) solstice
Unlock Deck
Unlock for access to all 198 flashcards in this deck.
Unlock Deck
k this deck
42
The acceptance of of a theory or hypothesis is based on

A) a preponderance of evidence.
B) a hunch.
C) belief.
D) the pronouncements of authorities.
E) all of the above
Unlock Deck
Unlock for access to all 198 flashcards in this deck.
Unlock Deck
k this deck
43
The moon is some ________ kilometers distant from Earth.

A) 3.85
B) 385
C) 3,850
D) 385,000
E) 38,500,000
Unlock Deck
Unlock for access to all 198 flashcards in this deck.
Unlock Deck
k this deck
44
The size of the Universe is best described as

A) 100,000 light years across.
B) small.
C) in terms of the width of 5 galaxies across.
D) 1 astronomical unit across.
E) vast beyond comprehension.
Unlock Deck
Unlock for access to all 198 flashcards in this deck.
Unlock Deck
k this deck
45
Numbered meridians

A) are semicircles.
B) are east-west lines.
C) diverge as they near the poles.
D) are the same thing as parallels.
E) are numbered from 0-100 in three hemispheres.
Unlock Deck
Unlock for access to all 198 flashcards in this deck.
Unlock Deck
k this deck
46
Which of the following is a central meridian in the standardized time system?

A) 5°W
B) 10°W
C) 15°W
D) 20°W
E) 25°W
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47
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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48
The solid, inorganic portion of the Earth system is known as the ________.

A) Earth
B) lithosphere
C) hydrosphere
D) atmosphere
E) biosphere
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49
The Milky Way is a galaxy some ________ light years in diameter.

A) 10
B) 100
C) 1,000
D) 10,000
E) 100,000
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50
At the International Date Line, there is a change of ________.

A) season
B) hour
C) year
D) day
E) day and time zone
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51
On both the Spring and Fall equinoxes, the Sun's rays are vertically overhead at the ________.

A) Tropic of Cancer
B) Equator
C) Tropic of Capricorn
D) Arctic Circle
E) none of the above
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52
The farthest north the vertical rays of the Sun ever reach north of the Equator occurs on or about ________.

A) March 23
B) June 21
C) September 23
D) December 21
E) July 4
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53
The Earth is 3.3 percent closer to the Sun during the Northern Hemisphere ________ than when it is farthest away.

A) spring
B) summer
C) fall
D) winter
E) aphelion
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54
In science, the term "theory" is

A) a first guess.
B) an unsupported hunch.
C) revolution around Earth.
D) not relevant.
E) the highest order of understanding.
Unlock Deck
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Unlock Deck
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55
Standardization in world time zones dates from ________.

A) 1584
B) 1684
C) 1784
D) 1884
E) 1984
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Unlock Deck
k this deck
56
The circle of illumination just touches the Antarctic Circle on or about ________.

A) March 23
B) June 21
C) September 23
D) December 21
E) January 1
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Unlock Deck
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57
The constant angle between Earth's axis and the Plane of the Ecliptic is called Earth's ________.

A) polarity
B) Mean Time
C) perihelion
D) aphelion
E) praxis
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58
The most important physical effect of the Earth's rotation is ________.

A) to cause continents to "drift"
B) seasonal change
C) the alternation of sunlight and darkness
D) Daylight Saving Time
E) the blue appearance of clear sky
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59
The highest numbered latitude used in the geographic grid is ________°.

A) 90
B) 100
C) 180
D) 360
E) 365
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Unlock Deck
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60
The solar system's Jovian planets are most likely composed of ________.

A) gas
B) interstellar dust
C) granite
D) basalt
E) water
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Unlock Deck
k this deck
61
The best description of the actual shape of the Earth is as a(n)

A) circle.
B) sphere.
C) spheroid.
D) oblate spheroid.
E) centroid.
Unlock Deck
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Unlock Deck
k this deck
62
Which of the following best describes the latitude and longitude of North America?

A) Northern and Southern Hemispheres
B) Eastern and Western Hemispheres
C) Northern and Eastern Hemispheres
D) Eastern and Southern Hemispheres
E) Northern and Western Hemispheres
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63
Suppose you are standing on the standard time meridian of 75°W. Which would be the next standard time meridian to your west?

A) 76°W
B) 90°W
C) 180°W
D) 100°W
E) impossible to say
Unlock Deck
Unlock for access to all 198 flashcards in this deck.
Unlock Deck
k this deck
64
Pluto is now classified as a

A) comet.
B) moon.
C) dwarf planet.
D) meteorite.
E) protostar.
Unlock Deck
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Unlock Deck
k this deck
65
Which of the below takes the LONGEST time?

A) the rotation of the Earth
B) revolution of the moon
C) a solar day
D) a revolution of the Earth
E) They all take approximately the same time.
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66
Mt. Everest is the tallest mountain on Earth and its altitude is closest to ________ meters.

A) 90
B) 900
C) 9,000
D) 90,000
E) 900,000
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Unlock for access to all 198 flashcards in this deck.
Unlock Deck
k this deck
67
Which of the following subsystems includes all living things on Earth?

A) atmosphere
B) biosphere
C) hydrosphere
D) lithosphere
E) stratosphere
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Unlock Deck
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68
The Milky Way is one of over ________ galaxies in the Universe.

A) one hundred
B) one thousand
C) one hundred thousand
D) one million
E) many billions
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Unlock Deck
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69
A nebula is

A) a bright star.
B) a black hole.
C) a faded star.
D) a cloud of gas and dust.
E) none of the above
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Unlock Deck
k this deck
70
The perihelion is during the month of

A) January.
B) March.
C) July.
D) September.
E) December.
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71
The surfaces of the inner planets of our solar system seem to be composed of

A) gases.
B) frozen water.
C) frozen carbon dioxide.
D) molten lava.
E) mineral matter.
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Unlock Deck
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72
After it was part of a nebula and before it was the Sun, our Sun was a

A) star.
B) galaxy.
C) asteroid.
D) comet.
E) protostar.
Unlock Deck
Unlock for access to all 198 flashcards in this deck.
Unlock Deck
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73
At the June solstice, day length varies from ________ hours at the Equator to ________ hours at the North Pole.

A) 0, 24
B) 12, 24
C) 12, 0
D) 24, 0
E) 24, 12
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Unlock Deck
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74
Which of the following distances is CLOSEST TO the actual distance associated with one degree of latitude?

A) 1 km
B) 10 km
C) 100 km
D) 1,000 km
E) 10,000 km
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Unlock Deck
k this deck
75
The Earth's polar and equatorial diameters vary by ________ percent.

A) 0
B) 0.3
C) 7.5
D) 10
E) 27
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76
The angular inclination of the Earth's axis with respect to a line perpendicular to the Plane of the Ecliptic

A) varies through the year.
B) is 0 degrees.
C) is 23.5 degrees.
D) is 66.5 degrees.
E) is 90 degrees.
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Unlock Deck
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77
The line connecting the points of maximum flattening on Earth's surface is called the

A) radius.
B) Plane of the Ecliptic.
C) Equator.
D) Arctic Circle.
E) axis.
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k this deck
78
The Earth is one of ________ planets in the solar system.

A) four
B) eight
C) twenty
D) thirty six
E) over one hundred
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Unlock Deck
k this deck
79
The Earth rotates about its

A) great circle.
B) revolution.
C) inclination.
D) axis.
E) Equator.
Unlock Deck
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Unlock Deck
k this deck
80
Which of the following is NOT defined by latitude?

A) parallel
B) Arctic Circle
C) Antarctic Circle
D) North Pole
E) meridian
Unlock Deck
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Unlock Deck
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Unlock Deck
Unlock for access to all 198 flashcards in this deck.