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Gps 1214 > final mutiple choice > Flashcards

final mutiple choice Flashcards

1
Q

Comets consist largely of?
a. hydrogen
b. iron
c. ice and dust
d. rocks

A

C. Ice and dust

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2
Q

The tail of a comet?
a. is constant in size
b. always points away from its direction of motion
c. always points toward the sun
d. always points away from the sun

A

D. always points away from the sun

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3
Q

The planet nearest to the sun is:
a. Mercury
b. Venus
c. Saturn
d. Neptune

A

A. Mercury

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4
Q

The smallest of the following planets is:
a. Mars
b. Saturn
c. Jupiter
d. Uranus

A

A. Mars

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5
Q

The planet closest to the earth in size and mass is:
a. Mercury
b. Mars
c. Venus
d. Uranus

A

C. Venus

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6
Q

The largest of the following planets is:
a. Mars
b. Saturn
c. Jupiter
d. Uranus

A

C. Jupiter

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7
Q

A planet with virtually no atmosphere is:
a. mercury
b. Jupiter
c. Mars
d. saturn

A

A. Mercury

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8
Q

The planet that appears the brightest in the sky is:
a. Venus
b. Jupiter
c. Mars
d. Saturn

A

A. Venus

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9
Q

A dense atmosphere of carbon dioxide is found on:
a. mercury
b. mars
c. Venus
d. the moon

A

B. Venus

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10
Q

A planet with no known satellites/moons is:
a. Venus
b. Jupiter
c. Saturn
d. Uranus

A

A. Venus

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11
Q

The rings of Saturn:
a. are gas clouds
b. are sheets of liquid
c. are sheets of solid rock
d. consists of separate particles

A

d. consists of separate particles

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12
Q

The planet with the most mass is:
a. earth
b. saturn
c. jupiter
d. neptune

A

C. Jupiter

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13
Q

A planet that consists largely of hydrogen and helium is:
a. mercury
b. Venus
c. Mars
d. Jupiter

A

D. Jupiter

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14
Q

At new moon the moon is:
a. between the earth and the sun
b. on the opposite side of the earth from the sun
c. on the opposite side of the sun from the earth
d. to the side of a line between the earth and the sun

A

A. between the earth and the sun

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15
Q

Eclipses of the sun occur at:
a. new moon
b. full moon
c. first or last quarter
d. anytime

A

A. new moon

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16
Q

Eclipses of the moon occur during:
a. new moon
b. full moon
c. first and last quarter
d. anytime

A

A. new moon
b. full moon

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17
Q

The moons maria is what?
a. bodies of water like the earths oceans
b. solid lava flows
c. lava flows pulverized by meteorized impacts
d. hardened sediments

A

c. lava flows pulverized by meteoroid impacts

18
Q

The sun is:
a. unusually small star
b. unusually large star
c. rather ordinary star
d. rather unordinary star

A

C. rather ordinary star

19
Q

The surface temperature of the sun is approximately:
a. 600k
b. 6000K
c. 6 million K
d. 14 million K

A

B. 6000K

20
Q

the suns atmosphere:
a. extends out into the solar system
b. consists mainly of oxygen and nitrogen
c. consists of burning hydrogen
d. is relatively cool

A

A. extends out into the solar system

21
Q

Sunspots are:
a. dark clouds in the sun’s atmosphere
b. regions somewhat cooler than the rest of the sun’s surface
c. regions somewhat hotter than the rest of the sun’s surface
d. of unknown nature

A

B. regions somewhat cooler than the rest of the sun’s surface

22
Q

The duration of the sunspot cycle is approximately:
a. 27 days
b. 3 years
c. 6 months
d. 11 years

A

D. 11 years

23
Q

sunspot activity does not affect:
a. shortwave radio communication
b. the aurora
c. The earth’s magnetic field
d. volcanic eruptions

A

D. Volcanic eruptions

24
Q

The temperature of the sun’s interior is believed to be about:
a. 600K
b. 6000K
c. 14 million K
d. 14 billion K

A

C. 14 million K

25
Q

Proxima Centauri, the closest star to the sun, is at a distance of about
a. 4 light years away
b. 400 light years away
c. 4 million light years away
d. 4 billion light years away

A

A. 4 light years away

26
Q

The color of a relatively cool star is:
a. white
b. blue
c. yellow
d. red

A

D. Red

27
Q

A typical white dwarf star is about the size of
a. a large building
b. the earth
c. the moon
d. jupiter

A

B. the earth

28
Q

When the hydrogen supply in a typical main-sequence star begins to run out, other nuclear reactions occur and the star becomes a:
a. red giant
b. supernova
c. white dwarf
d. neutron star

A

A. red giant

29
Q

A star like the sun eventually becomes:
a. black hole
b. supernova
c. white dwarf
d. neutron star

A

C. white dwarf

30
Q

A star that explodes as a supernova:
a. has a mass much greater than that of the sun
b. has mass much smaller than that of the sun
c. has a mass about equal to that of the sun
d. may have any mass

A

A. has a mass much greater than that of the sun

31
Q

The brightest of the following types of stars is a:
a. red giant
b. supernova
c. white dwarf
d. neutron star

A

B. supernova

32
Q

A pulsar is not
a. he remnant of a supernova explosion
b. rotating rapidly
c. composed largely of neutrons
d. as large as the earth

A

D. as large as the earth

33
Q

A black hole appears black because
a. it is too cool to radiate
b. it is surrounded by an absorbing layer of gas
c. its gravitational field is too strong to permit light to escape
d. its magnetic field is too strong to permit light to escape

A

C. its gravitational field is too strong to permit light to escape

34
Q

Black holes are remnants of:
a. stars with small masses
b. stars with large masses
c. white dwarfs
d. black dwarfs

A

B. stars with large masses

35
Q

The milky way is:
a. a gas cloud in the solar system
b. a gas cloud in the galaxy of which the sun is a member
c. the galaxy of which the sun is a member
d. a nearby galaxy

A

C. the galaxy of which the sun is a member

36
Q

Our galaxy is approximately:
a. 4 light years across
b. 15,000 light years across
c. 130,000 light years across
d. 4 million light years across

A

C. 130,000 light years across

37
Q

The number of stars in our galaxy is roughly
a. 2,000
b. 2 billion
c. 2 million
d. 200 billion

A

D. 200 billion

38
Q

Our galaxy has:
1 main spiral arm
b. 2 main spiral arms
c. 3 main spiral arms
d. 4 main spiral arms

A

D. 4 main spiral arms

39
Q

Our galaxy is shaped roughly like a fried egg whose diameter is about:
a. twice its thickness
b. 10 times its thickness
c. 100 times its thickness
d. 1 million times its thickness

A

B. 10 times its thickness

40
Q

Clouds are luminous gas and dust in our galaxy are called:
a. galactic cluster
b. galactic nebulas
c. quasars
d. cosmic rays

A

B. galactic nebulas

Gps 1214 (2 decks)

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