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Astronomy Unit Review 1
Test Description: Astronomy Unit Review 1
Instructions: Answer all questions to get your test result.
1) The phase of the Moon that immediately comes before the New Moon is the ____.
A
third quarter
B
waxing crescent
C
waning crescent
D
first quarter
2) A ____ occurs when the Moon moves directly between the Sun and Earth and throws a shadow on Earth.
A
waning gibbous
B
lunar eclipse
C
solar eclipse
D
waxing gibbous
3) The yearly orbit of Earth around the Sun is called its ____.
A
rotation
B
revolution
C
ellipse
D
tilt
4) Summer occurs on the hemisphere of Earth that is ____.
A
turned toward the Sun
B
tilted away from the Sun
C
turned away from the Sun
D
tilted toward the Sun
5) ____ has colorful clouds in bands of white, red, tan, and brown.
A
Saturn
B
Jupiter
C
Neptune
D
Uranus
6) Two of the inner planets are ____.
A
Venus and Saturn
B
Earth and Pluto
C
Mars and Venus
D
Mercury and Jupiter
7) Smaller pieces of rock from old, broken-up comets become ____.
A
meteoroids
B
meteorites
C
comets
D
planetoids
8) Small pieces of rock that enter Earth's atmosphere at speeds of 15 to 70 km/s and burn up are called ____.
A
meteors
B
meteorites
C
asteroids
D
stars
9) ____ are pieces of rock that strike the surface of a moon or planet.
A
Meteorites
B
Meteor showers
C
Comets
D
Meteoroids
10) This planet has no true atmosphere.
A
Jupiter
B
Saturn
C
Mercury
D
Mars
11) Pluto is considered the ____ planet.
A
second
B
first
C
tenth
D
ninth
12) A comet develops a tail because of ____.
A
the heat of the Sun
B
Earth's atmosphere
C
the Oort Cloud
D
Jupiter's gravitational pull
13) Evidence suggests that ____ originate in the Oort Cloud located beyond the orbit of Pluto.
A
comets
B
meteoroids
C
asteroids
D
meteorites
14) The structure of a comet is considered to be like a large, ____, or a mass of frozen ice and rock.
A
none of the above
B
solid planet
C
cratered moon
D
dirty snowball
15) Water is found as a solid, liquid, and gas on ____.
A
Mars
B
Venus
C
Mercury
D
Earth
16) Mercury is the ____ planet from the Sun.
A
fourth
B
second
C
first
D
third
17) ____ is the third planet from the Sun.
A
Mars
B
Mercury
C
Earth
D
Venus
18) The order of the inner planets outward from the Sun is ____.
A
Earth, Venus, Mars, and Mercury
B
Mercury, Earth, Venus, and Mars
C
Mercury, Venus, Earth, and Mars
D
Mars, Venus, Earth, and Mercury
19) The orbits of ____ lie closer to the Sun than does Earth's orbit.
A
Jupiter and Mercury
B
Mercury and Venus
C
Mercury and Mars
D
Mars and Venus
20) The intense magnetic fields of sunspots cause archlike eruptions called ____.
A
solar eclipses
B
photospheres
C
prominences
D
corona
*select an answer for all questions
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