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Astronomy Unit Review 2
Test Description: Astronomy Unit Review 2
Instructions: Answer all questions to get your test result.
1) A galaxy that has a shape similar to a football is a(n) ____ galaxy.
A
irregular
B
barred spiral
C
elliptical
D
normal spiral
2) Dark, cooler areas on the Sun's surface are called ____.
A
solar flares
B
sunspots
C
coronas
D
prominences
3) A group of stars, gas, and dust held together by gravity is a ____.
A
constellation
B
Local Group
C
both a and b
D
galaxy
4) The Sun produces energy by ____ in its core.
A
helium
B
nuclear fusion
C
oxygen
D
carbon
5) The spiral shape of the Milky Way Galaxy CANNOT be seen from Earth because ____.
A
none of the above
B
we are located above the galaxy
C
we are located within one of its spiral arms
D
our view is blocked by the Sun
6) In a ____ telescope, light passes through convex lenses.
A
refracting
B
Hubble
C
reflecting
D
shuttle
7) Optical telescopes include ____.
A
refracting telescopes only
B
reflecting telescopes and refracting telescopes
C
reflecting telescopes only
D
radio telescopes only
8) ____ telescopes collect and record radio waves given off by some objects in space.
A
Refracting
B
Radio
C
Optical
D
Reflecting
9) Why does the Moon shine?
A
Because its hot, molten core burns from within..
B
Because it reflects the light of the Earth.
C
Because two prominences have combined to form a solar flare.
D
Because it is reflecting the light of the Sun.
10) Earth's yearly orbit around the Sun
A
waxing
B
rotation
C
revolution
D
axis
11) changing appearances of the Moon from Earth
A
revolution
B
rotation
C
Moon phases
D
axis
12) turning of Earth on its axis
A
rotation
B
axis
C
revolution
D
waxing
13) Moon phases in which the amount of lighted surface seen on Earth increases
A
axis
B
rotation
C
revolution
D
waxing
14) imaginary line extending between the poles around which Earth spins
A
no
B
yes
C
axis
D
rotation
15) caused by Earth's coming between the Sun and the Moon and casting its shadow on the Moon
A
full moon
B
lunar eclipse
C
solar eclipse
D
craters
16) Moon phase in which none of the lighted surface of the Moon can be seen from Earth
A
full moon
B
solar eclipse
C
new moon
D
craters
17) depressions on the Moon caused by the impact of meteorites
A
solar eclipse
B
craters
C
full moon
D
new moon
18) caused by the Moon's being between the Sun and Earth and casting its shadow on Earth
A
craters
B
full moon
C
solar eclipse
D
lunar eclipse
19) phase in which all of the lighted side of the Moon can be seen from Earth
A
craters
B
lunar eclipse
C
full moon
D
solar eclipse
20) greenhouse effect causes extremely high surface temperatures
A
Saturn
B
Pluto
C
Venus
D
Jupiter
*select an answer for all questions
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