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