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Gr 8 Universe Review
Test Description: Gr 8 universe
Instructions: Answer all questions to get your test result.
1) What instrument is used to collect and analyze light from the stars?
A
thermometer
B
telescope
C
microscope
D
spectroscope
2) All of the following are parts of our solar system EXCEPT:
A
Sun
B
The Andromeda Galaxy
C
Comets
D
Pluto
3) Our galaxy is a ______ galaxy
A
ellipitcal
B
spiral
C
barred
D
irregular
4) The brightness of stars as we see them from earth is called
A
attitude
B
accidental magnitude
C
apparent magnitude
D
absolute magnitude
5) The BEST units for measuring distances between stars and galaxies would be___
A
astronomical units
B
light years
C
inches
D
kilometers
6) If a star is 75 light years away, what year did the light we are seeing now, leave the star?
A
1963
B
1938
C
2088
D
1975
7) In the HR diagram, which axis is brightness found on?
A
x axis
B
y axis
8) What does a star become when it runs out of hydrogen fuel?
A
Red Giant
B
SuperNova
C
Nebula
D
White Dwarf
9) Which of the stars listed is furthest along in it's cycle?
A
red giant
B
white dwarf
C
main sequence star
10) What characteristic of a star determines the path the life of that star will take?
A
luminosity
B
temperature
C
mass
D
brightness
*select an answer for all questions
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