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Stars
Test Description: Virginia 6th graded Glencoe
Instructions: Answer all questions to get your test result.
1) When fusion occurs, the mass lost is converted into __________.
A
liquid
B
mass
C
matter
D
energy
2) Another way to define a nebula
A
old star
B
exploding star
C
young star
D
dying star
3) Once stars run out of hydrogen and the temperature begins to increase, these stars are said to be __________.
A
a galaxy
B
a giant
C
a white dwarf
D
a supernova
4) When a star becomes a supernova its brightness __________.
A
vanishes
B
increases
C
doesn't change
D
decreases
5) Our sun is considered a star of__________ temperature
A
medium
B
cool
C
hot
D
low
6) The North Star,___________, is positioned almost directly over the North Pole.
A
Orion
B
Sirius
C
Polaris
D
Betelgeuse
7) The __________ __________of a star is a measure of the amount of light it gives off.
A
apparent strength
B
absolute magnitude
C
apparent magnitude
D
absolute solitude
8) The __________ __________ is a measure of the amount of light received on earth.
A
absolute measure
B
absolute magnitude
C
apparent measure
D
apparent magnitude
9) Astronomers use a star's __________ to determine how far it is from Earth.
A
size
B
parallel
C
brightness
D
parallax
10) By studying a star's spectra, scientists can determine __________ found in the star's atmosphere.
A
elements
B
dust
C
clusters
D
gases
*select an answer for all questions
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