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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
mass
B
matter
C
liquid
D
energy
2) Another way to define a nebula
A
young star
B
dying star
C
old star
D
exploding star
3) Once stars run out of hydrogen and the temperature begins to increase, these stars are said to be __________.
A
a white dwarf
B
a supernova
C
a giant
D
a galaxy
4) When a star becomes a supernova its brightness __________.
A
increases
B
decreases
C
vanishes
D
doesn't change
5) Our sun is considered a star of__________ temperature
A
medium
B
low
C
cool
D
hot
6) The North Star,___________, is positioned almost directly over the North Pole.
A
Betelgeuse
B
Sirius
C
Polaris
D
Orion
7) The __________ __________of a star is a measure of the amount of light it gives off.
A
apparent magnitude
B
absolute solitude
C
apparent strength
D
absolute magnitude
8) The __________ __________ is a measure of the amount of light received on earth.
A
absolute measure
B
apparent measure
C
absolute magnitude
D
apparent magnitude
9) Astronomers use a star's __________ to determine how far it is from Earth.
A
parallel
B
size
C
parallax
D
brightness
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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