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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
matter
B
energy
C
liquid
D
mass
2) Another way to define a nebula
A
dying star
B
old star
C
young 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 supernova
B
a white dwarf
C
a giant
D
a galaxy
4) When a star becomes a supernova its brightness __________.
A
doesn't change
B
increases
C
vanishes
D
decreases
5) Our sun is considered a star of__________ temperature
A
hot
B
low
C
cool
D
medium
6) The North Star,___________, is positioned almost directly over the North Pole.
A
Sirius
B
Orion
C
Betelgeuse
D
Polaris
7) The __________ __________of a star is a measure of the amount of light it gives off.
A
apparent magnitude
B
apparent strength
C
absolute magnitude
D
absolute solitude
8) The __________ __________ is a measure of the amount of light received on earth.
A
absolute magnitude
B
absolute measure
C
apparent measure
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
clusters
C
gases
D
dust
*select an answer for all questions
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