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Stars, Galaxies, And The Universe Review 3
Test Description: Review for final test.
Instructions: Answer all questions to get your test result.
1) What is the color of stars with the lowest surface temperature?
A
Yellow/red
B
Yellow/white
C
red/brown
D
blue/white
2) What is the color of stars with the highest surface temperatures?
A
Red/brown
B
Yellow/Red
C
Blue white
D
Yellow/White
3) What factor affects the color of a star?
A
distance
B
Luminosity
C
size
D
Temperature
4) What type of star is about 1.4 times the mass of the Sun, has a strong magnetic field, and a very fast spin?
A
Neutron Star
B
White dwarf
C
Main Sequence
D
Red Dwarf
5) How did our universe become filled with clumps of stuff like planets, suns, and galaxies?
A
Gravity
B
it was always there
C
inflation
D
Heat left over from the big bang
6) Name three principle elements of life that are made in stars?
A
Carbon, nitrogen, oxygen
B
potassium, silicon, carbon
C
berylium, neon, oxygen
D
oxygen, argon nitrogen
7) What causes matter to contract and come back together again?
A
nuclear fusion
B
supernovae
C
the big bang
D
gravity and inertia
8) How does the nebular theory describe the formation of the solar system?
A
A cloud of spinning gas and dust condensed and formed the Sun and planets
B
A star exploded and created the planets we have today
C
Giant asteroids collided breaking off parts that become the Sun and planets
D
Chunks of matter from the Big Bang blasted into space and formed it.
9) Where were elements heavier than iron (Fe, atomic number 26) formed?
A
In supernovae explosions
B
During nuclear fusion
C
during the Big Bang
D
other planets
10) What is conservation of angular momentum?
A
As a spinning mass reduces its size, it will spin faster
B
As a mass flattens, particles smash into each other
C
As a spinning mass enlarges its size, it will spin slower
D
As a mass flattens into a disc shape it will stop spinning
*select an answer for all questions
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