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Fall Semester Review IV
Test Description: 8th Semester Review 2017-2018
Instructions: Answer all questions to get your test result.
1) Nursery for stars...
A
supernova
B
nebulae
C
protostar
D
main sequence
2) Light years..
A
distance light travels around the Sun
B
distance light travels in one Earth year
C
distance light travels in one Earth day
D
distance light travels through matter
3) HR Diagram
A
compares main sequence with the sun
B
compares brightness and temperature
C
compares blue stars with supernovas
D
compares luminosity and the sun
4) The Van Maanen's Star is 14 light years away. If the light from this star is observed in 2013, the light was most likely emitted...
A
2013
B
2027
C
1999
D
2012
5) Rotation
A
day and night
B
supernova
C
one year
D
seasons
6) Rotation
A
one year
B
365 days
C
2 weeks
D
24hr
7) Revolution.
A
one year
B
supernova
C
seasons
D
day and night
8) Revolution
A
one year
B
2 weeks
C
24 hr
D
600 days
9) Justin and Ruby are looking at stars on a dark night and notice that two stars next to each other are equally bright, but one is red and one is blue. Which of the following best explains why the stars are different colors?
A
the stars are different temperatures
B
the stars have different numbers of planets orbiting them
C
the stars are different distances away
D
the stars are in different galaxies
10) Which of the following describes a star?
A
A sphere of matter with a density and temperature great enough to cause a nuclear reaction in its center
B
a collection of gases from several nebulae hot enough to cause a nuclear reaction.
C
A sphere of dust and gases that contain many elements and produces light from fusion and fission reactions
D
a collection of hot gases that forms a sphere but produces no light
11) Velocity..
A
speed with distance
B
speed with time
C
speed with direction
D
distance and tine
12) Potential energy
A
energy of motion
B
energy of explosions
C
energy of static cling
D
stored energy
13) Kinetic energy
A
energy of motion
B
energy of explosion
C
stored energy
D
energy of static cling
14) Time between each season
A
one month
B
three months
C
9 months
D
6 months
15) Life time of a star depends on..
A
mass
B
gas and dust
C
brightness
D
distance
16) Reason for why we have seasons...
A
rotation and light intensity
B
distance and time
C
tilt and distance
D
tilt and revolution
17) Period 2 and valence 6...
A
lithium
B
oxygen
C
sulfur
D
zinc
18) Group 9 and row 6
A
cobalt
B
chromium
C
iridium
D
tungsten
19) Period 4 group 4
A
potassium
B
titanium
C
bromine
D
germanium
20) 2 circles and 5 valence
A
chlorine
B
vanadium
C
nitrogen
D
cadium
*select an answer for all questions
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