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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
protostar
B
nebulae
C
main sequence
D
supernova
2) Light years..
A
distance light travels around the Sun
B
distance light travels in one Earth day
C
distance light travels through matter
D
distance light travels in one Earth year
3) HR Diagram
A
compares brightness and temperature
B
compares main sequence with the sun
C
compares luminosity and the sun
D
compares blue stars with supernovas
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
2027
B
2013
C
2012
D
1999
5) Rotation
A
one year
B
seasons
C
day and night
D
supernova
6) Rotation
A
one year
B
2 weeks
C
365 days
D
24hr
7) Revolution.
A
seasons
B
supernova
C
one year
D
day and night
8) Revolution
A
24 hr
B
2 weeks
C
600 days
D
one year
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 in different galaxies
B
the stars are different distances away
C
the stars are different temperatures
D
the stars have different numbers of planets orbiting them
10) Which of the following describes a star?
A
a collection of gases from several nebulae hot enough to cause a nuclear reaction.
B
a collection of hot gases that forms a sphere but produces no light
C
A sphere of dust and gases that contain many elements and produces light from fusion and fission reactions
D
A sphere of matter with a density and temperature great enough to cause a nuclear reaction in its center
11) Velocity..
A
speed with time
B
speed with direction
C
distance and tine
D
speed with distance
12) Potential energy
A
energy of explosions
B
energy of motion
C
stored energy
D
energy of static cling
13) Kinetic energy
A
energy of motion
B
energy of static cling
C
stored energy
D
energy of explosion
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
brightness
B
distance
C
gas and dust
D
mass
16) Reason for why we have seasons...
A
distance and time
B
tilt and revolution
C
tilt and distance
D
rotation and light intensity
17) Period 2 and valence 6...
A
lithium
B
sulfur
C
zinc
D
oxygen
18) Group 9 and row 6
A
iridium
B
chromium
C
tungsten
D
cobalt
19) Period 4 group 4
A
germanium
B
potassium
C
titanium
D
bromine
20) 2 circles and 5 valence
A
nitrogen
B
cadium
C
chlorine
D
vanadium
*select an answer for all questions
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