NEW
Font size
S
M
L
XL
WorksheetsUniverse and Stars Test Review
Total questions: 19
Worksheet time: 12mins
Name
Class
Date
1.
How did the balloon model in the balloon lab represent our universe?
a)
Expansion
b)
Contraction
2.
What evidence did astronomers have to show that our universe is expanding?
a)
Blue Shift
b)
Red Shift
3.
The remnant of a giant star that has lost it's outer atmosphere is a
a)
Supergiant
b)
Nebula
c)
White Dwarf
d)
Planetary Nebula
4.
The most luminous, most massive stars, with diameters greaters greater than 100 times the diameter of the sun
a)
supergiant
b)
nebula
c)
white dwarf
d)
planetary nebula
5.
a halo of that is formed by the expelled layers of a star's atmosphere
a)
super giant
b)
nebula
c)
white dwarf
d)
planetary nebula
6.
a large cloud of gas in space
a)
super giant
b)
nebula
c)
white dwarf
d)
planetary nebula
7.
a group of stars that appear to form a pattern in the sky
a)
our sun
b)
protostars
c)
constellations
d)
super nova
8.
the distance that light travels in one year, about 9.5 trillion kilometers
a)
constellations
b)
light year
c)
main sequence
d)
giant stars
9.
the brilliant burst of light that follows the collapse of the iron core of a massive star
a)
super nova
b)
neutron stars
c)
pulsar
d)
blackhole
10.
a distant neutron star that emits rapid pulses of light and radiowaves instead of steady radiation
a)
super nova
b)
neutron stars
c)
pulsar
d)
blackhole
11.
the super dense remains of a massive star that collapsed with enough force to push all of its electrons into the nuclei they orbit, resulting in a mass of neutrons
a)
super nova
b)
neutron star
c)
pulsar
d)
black hole
12.
the final life stage of an extremely massive star, with a gravitational field so intense that not even light can escape
a)
super nova
b)
neutron star
c)
pulsar
d)
black hole
13.
which object forms by the conctraction of a large sphere of gases causing the nuclear fusion of lighter elements into heavier elements?
a)
comet
b)
planet
c)
moon
d)
star
14.
the probable fate of our sun is
a)
to expand as a red giant, undergo a nova outburst and end as a white dwarf
b)
to shrink to a white dwarf then eventually expand to a red giant
c)
become hotter and expand to a blue supergiant
d)
to become a black hole
15.
What factor from the choices below determines whether a star will evolve into a white dwarf, a neutron star, or a black hole?
a)
percentage of helium
b)
mass
c)
percentage of carbon
d)
apparent brightness
16.
According to our present theories of stellar evolution, our sun will change next into
a)
a white dwarf
b)
a black hold
c)
a supernova
d)
a red giant
17.
What are the two most abundant elements in a main sequence star?
a)
carbon and heavy metals
b)
helium and carbon
c)
carbon and hydrogen
d)
hydrogen and helium
18.
How do stars like the sun create energy that is later radiated away into space?
a)
burning of carbon fuels
b)
changes in state such as melting and evaporation
c)
absorbing electromagnetic radiation form space
d)
nuclear fusion changing hydrogen into helium
19.
What is the single most important factor controlling the evolution of a star?
a)
mass
b)
rotation rate
c)
element composition
d)
temperature
Reset
