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WorksheetsGoal 2: Life & Death of a Star
Total questions: 30
Worksheet time: 15mins
Name
Class
Date
1.
(Remember, there'll be a unit test on Goals 1-4 in the future, no notes!!)
Flashback to Goal 1: Which star color indicates the hottest temperature?
Flashback to Goal 1: Which star color indicates the hottest temperature?
a)
Red
b)
Blue
c)
White
d)
Yellow
2.
(Remember, there'll be a unit test on Goals 1-4 in the future, no notes!!)
Flashback to Goal 1: To determine a star's parallax, one records the position of a star ____ apart.
Flashback to Goal 1: To determine a star's parallax, one records the position of a star ____ apart.
a)
1 year
b)
6 months
c)
24 hours
d)
1 month
3.
(Remember, there'll be a unit test on Goals 1-4 in the future, no notes!!)
Flashback to Goal 1: Light leaves the Sun how long before we see it?
Flashback to Goal 1: Light leaves the Sun how long before we see it?
a)
6 seconds
b)
.5 lightyear
c)
1.2 billion years
d)
8 minutes
4.
Stars are formed in a large cloud of gas and dust called a
a)
cumulonimbus cloud
b)
nebula
c)
neutron star
d)
black hole
5.
When the gas within a nebula shrinks, spins, and flattens into a disk, it is then called a
a)
black hole
b)
white dwarf
c)
neutron star
d)
protostar
6.
The process that fuels stars is
a)
nuclear fusion
b)
nuclear fission
c)
physical fraction
d)
photosynthesis
7.
The interior of a star is mainly in this state of matter.
a)
solid
b)
liquid
c)
gas
d)
plasma
8.
In a Main Sequence star, the outward force of radiation is balanced by an inward force of...
a)
gravity
b)
fusion
c)
condensation
d)
plasmatification
9.
A star that is 10 times as large as our Sun and is COOLING as it ages is a...
a)
red giant
b)
neutron star
c)
white dwarf
d)
pulsar
10.
A white dwarf may be surrounded by a...
a)
nebula
b)
black hole
c)
a planetary nebula
d)
a plasma cloud
11.
S.E.T.I. stands for
a)
Search for Extraterrestrial Intelligence
b)
Star Energy Temperature Inversions
c)
Supernatural Evidence Theoretical Institute
d)
Star Emergence Time Intervals
12.
What is left after a supernova?
a)
Neutron star
b)
Supergiant
c)
White Dwarf
d)
Black Dwarf
13.
When matter disappears into a black hole, it gives off...
a)
x rays
b)
heat waves
c)
UV rays
d)
radio waves
14.
Why can't scientists observe the entire lifespan of one star?
a)
It takes billions of years
b)
We cannot perceive those wavelengths
c)
It goes too fast
d)
The limitations of our telescopes
15.
Scientists can understand the life cycle of stars by observing stars in ____
a)
various stages of their life cycles
b)
laboratory recreations
c)
Black holes
d)
ancient texts
16.
What is found on the x axis of a H-R diagram?
a)
Luminosity
(or brightness)
(or brightness)
b)
Temperature
c)
Star Size
d)
Distance
17.
A main sequence blue star would have
a)
High luminosity &
low temperature
low temperature
b)
High luminosity &
high temperature
high temperature
c)
Low luminosity &
low temperature
low temperature
d)
Low luminosity &
high temperature
high temperature
18.
Which is an example of a Main Sequence star?
a)
Betelgeuse
b)
our Sun
c)
Sirius B
d)
Polaris
19.
A star spends most of its "life" as a
a)
Nebula
b)
Main Sequence star
c)
Red Giant
d)
White Dwarf
20.
The compression wave resulting from a star exploding can cause a nearby nebula to form into a...
a)
planetary nebula
b)
dwarf star
c)
protostar
d)
super nova
21.
Which of these correctly gives a nebula's composition?
a)
40% Hydrogen
20% Helium
40% heavy elements
20% Helium
40% heavy elements
b)
70% Helium
25% Hydrogen
5% heavy elements
25% Hydrogen
5% heavy elements
c)
40% Helium
20% Hydrogen
40% heavy elements
20% Hydrogen
40% heavy elements
d)
70% Hydrogen
28% Helium
2% heavy elements
28% Helium
2% heavy elements
22.
A spinning protostar's gravitational energy is converted to
a)
heat energy
b)
potential energy
c)
gold
d)
Euros
23.
At what temperature does a protostar light and become a Main Sequence star?
a)
10 million ˚C
b)
10 billion ˚C
c)
1 million ˚C
d)
1 billion ˚C
24.
White dwarves are small, dim, & hot. Giants are large, bright, and cool.
a)
True
b)
False
25.
Betelgeuse is a ______ found in the constellation _____.
a)
red giant / Orion
b)
red giant / Leo
c)
white dwarf / Orion
d)
white dwarf / Leo
26.
After using up all of its hydrogen, a dying star will fuse its helium into Carbon & Oxygen.
a)
True
b)
False
27.
In astronomy, LGM stands for
a)
Little
Green
Men
Green
Men
b)
Lunar
Gravitational
Motion
Gravitational
Motion
c)
Luminous
Great
Matter
Great
Matter
d)
Least
Giant
Magnitude
Giant
Magnitude
28.
Which of these puts the main parts of an average star's life cycle in the correct order?
a)
protostar>
main sequence>
red giant >
white dwarf
main sequence>
red giant >
white dwarf
b)
protostar>
main sequence>
white dwarf>
red giant
main sequence>
white dwarf>
red giant
c)
main sequence>
protostar>
white dwarf>
red giant
protostar>
white dwarf>
red giant
d)
protostar>
red giant >
main sequence>
white dwarf
red giant >
main sequence>
white dwarf
29.
Which of these is destined to Supernova?
a)
A massive star
b)
A binary star
c)
A white dwarf
d)
Our Sun
30.
A pulsar is a rapidly spinning __________ that emits radio waves as it spins.
a)
Red Giant
b)
Black hole
c)
Neutron Star
d)
Planetary Nebula
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