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WorksheetsSun and star lifecycle
Total questions: 20
Worksheet time: 13mins
How does the sun produce energy?
By burning sulfur
By making carbon from water and oxygen
By fusing hydrogen into helium
By the fission of uranium atoms
What is the role of the magnetosphere?
It blocks iron pellets that fly off the sun as things explode
It cools the temperature of the sun's rays so they do not burn us
It makes iron magnetic here on earth
It deflects the solar wind
How much of the sun's radiation actually makes it to the earth's surface?
All
Most
A small amount
none
With regard to a star's life cycle, all stars begin as what thing?
A nebula
A red giant
A supernova
Ashes
Only high mass stars have this in their life cycle.
A red giant
A nebula
A white dwarf
A supernova
How might a high mass star's life cycle end? (check all that apply)
white dwarf
neutron star
black hole
red giant
A low mass star life cycle will end as ___.
a supernova
a white dwarf
a neutron star
a black hole
Which of the following describes the sun's place in its life cycle?
It is a nebula
It is a white dwarf
It is a red giant
It is a yellow main sequence star
Main sequence stars have what in common?
They are primarily fusing hydrogen into helium
They are red in color
They are larger than most other stars
They are the hottest stars
A Hertzsprung Russell diagram compares which of the following star characteristics? (check all that apply)
color
temperature
brightness
size
Where are the hottest stars on this Hertzsprung Russell Diagram>
Left side
Right side
Middle
They are all the same temperature
What color are the hottest stars?
yellow
orange
red
blue
Which of these stars is most like the sun?
Antarese
Rigel
Spica
Ceti
Which of these stars is hottest and brightest?
Spica
Vega
Polux
Centauri B
Which star would you call a red giant?
Polaris
Sirius
Betelgeuse
DX Cancri
What best describes sun spots?
cooler places on the sun's surface
holes left after solar explosions
cave-like structures that lead to the sun's core
different colored elements than the rest of the surface
The maunder minimum was a time when there was relatively little sunspot activity going on. What was happening on earth during the same time period?
an abnormal amount of tornadoes and hurricanes
global flooding
a mini ice age
a time of intense heat
What phenomena is pictured?
a sunspot
a maunder minimum
a solar flare
a black hole
Which radiations are produced by the sun? (check all that apply)
ultraviolet (UV)
infrared (IR)
gamma rays
radio waves
Sunspots undergo a cycle typically lasting how many years?
2
7
11
100
