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WorksheetsSun and Stars Review
Total questions: 15
Worksheet time: 15mins
What type of celestial object is the Sun?
star
planet
comet
asteroid
The apparent magnitude of a star is a measure of its ______
actual brightness
distance as seen from Earth
brightness as seen from Earth
rate of energy output
Which is NOT a characteristic of a star?
blue stars are cooler than red stars
stars have a limited lifespan
some dying stars can become black holes
star mass is related to element production
How is energy from the Sun's core transferred to the Sun's surface?
conduction
convection
solar flares
electromagnetic radiation
Dark, cooler areas on the Sun's surface are called
sun spots
solar flares
coronas
prominences
How does a star produce elements heavier than iron (Fe)?
heat
supernova
rapid rotation
nuclear fusion
Which process releases energy that powers the Sun and other stars?
nuclear fusion
nuclear fission
supernova
plasma discharge
All stars begin as a __________
nebula
nucleus
main sequence
red giant
According to the diagram, white dwarf stars are:
high temperature high brightness
high temperature low brightness
low temperature high brightness
low temperature low brightness
According to the diagram, a red giant is
low temperature high brightness
low temperature low brightness
high temperature low brightness
high temperature high brightness
Which is NOT a stage of a high-mass star's life?
black dwarf
red giant
main sequence
protostar
Which element is the last to form in a red supergiant via fusion?
iron (Fe)
silicon (Si)
oxygen (O)
Helium (He)
When atomic nuclei combine to form heavier elements.
nuclear fusion
nuclear fission
nuclear combination
nuclear combustion
According to the graph, a star that is 2,800 Kelvin belongs to spectral class _____
B
M
F
G
Energy from the Sun reaches Earth in the form of
electromagnetic radiation
convection currents
conduction energy
nuclear fusion
