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WorksheetsApologia Physical Science Module 16 Astrophysics
Total questions: 15
Worksheet time: 8mins
Which nuclear process happens in the sun's core
nuclear fission
nuclear fusion
What is the process by which a large nucleus is split into smaller nuclei?
nuclear fusion
nuclear fission
What are the two main types of variable stars?
white dwarfs
pulsating variables
novas
red giants
Supergiants
Apparent magnitude is...
The brightness of a star as ween in the night sky. The smaller the number, the brighter the star.
The brightness of a star, corrected for distance, on a scale of -8 to +19. The smaller the number the brighter the star.
Absolute magnitude is...
The brightness of a star as seen in the night sky.
The brightness of a star, corrected for distance.
Which type of stars do we find in section D on this chart?
white dwarfs
red giants
supergiants
main sequence stars
Which type of star do we find in section A on this chart?
white dwarfs
red giants
supergiants
main sequence stars
Which type of stars do we find in section B on this chart?
white dwarfs
red giants
supergiants
main sequence
Which type of star do we find in section C of this chart?
white dwarfs
red giants
supergiants
main sequence
What is the name of the galaxy to which Earth's solar system belongs and which type is it?
Milky Way, Spiral
Milky Way, irregular
Andromeda, spiral
Andromeda, irregular
What do we call a large ensemble of stars, all interacting through gravitational force and orbiting around a common center?
galaxy
solar system
universe
What do we call the distance light could travel along in a straight line in one year?
a light year
a mile
a meter
What is the amount of an isotope necessary to sustain a chain reaction?
enough
critical mass
plenty
danger
Is it possible for a nuclear power plant to sustain a chain reaction?
No, the plant does not have significantly more than the critical mass of the large nucleus
Yes, nuclear power plants are dangerous
Thank you for being awesome students this year, have a great summer!
