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WorksheetsLife of Star Assignment
Total questions: 14
Worksheet time: 7mins
Video: how long can stars live? (2 answers)
Thousands of years
millions of years
billions of years
trillions of years
Video: what is the most important characteristic of a star
Mass
Temperature
Location
Diameter
Video: how do stars produce energy
Fusion
Fission
Combustion
Gravitation
Video: What will low mass stars like the sun turn into when they "die"?
Black Hole
Brown Dwarf
Neutron Star
White Dwarf
Video: What color are high mass main sequence stars?
Red
Yellow
Blue
Brown
Video: what is the mass of a star that will become a neutron star?
less than 1.4 solar mass core remnant
between 1.4 and 3.0 solar mass core remnant
Greater than 3.0 solar mass core remnant
Video: what is the chandrasekhar limit?
The maximum mass of a star that will become a white dwarf
The maximum mass of a star that will become a neutron star
the minimum mass of a star that will become a black hole
the maximum mass of a brown dwarf (failed star)
Video: Where do most heavy elements like silver come from
planetary nebulas
brown dwarfs
supernova explosions
Video: which of the following is the smallest
A red giant star
a white dwarf
a neutron star
a red dwarf
video: which of the following is the stage before a star dies
nebula
protostar
main sequence
red giant
Reading: Which sentence from the section "Why Do Neutron Stars Join Together?" BEST explains why stars join together
stars often form in pairs
when the die, stars explode
The leave behind neutron stars
Finally, they get close enough to crash
READING: What is a reason why people cannot see black holes?
Black holes are very far away from Earth.
Black holes are too light to see during the daytime.
Light cannot escape from black holes.
There are not very many black holes in space.
Look at the image in the section "Dead Stars That Have Burned Out." what does the image show?
a large star that has burned out
two neutron stars crashing
a giant black hole
a star that is exploding
Look at the third image in the article: Which detail from the section "Why Do Neutron Stars Join Together" does the image show
what is left behind after a star explodes
what an exploding star looks like in the moment
what happens when stars join together
what a pair of neutron stars look like
