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WorksheetsUnit 1 Lesson 3 The Life Cycle of Stars Quiz
Total questions: 20
Worksheet time: 40mins
Our Sun is currently in what stage of it's "life"?
Protostar
Nebula
Main Sequence
Red Giant
Main sequence stars are made primarily of which elements?
Hydrogen only
Helium and Carbon
Carbon and Iron
Hydrogen and Helium
Place the following stages for the life of a low-mass star such as the sun, in order: A) Red giant; B) White dwarf; C) Main sequence star
C, A, B
A, C, B
B, A, C
B, C, A
Stars are born inside of...
Nebulas
Supernovas
Black Holes
Singularities
A Hertzsprung- Russell (HR) Diagram measures...
Luminosity & Magnitude
Temperature & Gravity
Luminosity & Temperature
Magnitude & Brightness
What color are the hottest stars?
Blue-white
Yellow
Blue
Red
This force brings all the matter together that helps make the star?
magnetism
friction
gravity
normal force
What kind of star can end up as a black hole?
high mass
average
low mass
H-R (Hertzsprung - Russell) Diagram
Color vs. Brightness chart
Temperature vs. Luminosity chart
Stellar life cycle chart
A star is born when:
nuclear fusion starts
a nebula becomes a protostar
gases in a nebula condense
hydrogen is used up in fusion processes
The stable and longest lasting period of a star’s life cycle is called:
The birth of a star
Nebula
Neutron star
Main Sequence
What is a celestial body that is composed of gas and emits light from nuclear fusion reactions?
Nebula
Star
Galaxy
Planet
Shown as number 6 on the diagram, these stars are the largest known stars in the universe measuring more than a 1000x the size of our Sun. They are known as ....
Red super giants
Massive stars
White dwarfs
Neutron stars
The brightness of a star depends on?
its size
its temperature
its distance from earth
All of the options
The graph above represents the brightness and
temperature of stars visible from Earth. Which location on the graph best represents a star with the highest brightness and temperature?
A
B
C
D
