WorksheetsStellar Evolution and Cosmology Quiz
Total questions: 15
Worksheet time: 8mins
Name
Class
Date
1.
What is the first stage in the life cycle of a star?
a)
Nebula
b)
Main Sequence Star
c)
Red Giant
d)
White Dwarf
2.
During which stage of a star's life cycle does nuclear fusion of hydrogen begin?
a)
Nebula
b)
Main Sequence Star
c)
Red Giant
d)
Supernova
3.
What happens when a star like our Sun depletes its hydrogen fuel?
a)
It becomes a black hole
b)
It explodes in a supernova
c)
It expands into a red giant
d)
It immediately becomes a white dwarf
4.
What is the final stage in the life cycle of a Sun-like star?
a)
Red Giant
b)
Supernova
c)
Neutron Star
d)
Black Dwarf
5.
Which of the following is NOT a possible end stage for a large star?
a)
Supernova
b)
Neutron Star
c)
Black Hole
d)
White Dwarf
6.
Approximately how long will it take for our Sun to become a red giant?
a)
1 million years
b)
500 million years
c)
5 billion years
d)
50 billion years
7.
What determines the color of a star?
a)
Its mass
b)
Its age
c)
Its surface temperature
d)
Its chemical composition
8.
Which color indicates a hotter star?
a)
Red
b)
Yellow
c)
White
d)
Blue
9.
What does the absolute magnitude of a star represent?
a)
Its actual size
b)
Its brightness if viewed from 10 parsecs away
c)
Its brightness as seen from Earth
d)
Its mass
10.
What does the apparent magnitude of a star represent?
a)
Its actual size
b)
Its brightness if viewed from 10 parsecs away
c)
Its brightness as seen from Earth
d)
Its mass
11.
What does the Hertzsprung-Russell (HR) diagram plot?
a)
Mass vs. age
b)
Temperature vs. brightness
c)
Size vs. color
d)
Rotation speed vs. mass
12.
What does the Big Bang theory propose?
a)
The universe is static
b)
The universe is shrinking
c)
The universe expanded from a single point
d)
The universe has always existed
13.
What is red shift evidence of?
a)
Galaxies moving towards us
b)
The universe cooling down
c)
Galaxies moving away from us
d)
Stars becoming red giants
14.
What does CMBR stand for in cosmology?
a)
Cosmic Microwave Background Radiation
b)
Celestial Magnetic Band Resonance
c)
Cosmological Molecular Binary Reaction
d)
Compact Massive Burst Radiation
15.
What is the CMBR?
a)
Light from the first stars
b)
The afterglow of the Big Bang
c)
Radiation from black holes
d)
Energy released by supernovae
100 %
