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WorksheetsFormation of the Universe
Total questions: 14
Worksheet time: 7mins
Name
Class
Date
1.
The universe is mostly made up of
a)
dark matter
b)
stars
c)
dust
d)
empty space
2.
About how long ago do scientists believe the universe began?
a)
13-14 billion years ago
b)
13-14 million years ago
c)
12-13 billion years ago
d)
12-13 million years ago
3.
Why is the light from distant galaxies red-shifted?
a)
They produce more red light than nearby galaxies
b)
They are moving away from us
c)
The longer wavelengths are filtered out more by dust
d)
They are moving toward us
4.
What do the initial moments after the Big Bang have in common with the universe as it exists now?
a)
all the stars, galaxies, and planets that exist today were formed just a few moments after the Big Bang
b)
The universe back then could not sustain life, and it cannot sustain life now
c)
the universe was extremely hot then, and it is still extremely hot not
d)
the universe began expanding then, and it is still expanding today
5.
If an object is moving toward us, its spectrum will experience
a)
no shift
b)
red shift
c)
black spectrum
d)
blue shift
6.
The existence of the cosmic background radiation implies that
a)
the big bang model is wrong.
b)
the universe began in a hot, dense state.
c)
the universe did not have a moment of creation.
d)
the universe began in a cold, low-density state.
7.
Are any of the galaxies moving towards Earth? Explain.
a)
A. It is redshifted
b)
B. It is redshifted.
c)
C. It is blue shifted.
d)
A. It is blueshifted.
8.
The big bang was a what?
a)
explosion
b)
unknown
c)
expansion
d)
contraction
9.
What were the original two elements in our universe?
a)
Lithium and Carbon
b)
Hydrogen and Neon
c)
Helium and Chlorine
d)
Hydrogen and Helium
10.
The "afterglow" of the energy from the origin of the universe that we see today.
a)
Cosmic radiation
b)
sunlight
c)
Doppler effect
d)
Cosmic explosions
11.
Who first believed in the Big Bang Theory?
a)
Gallileo
b)
Nicolaus Copernicus
c)
Georges Lemaître
d)
Kepler
12.
Inside a singularity we find what type of conditions?
a)
Infinite density
b)
Infinite heat
c)
An infinitesimally small diameter
d)
All of these
13.
What is the universe made up of?
a)
energy
b)
matter; dark matter
c)
spacetime
d)
all of the above
14.
The universe's eventual fate could be
a)
ever expanding - too much mass
b)
expand and then collapse - not enough mass
c)
expand and remain a size - just enough mass
d)
all of the above
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