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WorksheetsThe Universe's early History
Total questions: 10
Worksheet time: 5mins
Proxima Centauri is the closest star to us, approximately 4.23 light years away. If you were traveling at the speed of light how long would it take you to get there.
You would get there instantly
Less than 1 minute
4.23 years
4.23 minutes
When you look at objects further away from Earth in a telescope. You are looking at them as they
will be in the future
are currently
were in the past
were before the Big Bang
Which two are evidences of the Big Bang theory?
the Cosmic Microwave Background
the speed of light
Climate change
the expansion of the Universe
Why can't we see any matter from the dark ages?
because matter didn't exist yet
particles were just beginning to form
Stars had not formed yet
energy did not yet exist
Which is believed to existed in the first moment after the Big Bang?
Gravity
Energy
Matter
Hydrogen
The Cosmic Microwave Background is
the light emitted when Hydrogen was formed
the light emitted from the first stars
the light emitted from the first moments after the Big Bang
gamma ray light from the early Universe
Scientists discovered that most galaxies are moving away form us. What did scientists conclude from this
The Universe is shrinking
The Universe is stationary
The Universe is expanding
Galaxies are orbiting each other
The cosmic microwave background is a picture of what type of light?
visible light
gamma ray light
xray light
microwave light
The Cosmic Microwave Background is microwave light because
it is extremely red-shifted due to its velocity
it is extremely blue-shifted due to its velocity
The wavelengths have be shortened over time
that is what was emitted when electrons attached to their nuclei
The Cosmic Microwave Background is an image of our Universe approximately
10 seconds after the Big Bang
30 minutes after the Big Bang
100,000 years after the Big Bang
380,000 years after the Big Bang
