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WorksheetsCosmology Unit Test Review
Total questions: 18
Worksheet time: 14mins
The universe is __________ years old.
13,700,000,000 (billion)
13,700,000 (million)
13,700
13
The universe is infinitely old and has no age.
True
False
select all that apply. The first elements created after the big bang were...
Neon
Hydrogen
Helium
Carbon
Red shift was first observed by which scientist?
Albert Einstein
Edwin Hubble
Watson and Crick
Neil Degrasse Tyson
What factor will determine the death of our universe?
age of the universe
the rate at which stars die
Critical Density
the age of our sun
Cosmic microwave radiation originated from what?
5G towers
Other Galaxies
Aliens
The Big Bang
If you were to stand on star Wolf 359 and view the absorption lines on a spectrum for other galaxies, You would see.....
that all galaxies are moving away from you
that all galaxies are stationary
that all galaxies are moving toward you
Big Bang nucleosynthesis says what?
the nucleus of atoms were created before the big bang
There is a lot of helium in the universe thanks to nuclear fusion in star cores
Hydrogen can fuse into helium whenever it wants
only heat from the big bang accounts for the amount of helium in the universe
Red-shift is/was..... (chose all that apply)
Proof of universal expansion.
Observed by Edwin Hubble.
A measured shift of the motions of galaxies through space.
The spectrum lines of a galaxy shift to redder wavelengths.
The universe was in a hot dense state....
immediately after the big freeze
when it came out of the cosmological oven
immediately after the big bang
whenever it wanted to be.
In the seconds following the big bang the universe
cooled
ate a pizza
became less dense
had reduced pressure
The further a galaxy is from the observer the faster it is moving away. This is an explanation of what law?
Newtons Law
Universal Law
Hubble's Law
Kobe's Law
Galaxy D has a velocity of 150 Km/S, Galaxy E has a velocity of 3000 Km/S. Which galaxy is further away?
Galaxy D
Galaxy E
Neither, they will run into each other.
not enough information, Velocity is the speed of rotation.
Hubble's Law imply's what about the history of our universe
The universe started in a galaxy
the universe has an age and started at a single point
The universe has no age and has been expanding forever
that the big bounce is how our universe began
A common measure of distance in space is....
kilometers
feet
a space meter
a light year
What is the broadly accepted theory of the beginning of the universe?
the big freeze
the big rip
the big crunch
the big bang
All galaxies are expanding at a constant rate.
false
true
the study of the origins of the observable universe is referred to as.....
cosmetology
cosmology
astronomy
astrology
