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Origin Of The Universe
Test Description: This review covers events prior to and after the violent explosion that created the universe.
Instructions: Answer all questions to get your test result.
1) From evidence collected by scientists, what is the agreed upon age of the universe?
A
4-7 billions years old
B
1-3 billion years old
C
12-15 billion years old
D
8-11 billion years old
2) When viewing an object in space through a spectrometer, you determine that the object is moving away from the Earth. What color are the spectral lines or waves you see?
A
blue
B
red
C
yellow
D
green
3) When viewing an object in space through a spectrometer, you determine that the object is moving towards the Earth. What color are the spectral lines or waves you see?
A
blue
B
red
C
yellow
D
green
4) At what speed are object moving in relation to Earth if there are larger Doppler shifts ?
A
lower than Earth
B
at the speed of light
C
same as Earth
D
higher than Earth
5) At what speed are object moving in relation to Earth if there are smaller Doppler shifts ?
A
at the speed of light
B
higher than Earth
C
same as Earth
D
lower than Earth
6) What machine do scientists use to simulate the conditions of the early universe?
A
electromagnetic vacuum
B
particle accelerator
C
spectral centrifuge
D
radio telescope
7) What phenomenon helps reveal if an object in space is moving toward or away from the Earth?
A
Doppler effect
B
Hubble resonance
C
stellar refraction
D
magnetic imaging
8) The concept of an expanding universe led to the:
A
big crunch theory
B
big bang theory
C
expansion-contraction thoery
D
interstellar radiation theory
9) A device that can separate light into different colors or wavelength's is the:
A
Hadron collider
B
particle accelerator
C
spectrometer
D
telescpoe
10) The cooling and condensing of the gases and interstellar dust in universe led to the formation of:
A
stars and galaxies
B
atoms and molecules
C
blackholes
D
gravity
*select an answer for all questions
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