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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
1-3 billion years old
B
8-11 billion years old
C
12-15 billion years old
D
4-7 billions 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
red
B
blue
C
green
D
yellow
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
green
B
blue
C
yellow
D
red
4) At what speed are object moving in relation to Earth if there are larger Doppler shifts ?
A
same as Earth
B
higher than Earth
C
lower than Earth
D
at the speed of light
5) At what speed are object moving in relation to Earth if there are smaller Doppler shifts ?
A
at the speed of light
B
same as Earth
C
higher than Earth
D
lower than Earth
6) What machine do scientists use to simulate the conditions of the early universe?
A
radio telescope
B
spectral centrifuge
C
particle accelerator
D
electromagnetic vacuum
7) What phenomenon helps reveal if an object in space is moving toward or away from the Earth?
A
stellar refraction
B
magnetic imaging
C
Doppler effect
D
Hubble resonance
8) The concept of an expanding universe led to the:
A
interstellar radiation theory
B
big crunch theory
C
big bang theory
D
expansion-contraction thoery
9) A device that can separate light into different colors or wavelength's is the:
A
Hadron collider
B
telescpoe
C
spectrometer
D
particle accelerator
10) The cooling and condensing of the gases and interstellar dust in universe led to the formation of:
A
blackholes
B
stars and galaxies
C
atoms and molecules
D
gravity
*select an answer for all questions
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