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Big Bang Theory & The Doppler Effect Flashcards | StudBud
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Big Bang Theory & The Doppler Effect
Big Bang Theory & The Doppler Effect
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Earth Science. 9th Grade. BBT and Doppler
Flashcards
16 cards
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Practice quiz
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Questions
16
Answers
1
Which definition is Sheldon Saying?
Hubble's Law
CMBR
The Doppler Effect
Red shift
2
What does CMBR stand for?
Cosmic Mars Background Radiation
Cosmic Microwave Blast Radiation
Cosmic Miniwaves Background Radiation
Cosmic Microwave Background Radiation
3
The early universe was extremely ____ and ____
Hot; less dense
Hot; more dense
Cool; less dense
Cool; more dense
4
If an object's spectrum is blue-shifted, what can you conclude about its motion?
It's moving away
It's not moving
It's moving towards
5
Hubble's Law says that...
Galaxies do not move
Galaxies further from us are moving away faster
Galaxies farther away are moving away slower
Galaxies closer to Earth are moving away faster
6
A theory is backed by evidence and is _____
Accepted by ALL scientists
A guess
Correct
Tested
7
The Big Bang Theory is
A band
The Doppler Effect
The most accepted theory for the creation of the universe
8
The universe continues to ______ and ____
Expand; cool
Contract; heat
Expand; heat
Contract; cool
9
How old do scientists think the universe is?
13.8 billion years old
13 million years old
1.3 billion years old
1.3 million years old
10
As it expanded, the universe ______ and began to slow down.
Heated
Contracted
Cooled
Imploded
11
Which of the following is proof of the Big Bang
Red shift of distant galaxies
CMBR
The asteroid Impact
Blue shift
12
Red Light has a lower _____ than blue light
Timing
Frequency
Energy
13
How does redshift of distant galaxies support The Big Bang Theory
It doesn't support this theory
Contraction means that we will condense again someday
Expansion means that we probably started from one point
14
The microwave _____ _____ from deep space is leftover from the Big Bang
Cooks food
Beautiful Radiation
Background Radiation
Background redshift
15
Why is CMBR uneven in some places?
There were multiple Big Bangs
We don't know
Matter was not spread evenly
It is perfectly even
16
What did Hubble Discover in the 1920s?
We are one of many Earths
The universe is expanding
CMBR
The universe is getting smaller
