What is the Big Bang Theory?
The Big Bang Theory Review

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Science
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8th - 10th Grade
•
Hard
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15 questions
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1.
FLASHCARD QUESTION
Front
Back
A theory that states the universe began as a small point that expanded rapidly about 13.7 billion years ago.
2.
FLASHCARD QUESTION
Front
What is a singularity in the context of the Big Bang Theory?
Back
A singularity refers to the single small point where all of what would become the universe was concentrated before the Big Bang.
3.
FLASHCARD QUESTION
Front
What does it mean that the universe is expanding?
Back
It means that the amount of space between galaxies is increasing.
4.
FLASHCARD QUESTION
Front
What are the primary elements that make up most of the matter in the universe?
Back
Hydrogen, helium, and dark matter.
5.
FLASHCARD QUESTION
Front
What is redshift?
Back
Redshift is the phenomenon where light from distant galaxies is shifted towards the red end of the spectrum, indicating that those galaxies are moving away from us.
6.
FLASHCARD QUESTION
Front
What is the Cosmic Microwave Background (CMB)?
Back
The CMB is the afterglow radiation from the Big Bang, filling the universe and providing evidence for the Big Bang Theory.
7.
FLASHCARD QUESTION
Front
What is dark matter?
Back
Dark matter is a type of matter that does not emit light or energy, making it invisible and detectable only through its gravitational effects.
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