The Universe
Flashcard
•
Science
•
8th Grade
•
Hard
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15 questions
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1.
FLASHCARD QUESTION
Front
What is the Big Bang theory?
Back
The Big Bang theory is the leading explanation for the origin of the universe, suggesting it began as a singular point and has been expanding ever since.
Tags
NGSS.HS-ESS1-2
2.
FLASHCARD QUESTION
Front
What is one major piece of evidence supporting the Big Bang theory?
Back
Astronomers have detected leftover radiation from the Big Bang, known as Cosmic Microwave Background Radiation.
Tags
NGSS.HS-ESS1-2
3.
FLASHCARD QUESTION
Front
What does the Cosmic Microwave Background Radiation represent?
Back
It represents the thermal radiation filling the universe, a remnant from the early stages of the Big Bang.
Tags
NGSS.HS-ESS1-2
4.
FLASHCARD QUESTION
Front
What is red shift in astronomy?
Back
Red shift refers to the phenomenon where light from distant galaxies is shifted towards longer wavelengths, indicating that those galaxies are moving away from us.
Tags
NGSS.HS-ESS1-2
5.
FLASHCARD QUESTION
Front
What does the red shift of galaxies indicate about the universe?
Back
It indicates that the universe is expanding, as more distant galaxies show greater red shifts.
Tags
NGSS.HS-ESS1-2
6.
FLASHCARD QUESTION
Front
What is light element abundance?
Back
Light element abundance refers to the relative amounts of hydrogen, helium, and lithium in the universe, which supports the Big Bang theory.
Tags
NGSS.HS-ESS1-2
7.
FLASHCARD QUESTION
Front
What is the significance of the discovery of the Cosmic Microwave Background Radiation?
Back
It provides strong evidence for the Big Bang theory, confirming that the universe was once in a hot, dense state.
Tags
NGSS.HS-ESS1-2
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