Expansion of the Universe
Flashcard
•
Science
•
8th Grade
•
Practice Problem
•
Hard
Standards-aligned
Wayground Content
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15 questions
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1.
FLASHCARD QUESTION
Front
What is the Expansion of the Universe?
Back
The Expansion of the Universe refers to the observation that galaxies are moving away from each other, indicating that the universe is growing larger over time.
Tags
NGSS.HS-ESS1-2
2.
FLASHCARD QUESTION
Front
What does RED SHIFT indicate in astronomy?
Back
RED SHIFT indicates that an object, such as a galaxy, is moving away from the observer, causing the light to shift towards the red end of the spectrum.
Tags
NGSS.HS-ESS1-2
3.
FLASHCARD QUESTION
Front
What is the significance of the Big Bang Theory?
Back
The Big Bang Theory explains that the universe began from a singularity and has been expanding ever since, leading to the formation of galaxies, stars, and planets.
Tags
NGSS.HS-ESS1-2
4.
FLASHCARD QUESTION
Front
What are the primary components of the universe?
Back
The primary components of the universe include hydrogen, helium, and dark matter.
5.
FLASHCARD QUESTION
Front
What evidence supports the idea that the universe is expanding?
Back
The observation of redshift in distant galaxies supports the idea that the universe is expanding.
Tags
NGSS.HS-ESS1-2
6.
FLASHCARD QUESTION
Front
What is a singularity in the context of the Big Bang?
Back
A singularity is a point in space where all matter and energy of the universe was concentrated before the Big Bang.
Tags
NGSS.HS-ESS1-2
7.
FLASHCARD QUESTION
Front
How do scientists measure the distance to galaxies?
Back
Scientists measure the distance to galaxies using methods such as redshift, standard candles (like supernovae), and parallax.
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