Star Composition
Flashcard
•
Science
•
8th Grade
•
Hard
+3
Standards-aligned
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15 questions
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1.
FLASHCARD QUESTION
Front
What is star composition?
Back
Star composition refers to the elements and compounds that make up a star, primarily hydrogen and helium, along with trace amounts of heavier elements.
Tags
NGSS.HS-ESS1-3
2.
FLASHCARD QUESTION
Front
What does redshift indicate about a star's movement?
Back
Redshift indicates that a star is moving away from the observer, as the light waves are stretched to longer wavelengths.
Tags
NGSS.HS-ESS1-2
3.
FLASHCARD QUESTION
Front
What does blueshift indicate about a star's movement?
Back
Blueshift indicates that a star is moving towards the observer, as the light waves are compressed to shorter wavelengths.
Tags
NGSS.HS-PS4-1
4.
FLASHCARD QUESTION
Front
What is an absorption spectrum?
Back
An absorption spectrum is a spectrum that shows dark lines or bands, indicating the absorption of specific wavelengths of light by elements in a star's atmosphere.
Tags
NGSS.HS-PS4-4
5.
FLASHCARD QUESTION
Front
What is an emission spectrum?
Back
An emission spectrum is a spectrum that shows bright lines or bands, indicating the emission of specific wavelengths of light by elements in a star.
Tags
NGSS.HS-PS4-1
NGSS.HS-PS4-3
6.
FLASHCARD QUESTION
Front
What is a continuous spectrum?
Back
A continuous spectrum is a spectrum that shows a complete range of wavelengths without any gaps, typically produced by solid, liquid, or densely packed gases.
7.
FLASHCARD QUESTION
Front
What is the Doppler effect in relation to stars?
Back
The Doppler effect is the change in frequency or wavelength of light from a star due to its motion relative to the observer, causing redshift or blueshift.
Tags
NGSS.HS-PS4-1
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