Unit 4 science 8th grade universe

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Science
•
8th Grade
•
Hard
Standards-aligned
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15 questions
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1.
FLASHCARD QUESTION
Front
What type of star has a low temperature and a low luminosity?
Back
Smaller Main Sequence stars are stars that have low temperature and low luminosity.
2.
FLASHCARD QUESTION
Front
What is the final stage for small/medium mass stars like our Sun?
Back
A white dwarf is the final stage for small/medium mass stars.
3.
FLASHCARD QUESTION
Front
What type of star has a high temperature and a high luminosity?
Back
Blue Giants are stars that have high temperature and high luminosity.
4.
FLASHCARD QUESTION
Front
Is the luminosity of Red Giant stars higher or lower than Red Supergiants?
Back
The luminosity of Red Giant stars is lower than that of Red Supergiants.
5.
FLASHCARD QUESTION
Front
What stage in the life cycle is described as a large cloud of gas and dust ejected by an aging star?
Back
This stage is known as a Planetary Nebula.
6.
FLASHCARD QUESTION
Front
What is a star's luminosity?
Back
Luminosity is the total amount of energy emitted by a star per unit of time.
7.
FLASHCARD QUESTION
Front
What is the main sequence in stellar evolution?
Back
The main sequence is a continuous and distinctive band of stars that appears on plots of stellar color versus brightness.
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NGSS.HS-ESS1-1
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