

Understanding the Sun and Its Energy
Flashcard
•
Science
•
10th Grade
•
Medium
Mx Stockburger
Used 2+ times
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22 questions
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1.
FLASHCARD QUESTION
Front
In the Sun's core, ____________ atoms fuse to form __________, releasing huge amounts of energy.
Back
Hydrogen atoms fuse into helium atoms
2.
FLASHCARD QUESTION
Front
How old is the Sun and Earth?
Back
4.5 Billion Years
3.
FLASHCARD QUESTION
Front
What is spectroscopy?
Back
Spectroscopy is the study of how light can be split into different colors (wavelengths).
4.
FLASHCARD QUESTION
Front
How will the amount of hydrogen in the Sun change over time?
Back
Over time, hydrogen in the Sun’s core will decrease as helium increases.
5.
FLASHCARD QUESTION
Front
What is the relationship between temperature and luminosity in Main Sequence stars?
Back
Main sequence stars: Hotter stars are more luminous, cooler stars are dimmer.
As temperature increases, luminosity increases.
6.
FLASHCARD QUESTION
Front
What is the temperature and luminosity of White Dwarf stars? (high / low)
Back
White dwarfs: Very hot but low luminosity (small size).
7.
FLASHCARD QUESTION
Front
Where do stars begin their life?
Back
Stars form in nebulae: clouds of gas and dust.
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