Life Cycle of Stars

Flashcard
•
Science
•
9th Grade
•
Hard
Standards-aligned
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15 questions
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1.
FLASHCARD QUESTION
Front
What are heavy elements?
Back
Heavy elements are a large group of elements, including iron, gold, copper, lead, and magnesium, that conduct heat and electricity well.
2.
FLASHCARD QUESTION
Front
What is a black hole?
Back
A black hole is a region of space having a gravitational field so intense that no matter or radiation can escape.
3.
FLASHCARD QUESTION
Front
What is a super red giant?
Back
A super red giant is an extremely large red giant star with a minimum of 15 solar masses, known for its high luminosity.
Tags
NGSS.HS-ESS1-3
4.
FLASHCARD QUESTION
Front
What characterizes a red giant star?
Back
A red giant star is a very large star of high luminosity and low surface temperature, in a late stage of evolution when no hydrogen remains in the core to fuel nuclear fusion.
5.
FLASHCARD QUESTION
Front
What is a main sequence star?
Back
Main sequence stars are stars that are fusing hydrogen atoms to form helium atoms in their cores.
Tags
NGSS.HS-ESS1-1
6.
FLASHCARD QUESTION
Front
What is nuclear fusion?
Back
Nuclear fusion is the process by which two light atomic nuclei combine to form a heavier nucleus, releasing energy.
Tags
NGSS.HS-ESS1-1
NGSS.HS-PS1-8
7.
FLASHCARD QUESTION
Front
What is a nebula?
Back
A nebula is a giant cloud of dust and gas in space, often the birthplace of stars.
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