Unit 2: Formation of the Universe
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Science
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9th - 12th Grade
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Hannah Cates
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1.
FLASHCARD QUESTION
Front
the true brightness of a star (regardless of how far away it is)
Back
absolute magnitude
2.
FLASHCARD QUESTION
Front
the brightness of a star as it appears from Earth
Back
apparent magnitude
3.
FLASHCARD QUESTION
Front
the most accepted theory for the origin of the universe; states that all matter was concentrated in a tiny point when a giant explosion sent matter out in all directions; the matter condensed to form billions of galaxies
Back
Big Bang theory
4.
FLASHCARD QUESTION
Front
a celestial object with gravity so strong that even light cannot escape, formed from the collapse of a very massive, old star
Back
black hole
5.
FLASHCARD QUESTION
Front
a huge, very bright star with a short life span that is able to fuse helium to heavier elements, including carbon and oxygen
Back
blue giant star
6.
FLASHCARD QUESTION
Front
an outline, sketch, or other image designed to convey information about relationships or how something works
Back
diagram
7.
FLASHCARD QUESTION
Front
(or nuclear fusion)- the process by which one atom combines with another to become one atom of a heavier element; in stars, the process by which hydrogen is fused into helium producing energy that is given off as electromagnetic radiation
Back
fusion
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