7.1 & 7.2 Exam Review

Flashcard
•
Science
•
10th - 12th Grade
•
Hard
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15 questions
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1.
FLASHCARD QUESTION
Front
What is the term for galaxies that are moving away from us in space?
Back
red-shift
2.
FLASHCARD QUESTION
Front
What do the largest stars start to fuse when they run out of hydrogen in the core?
Back
helium to carbon
3.
FLASHCARD QUESTION
Front
What phenomenon causes wavelengths to shrink when the source is coming toward you, or expand when it is moving away?
Back
Doppler Effect
4.
FLASHCARD QUESTION
Front
What is a particle of light called?
Back
photon
5.
FLASHCARD QUESTION
Front
What are Galileo's contributions to astronomy?
Back
discovery of sunspots on the sun, the four moons of Jupiter, the moon's surface has craters.
6.
FLASHCARD QUESTION
Front
What is Hubble's Law?
Back
The observation that the farther away a galaxy is, the faster it is moving away from us.
7.
FLASHCARD QUESTION
Front
What is the main component of stars during the main sequence phase?
Back
hydrogen
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