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Vocabulary Set #4 Test

Enter the letter for the matching Answer
incorrect
1.
Big Bang Theory
incorrect
2.
Doppler Effect
incorrect
3.
Cosmic Microwave Background (CMB)
A.
Weak radiation that is left over from early, hot stages of expansion of universe
B.
The change in the length of wavelengths when the source of the waves or the observer moves
C.
Theory the universe began as a small point that expanded rapidly about 13.7 billion years ago
Type the Question that corresponds to the displayed Answer.
incorrect
4.
Main element formed in the Big Bang
incorrect
5.
A point of infinite density that contained all of the matter, space, and time of the universe
incorrect
6.
Shift toward longer wavelengths of spectral lines emitted by a celestial object. Caused by object moving away from earth, important piece of evidence for Big Bang Theory

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Created by: Ms.Dixon
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