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Big Bang Theory Review

Authored by Bailey Bergman

Science

9th - 12th Grade

Used 9+ times

Big Bang Theory Review
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21 questions

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1.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

What can the spectrum of a star tell us?

Age of the star
Star's chemical composition
Star's elements
Star's chemical composition & elements

2.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

As a light source (star) is moving away from the observer, the light becomes __________

Greener
Yellower
Redder
Bluer

3.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

What law states that the galaxies are retreated from the Milky Way at a speed that's proportional to their distance?

Hubble's Law
Newton's 1st Law
Einstein's Theory of Relativity
Kepler's 2nd Law

4.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

What have astronomer's concluded based on the observed red shifts in the spectral lines of distant galaxies?

Universe is getting smaller
Universe is expanding
Universe size isn't changing

5.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

How old is our universe according to the Big Bang Theory?

We don't know
15 billion years
13.7 billion years
11 billion years

6.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

Cosmic background radiation is remnants of the _______.

big bang

solar flare

supernova

none of the above

7.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

Our universe is made of ________ hydrogen

25%

35%

74%

82%

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