The Big Bang Theory - PowerPoint PPT Presentation

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The Big Bang Theory

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The Big Bang Theory Introduction video The Big Bang Theory The Big Bang Theory explains how the universe began. All the matter in the universe expanded from a small ... – PowerPoint PPT presentation

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Title: The Big Bang Theory


1
The Big Bang Theory
2
Introduction
  • video

3
The Big Bang Theory
  • The Big Bang Theory explains how the universe
    began.
  • All the matter in the universe expanded from a
    small, dense point.
  • The universe continues to expand.

4
Evidence for an expanding universe
  • Balloon demo

5
B 1-2 B 2-3 B 3-1 A 1-2 A 2-3 A 3-1






6
Evidence for expansion
  • Red shift demo

7
Red Shift
  • The red shift of the galaxies tells us that the
    universe is expanding.
  • In the red shift wavelengths become longer.
  • A galaxy that is moving away from the earth
    will show a red shift in the spectrum.

8
Red Shift
  • Video

9
Evidence for expansion
  • Raisin Bread example
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