2. Opening Activity What could the puzzle be? Explain your answer Jan 14

3. Today’s Date Opening Activity Work Today’s Picture(s) Exit Slip Today’s Note(s) 2 2 5 5 3 3 4 4 1 YESTERDAY’S ACTIVITY

4. 4 min

5. Yesterday’s Activity Reading Articles Let’s talk about it!

6. 10 min Activity Reading Article Let’s talk about it! 10 min

7. What evidence is there? 1.Red shift due to the Doppler effect shows all stars/galaxies are moving away from the earth

8. Cosmic Background Radiation 2. The Big Bang claims there should have been a large release of energy after the cosmic inflation period. This happened when the universe stabilized.

9. Cosmic Background Radiation (2) In the 1960’s, scientists at Bell Labs discovered trace amounts of microwave radiation coming from all points in the sky toward earth. This radiation matches the radiation earlier predicted by the big bang

10. WMAP

11. Composition of the Universe http://www.pbslearningmedia.org/resource/ess05.sci.ess.eiu.microwave/evidence-for-the-big-bang-theory/ http://www.pbslearningmedia.org/resource/ess05.sci.ess.eiu.microwave/evidence-for-the-big-bang-theory/ 3.Calculations surrounding the big bang predicted that the universe should be composed of roughly 75% Hydrogen and 25% Helium (and a tiny, tiny bit of Lithium) This matches the composition of the oldest stars in the universe, formed shortly after the Big Bang.

12. Exit Slip List three pieces of evidence that scientists use to support the Big Bang Theory.