1. Particle Physics Through Cosmology Katrina Brown, Todd Brown, Ted Zaleskiewicz University of Pittsburgh at Greensburg Bob Reiland Shadyside Academy Cherie Harper Greensburg-Salem High School

2. The History and Fate of the Universe cpepweb.org

3. Universe Adventure Lawrence Berkeley National Laboratory Physics Division www.universeadventure.org

4. Quark-gluon plasma 10 -12 s after Big Bang, a soup of quarks, gluons, and leptons. Matter-Antimatter pair production and annihilation.

5. Quarks Come Together: 10 -4 Seconds After the Big Bang Eventually cools enough for composite particles to form from quarks.

6. Continuing Expansion… Atomic nuclei form 10 2 seconds after the Big Bang (electromagnetic vs strong interactions). Atoms form 4x10 5 yrs after the Big Bang.

7. Dark Matter Neutral atoms formed - the photons, no longer scattered by free electrons, decoupled. These photons have been redshifted and are the 3K CMB radiation now observed. Dark matter seeding

8. History and Fate of the Universe An expanding universe Speed up, slow down or reverse? Depends on the amount of matter and energy. Accelerating! Dark energy