1. Big HistoryTheme One By: Wendy deKorne History 140 Sources: Documentary The Day the Universe Changed – by James Burke National Geographic: Spencer Wells National Geographic: Explorers – Spencer Wells National Geographic: The Geographic Project Princeton University Press: Interview with Spencer Wells Film Catastrophe Film: Guns, Germs, and Steel Wikipedia site: Funs, Germs, and Steel The World in 1492 & Columbus’s World The European Voyages and How the World changes

2. Theme OneThe Day The Universe Changed All cultures have certain things in common React due to the knowledge they have and as their knowledge grows, their reactions change Want to defend their knowledge, or what they believe to be true All cultures have a set of customs, rules, or laws to keep them from chaos

3. The Day The Universe changed Curiosity brought progress 1400’s – Printing press made maps and books possible Plough made more food available Steel made better weapons Thales brought geometry from Egypt to Greece

4. The Journey of Man Our DNA maps out our ancestral migration by using the male Y chromosome Mutations can be traced, called markers Spencer Wells found everyone’s DNA links back to one man in Africa (60,000 years ago) Man belonged to tribe (Bushmen), which traveled across the Bering Straight to North America during the Ice Age

5. Journey of Man:Races Everyone is related and comes from the same geographic location originally Adaptation took place to make changes in skin color Skin color change due to geographic location (More sun = darker skin / Cloudier environment = lighter skin

6. Catastrophe 1500 years ago, Volcano exploded Caused cloud cover worldwide Climate turned cold, drought, famine, disease, and death Tree rings tell history of climate

7. Catastrophe Scientists were not convinced that a volcanic eruption caused this destruction. There hypotheses included astroid, comet, or volcano Scientists found sulphuric acid in ice caps, which proves a volcanic eruption occurred Documentation can be found describing the eruption in the Book of Kings by Ronlonsetta Krakatoa erupted again in 1883, killing 36,000 people and is considered the most deadly volcano

11. Spices were extremely important, but had to be imported from the Orient, which was heavily guarded by Muslims

12. China grew to be richest, most powerful empire in the world by middle ages, making it very attractive to traders