1. Thursday, December 1st, 2011 Bell Ringer: Pull out your Geologic Time Scale and Football Field. Then, sit back, and prepare for a full 25 minutes of Earth’s History! Today’s Learning Goal: The story of earth’s history Review Geologic Time Today’s Agenda: Earth’s History Review for Exam

3. 4.6 Billion Years Ago

4. 4.51 Billion Years Ago

5. About 4.0 Billion Years Ago

6. 3.8 Billion Years Ago

8. When: Cambrian Period: 542 MYA What: A sudden diversification and rapid evolution of life. Why is it important: A major point in history that has implications for the evolution of life.

9. Permian Extinction First Reptile First Land Animal First Land Plant

10. Permian Extinction: “The Great Dying” When: At the end of the Permian Period – 250 Million Years Ago Why: The largest mass extinction in Earth’s History! Over 95% of all species extinct, especially in marine environments. What caused it: The cause is still unknown. Major volcanic eruptions worldwide, contaminating oceans with toxic chemicals

11. K-T Extinction (aka, extinction of the Dinos) First Flowering Plants First Bird Early Dinosaurs & Small Mammals

12. K-T Extinction: “Extinction of the Dinosaurs” When: At the end of the Cretaceous Period – 65 Million Years Ago Why: Most famous mass extinction: extinction of the dinosaurs. What caused it: Giant Meteor: Yucatan Peninsula Crater Shocked Quartz K-T Clay layer.

14. Modern Humans… You! First Hominids First Grass!!!! ****

15. How about the Willamette Valley?! http://www.youtube.com/watch?v=jg1Qo7N2m-k

18. Question for thought: Will this story of the history of the earth stay this way?Tomorrow: Geologic Time Exam! (30 points) Geologic Time Exam! (30 points) Pre-Assessment KWL (3 points) Pre-Assessment KWL (3 points) 10 Multiple Choice (10 points) 10 Multiple Choice (10 points) 3 Performance Questions (12 points) 3 Performance Questions (12 points) 2 Short Answer Questions (5 points) 2 Short Answer Questions (5 points)