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Do Now 8/18/11 – Page 1

Do Now 8/18/11 – Page 1. On the notecard in front of you, please write the following: 1) Your name 2) two things that are true about you 3) one thing that is a lie. Example of 2 truths and a lie. 1) I have skinned a coyote 2) I have eaten antelope

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Do Now 8/18/11 – Page 1

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  1. Do Now 8/18/11 – Page 1 • On the notecard in front of you, please write the following: • 1) Your name • 2) two things that are true about you • 3) one thing that is a lie

  2. Example of 2 truths and a lie • 1) I have skinned a coyote • 2) I have eaten antelope • 3) I have been in the water with Great White Sharks

  3. Agenda • Do Now (5 minutes) Page 1 • Go over syllabus (15 minutes) • Geologic Timeline background and instruction notes – CORNELL STYLE! (15 minutes) • Work time on Timelines (60 minutes) • Clean up, discuss geologic timeline project challenges and 2 truths and a lie (10 minutes) • Homework= Get supplies for class by Monday, get syllabus signed, summarize your notes, finish most of the timeline

  4. What is a scale? • A proportion used to determine the relationship of a representation of a time frame.

  5. How do you calculate how old the earth is, using your scale? • 10 cm = 100 million years • Measure the paper • Convert from meters to centimeters • Use a proportion to figure out how old the earth is.

  6. How old is the Earth? • 4.6 billion years old.

  7. Instructions for Timeline Sheet • Complete Steps 3 and 5 on the instruction sheet.

  8. What are Eons and Eras? • Divisions of time, separated by catastrophic or major events in history.

  9. Timeline Instructions • Measure, mark and Color Eons and Eras first PRE-ARCHEAN

  10. Finishing Timelines Add Events with a STAR and DRAW /PASTE a picture of them First fish 51 MYA beginning of the Earth 4.6 Billion years ago First plants (algae) 3.2 billion years ago The first signs of life 3.8 BYA

  11. Group members • Group member 1: task master – keeping the group on task, overall organization • Group member 2: Marking eons and eras and coloring, then jumping in with #3 when finished • Group member 3: Marking events and beginning to draw pictures for the starred events.

  12. Homework= Get supplies for class by Monday, get syllabus signed, summarize your notes, finish most of the timeline

  13. What was Pangaea? • The supercontinent that all continents originated from.

  14. What is Plate Tectonics? • The study of how plates (divisions of the crust) float or move on top of the mantle.

  15. What is continental drift? • The theory that the continents drifted apart from one continent (Pangaea). http://www.sciencelearn.org.nz/Contexts/Icy-Ecosystems/Sci-Media/Animations-and-Interactives/Continental-drift

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