do now 8/18/11 – page 1
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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 - PowerPoint PPT PresentationTRANSCRIPT
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Do Now 8/18/11 – Page 1 On the notecard in front of you,
please write the following:1) Your name2) two things that are true about you
3) one thing that is a lie
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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
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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
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What is a scale? A proportion used to determine the
relationship of a representation of a time frame.
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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.
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How old is the Earth? 4.6 billion years old.
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Instructions for Timeline Sheet
Complete Steps 3 and 5 on the instruction sheet.
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What are Eons and Eras? Divisions of time, separated
by catastrophic or major events in history.
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Timeline Instructions Measure, mark and Color Eons and Eras
first
PRE-ARCHEAN
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Finishing Timelines
beginning of
the Earth
4.6 Billion
years ago
The first signs of life 3.8 BYAFirst plants (algae) 3.2 billion years
ago
First fish 51 MYA
Add Events with a STAR and DRAW /PASTE a picture of them
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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.
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Homework= Get supplies for class by Monday, get syllabus signed, summarize your notes, finish most of the timeline
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What was Pangaea? The supercontinent that all continents
originated from.
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What is Plate Tectonics? The study of how plates (divisions of the
crust) float or move on top of the mantle.
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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