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 name2) 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 3) I have been in the water with
Great White Sharks
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
What is a scale? A proportion used to determine the
relationship of a representation of a time frame.
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.
How old is the Earth? 4.6 billion years old.
Instructions for Timeline Sheet
Complete Steps 3 and 5 on the instruction sheet.
What are Eons and Eras? Divisions of time, separated
by catastrophic or major events in history.
Timeline Instructions Measure, mark and Color Eons and Eras
first
PRE-ARCHEAN
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
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.
Homework= Get supplies for class by Monday, get syllabus signed, summarize your notes, finish most of the timeline
What was Pangaea? The supercontinent that all continents
originated from.
What is Plate Tectonics? The study of how plates (divisions of the
crust) float or move on top of the mantle.
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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