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