8th Grade Science
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8/30 Flippin Friday

8/29/2013

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GQ....
1.  Take a look at the picture on the right.  This is an actual road cut.  What do you think this represents? 
2.  If we found a fossil that contained 50 atoms of C-14 (parent) and 25 atoms of N-14 (daughter) and we know that Carbon has a half life of 5,700 years.  How many half lives has it gone through?  How old is this fossil?
 
Agenda
GQ
Paperium
Radioactive Decay

 Learning Targets
Investigate isotope decay in order to understand radioactive decay.
Picture
Picture
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8/28 & 8/29

8/27/2013

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GQ.....
Look at the picture.  It is a cross section from the Grand Canyon.  Can you tell me what the darker stripe is?  Is it older or younger than the other rock?  Why?  
Agenda
Finish Who's on 1st 
Paperium
Radioactive Decay
1.  Apply the rules of relative dating to determine an estimated age of rock strata. 
2.  Investigate isotope decay in order to understand radioactive decay.  
Picture
Picture
Picture
radiometric dating
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8/26 & 8/27

8/25/2013

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GQ....
Using the law of superposition and cross-cutting relationships, place these rock strata in order from oldest to youngest.  
Agenda
GQ
Relative Dating
Who's ON First
1.  I will use the principles of relative dating to identify the relative age of rock strata.

Picture
relative dating video
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8/22 & 8/23

8/21/2013

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Agenda
Finish Era Project
Relative Dating Activity
Quiz
Targets
1.  Present my Era on the geologic Time clock.
2.  Investigate the principles and laws used in relative dating rock strata. 
Tree of Life
Principles of Geologic Succession
Picture
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8/18 & 8/19

8/18/2013

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GQ.....
1.  List 2 things you learned about your Era. 
2.  How long did your Era last?  Write this amount in scientific notation.  



Agenda
Scientific notation
Time Clock: Era Project


Learning Targets
1.  Mathematically calculate with scientific notation.
2.  Research and present information 
Picture
Picture
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8/16 Flipping Friday

8/15/2013

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GQ......
1.  How do we determine when an era begins/ends?
2.  Which is bigger an Eon or an Era?
3.  In which Era do we live? 
4.  Which Era is known as "Old Life"?  What types of animals dominated this Era?


Daily Agenda
Math in Science
Scientific Notation
Clock of Eras
Learning Targets
1.  Construct a scientific explanation how  the  geologic time scale is used to organize the Earth's history. 
2.  
Investigate the history of the Earth through fossil and rock strata. 
Picture
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8/14 & 8/15

8/13/2013

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No GQ....
Get out your drawing and determine where it will go on our Timeline in the room.  Do not post it until after I have checked it off that you have it for homework.  Once I have checked it, grab some tape and hang it up.
 

Daily Agenda
Time Map
Era Research
Group Timeline
Learning Targets
1.  Construct a scientific explanation how the
geologic time scale is used to organize the Earth's history. 
2. 
Investigate the history of the Earth through fossil and rock strata.
Picture
Baby Earth! Hadeon Era in PreCambrian Eon
Picture
Toddler Earth! Archaean Era in the PreCambrian Eon
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8-12 & 8-13 History of Earth

8/11/2013

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GQ..........
In your notebook number your pages to at least 100.  
On page 2, answer this question:
1.  How old is the Earth?  
2.  How do we know how old it is?  List 3 pieces of evidence.  

Agenda
DQ
PreAssessment
Major Event Assignment 
Timeline
Research

Learning Targets
1.  Construct a scientific explanation how the geologic time scale is used to organize the Earth's history.  
2.  Investigate the history of the Earth through fossil and rock strata.  


Picture
Geologic Time Animation
Geologic Time Music Video
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