8th Grade Science
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2/4 & 2/5

2/3/2013

 
Learning Targets:
1.  Present important information for each era.  
2.  Create a relative dating timeline for teachers.  
Daily Agenda
Digital Presentations
Short Stories
Knowledge Charts
Quiz
Relative Dating Teachers
Picture
What is hard like a rock, is alive, and is among the oldest life forms on earth? Stromatolites, hard, rock-like structures that exist in places few forms of life can tolerate and that have been in existence for some 3.5 billion years! They are created by the accumulation of photosynthesizing cyanobacteria.

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