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Friday, April 29th, 2016

posted Apr 28, 2016, 11:38 AM by Mary Bozenmayer   [ updated Apr 29, 2016, 3:48 AM ]
Do Now: Do you think this image is a useful tool when studying the history of the Earth? What is good/bad about it? 
Take out your four-section Era calculations from yesterday. 
Today's Goals:                  
How can we use a MODEL to help us understand the scale of time since Earth began? Scale of Earth activity [Earth Science Slides]