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Science 10 29th Feb

Science 10 Lesson Outline                            Date: Feb 29th

 

Last lessons Objectives

 

Final for Chemistry

 

Evaluations

 

Today’s Objective Geological Time and Half life

7.2 In text

 

 
Topic

Number One

So if the history of the earth was a meter stick, when did the earth begin and when did humans show up?

 

Geologists use radiometric dating to estimate how long ago rocks formed, and to infer the ages of fossils contained within those rocks. The universe is full of naturally occurring radioactive elements. Radioactive atoms are inherently unstable; over time, radioactive “parent atoms” decay into stable “daughter atoms.”

 

7.2 In our text.

 

Geological Time Scale

http://www.ucmp.berkeley.edu/help/timeform.php

 

Wiki on Geological Time

https://en.wikipedia.org/wiki/Geologic_time_scale

 

 

 
Topic

Number Two

https://portal.sd22.bc.ca/class/4uyrqzj/_layouts/15/WopiFrame.aspx?sourcedoc=/class/4uyrqzj/Documents/7.2%20HALF-LIFE.ppt&action=default

 

 
Topic

Number Three

Resources

Wiki

https://en.wikipedia.org/wiki/Half-life

Study.com

http://study.com/academy/lesson/half-life-calculating-radioactive-decay-and-interpreting-decay-graphs.html

Youtube Explaination

https://www.youtube.com/watch?v=opjJ-3Tkfyg

 

Bozeman

https://www.youtube.com/watch?v=HRwey6cwGHo

 

Most radioactive places on earth

https://www.youtube.com/watch?v=8tL4sjHQSTk

 

 

 

 

 

Take Home Message Cool story about a clock that will run for 10000 years!

http://www.wired.com/2011/06/10000-year-clock/

 

Steward Brand and the long now clock

https://www.ted.com/talks/stewart_brand_on_the_long_now?language=en

 

The longnow organization

http://longnow.org/store/clock-long-now-time-and-responsibility-stewart-brand/

 

 

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posted by Marc Bernard Carmichael in Science 10,Science Ten Lessons and have No Comments

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