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Wednesday, November 19, 2008

Radioactive Decay


Today in class we discussed:
- Radioactive elements
- Use of radioactive elements in determining the absolute age of rocks
- What is a half-life?
- The role of Potassium 40 and Carbon 14 in dating rocks and fossils.

Worked on Radiometric Dating Activity

Homework due Wednesday/Thursday
Finish lab and study for quiz on geologic time

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