Session Date
Lesson Topic
Dating Rocks
Lesson Outline
Review relative dating of rocks. Do absolute dating worksheets p. 183-185. Discuss 3 types of radioactive isotopes used in absolute dating: Carbon-14, Potassium-40, and Uranium-238. Compare and contrast the half-lives and applications of these three isotopes. Understand why igneous rocks cannot be Carbon-14 dated. Understand why sedimentary rocks cannot be directly absolutely dated. Identify how sedimentary rocks (and the fossils they contain) can be indirectly absolutely dated.

-PhET absolute dating simulation
Assignment
QUIZ MONDAY on DATING ROCKS: study quizlet vocab AND all worksheets we have done on relative and absolute dating.
Session Minutes
135
Minutes Student Attended
135
Lesson Comments
Rowan did very well before lunch. After lunch he did okay but had some trouble focusing on the lesson. He was interested in drawing in his notepad, but did put it aside when asked, and tried to focus.
Session Hours
2.25
Hours Attended
2.25
Entry Status
Review Status
Student Name(s)
Subject