DoNow: A sample is measured to have a ratio of 1 part daughter isotope and 3 parts parent isotope. How many half-lives have passed? One half-life of the parent isotope is 5730 years. How old is the sample? (video)
AIM: I can describe how to use relative and absolute dating techniques to more clearly determine the age of rock layers and fossils.
Activities:
- Submit 11.10 Radiometric Dating of Rocks Notetaker (weblink) (pdf) p 93; 11.9 Radioactive Decay as a Measure of Age Notetaker (weblink) (pdf) p 92; Radioactive Decay as a Measure of Age Slidehow Notetaker (slideshow) p 91; Half-Life of Licorice Nice Bar Graph Activity p 90
- Tableshare Half-Life of Licorice Worksheet p 90; 11.10 Radiometric Dating Slideshow Notetaker (slideshow) p 94-95
- Dating Rocks and Fossils Activity p 96
- 11.9 Study Guide Age of Earth
Homework:
Complete Dating Rocks and Fossils Activity p 96; Review 11.9 Study Guide Age of Earth
Due: Half-Life of Licorice Worksheet p 90; 11.10 Radiometric Dating Slideshow Notetaker (slideshow) p 94-95
Coming Up:
Dating Rocks and Earth Review
Relative and Absolute Dating Test: 24-25 Jan2017
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