Use mathematical reasoning to communicate information. The site provides background information about stratigraphic principles and relative time, biostratigraphy using fossils for relative dating , and radiometric dating. Can you date a fossil with a rock? Includes tables of common radioactive parent isotopes and their stable daughter products, and half lives of common radioactive isotopes. Can this process even date findings from different continents? Powerpoint introduction Powerpoint introduction is attached. In my class, terminology was the most difficult part i. Intended Learning Outcomes 3. Next restart the video and pause this time at 3: Offers scientific explanations of isochron radiometric dating some technical , equations, graphs, descriptions of methods, discussions of potential problems and methods scientists take to ensure reproducible results and avoid sample contamination. Now restart the video and pause this time at 2: Finally, have your students share their drawings with the entire class. Activity Two Inform your students they are going to draw a picture of an index fossil. These will help the students with their activity.
Links to various activities and lesson plans concerning relative and absolute dating. Intended Learning Outcomes 3. In our class the students had just enough time to do one sample, but depending on your time frame you may have students switch samples to do more than one. National Museum Smithsonian Institution. According to the second video lesson, three of the favorite index fossils utilized by scientists are trilobites, ammonites, and scallop shells. Who's on First , University of California, Berkeley. It was easy to get caught up in the nomenclature, even though the things they describe should be familiar. Offers history of age dating, stratigraphic principles, rock correlation, fossil correlations, radiometric dating, and the geologic time scale. The activity is simple. Use mathematical reasoning to communicate information. What are some good index fossils? This online version of their informative booklet contains short, content explanations about relative time, major geologic time divisions, index fossils for use in age dating, radiometric dating and the age of the earth. Extension Three common types of rocks are igneous, metamorphic, and sedimentary. Instructional Procedures Begin the lesson with discussing the difference between relative and absolute dating. Divide your class up into five small groups. Now restart the video and pause this time at 2: Next restart the video and pause this time at 3: Once you get through the concepts of radiometric dating, there are a few practice problems in the powerpoint you should go through as a class. Write a three-page paper comparing and contrasting these three types of rocks. Chris Stassen, Talk Origins Archive. These will help the students with their activity. Provides brief overview of 1 relative dating and stratigraphic methods, 2 absolute dating and radiometric dating, including a table with parent to daughter isotopes and half lives of those isotopes commonly used in radiometric dating, 3 paleomagnetics and 4 geologic time. The site provides background information about stratigraphic principles and relative time, biostratigraphy using fossils for relative dating , and radiometric dating. Activity Two Inform your students they are going to draw a picture of an index fossil. Present various factoids of information about each principle and challenge the students to see if they can match up the data with the correct picture.
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