Absolute dating ppt
Absolute dating ppt · GitBook (Legacy)
Radioactive Decay Radioactive Decay. Some unstable atoms try to regain stability by losing energy. They lose energy by emitting radiation. The student knows that scientific dating methods of fossils and rock sequences are used to construct. My presentations Profile Feedback Log out. Auth with social network: Registration Forgot your password? Process to find the approximate age of rocks or fossils.
A Measure of Time. OK Nuclear Decay You will be learning: What is alpha, beta, and gamma radiation. Know the half-life of a radioactive material.
To make this website work, we log user data and share it with processors. The majority of the lesson focuses on radiometric dating, including an activity where students date their own "rocks and fossils". Powerpoint introduction is attached.
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Each pair of students will receive a baggie with some ratio of one thing to another, for instance, 20 white beans and 30 red beans, or 45 screws and 27 washers. Basic understanding of how radiometric dating works is useful.
The students should know how absolute dating differs from relative dating, and should have some perspective on why absolute dating is important in dating the earth. Demonstrate Understanding of Science Concepts and Principles a.
Presentation on theme: "Radioactive dating."— Presentation transcript:
Know and explain science information specified for their grade level. Use mathematical reasoning to communicate information.
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Begin the lesson with discussing the difference between relative and absolute dating. In my class, we used people age as an example. For instance, the students are relatively younger than I am, but by how much they don't know.http://wordpress-11600-25562-61098.cloudwaysapps.com/warriors-paradise-mysk-warriors-book-1.php
PPT Archeological Dating Methods
Discuss with the students different ways in which scientists can put dates on things, such as tree rings, then begin going through the powerpoint. The idea of radioactive dating can be broken down into a relatively simple concept of half-lives that the students should be able to grasp. In my class, terminology was the most difficult part i. It was easy to get caught up in the nomenclature, even though the things they describe should be familiar.
If you can think of a way to separate the concept of radioactive decay from the terminology to begin with, you may see better results. 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. These will help the students with their activity. The activity is simple.