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Who's to say that the rocks a particular scientist is studying have not been displaced from their original positions?
In addition to the "relative" uncertainty that the geological features of an area have retained their historical integrity, there is another problem associated with relative dating.
Now that you have discovered the method that scientists originally used to date geological features, you may be questioning the accuracy of this dating method.
After all, it is possible that rock layers can be disturbed, overturned, and altered in both natural and unnatural ways.
Wiele z tych kobiet to zdesperowane samotne mamuśki i zdradzające żony pragnące nieco zabawy. Czy zgadzasz się zachować tożsamość tych kobiet w tajemnicy?
Learn about different types of radiometric dating, such as carbon dating.
Play a game that tests your ability to match the percentage of the dating element that remains to the age of the object.
Activity 8 is taken from Investigating Earth: A Geology Laboratory Text (1997) by Wiswall and Fletcher.
Read the pages listed below, which are available online through Library Reserves.
In Assignment 3, we began exploring the age of the Earth. Through presentation and discussion of individual ideas, the class reached agreements as to the best way to complete each of the prompts.
You worked in small groups and as a class to complete the "If Scientists Think. Today's assignment will allow you to compare and contrast your ideas to some of the actual methods scientists used to develop an estimation of the age of the Earth.
This activity was selected for the On the Cutting Edge Reviewed Teaching Collection This activity has received positive reviews in a peer review process involving five review categories.