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Following this introduction, there are several links to different sites concerning the methods scientists use to assist them in estimating the age of the Earth.

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among the methods are: Tree ring dating- based on annual growth rings produced by trees.

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.

lubenow, bones of contention (grand rapids, mi: baker books, 1993), pp., preconceived notions about human evolution could not cope with a skull like 1470 being “that old.

geologist in the 1800s worked out 7 basic principles of stratigraphy that allowed them, and now us, to work out the relative ages of rocks., by measuring the amount of 40k and 40ar now present in the.


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