Relative dating of geological features iinternet dating 252 txt 252
Take students on a neighborhood walk and see what you can observe about age dates around you.
Relative age dating also means paying attention to crosscutting relationships.
There are two basic approaches: relative age dating, and absolute age dating.
Here is an easy-to understand analogy for your students: relative age dating is like saying that your grandfather is older than you.
With absolute age dating, you get a real age in actual years.
It’s based either on fossils which are recognized to represent a particular interval of time, or on radioactive decay of specific isotopes. Based on the Rule of Superposition, certain organisms clearly lived before others, during certain geologic times.