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PPT
Other

Western Oregon University: Earth System Science: Geologic Time [Pdf]

For Students 9th - 10th
An 81-page slideshow that looks at the principles of geology with respect to relative dating, at different concepts describing geological processes, at absolute age and radiometric dating, at the eons and eras in the geologic time scale,...
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Website
Other

Unconformities

For Students 9th - 10th
This resource provides information about unconformities.
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Handout
Australian Museum

Australian Museum: Sedimentary Processes

For Students 9th - 10th
Everything you need to know about sedimentary rocks and the processes by which they are created, including weathering, soils, environments, and classification.
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Unit Plan
CK-12 Foundation

Ck 12: Fourth Grade Science: Earth Science: Relative Ages of Rocks

For Students 4th - 5th
[Free Registration/Login may be required to access all resource tools.] Looks at how stratigraphy can be used to determine the relative ages of rocks, how unconformities occur, ways to match rock layers in different areas, and how...