Rock record

Rock Record created by TeachPower.net This lesson is a preview of a full complete lesson and contains animation, sounds, video, and pictures that SlideShare.net does not show. To preview this lesson as it was originally intended please go to http://teachpower.net , click on the Lesson PowerPoints tab at the top, and scroll down until you see the name of this lesson in the appropriate category.

How Are Organisms Preserved? ,[object Object],[object Object],[object Object],[object Object],[object Object]

Alternative Ways to Form Fossils ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Fossils Help Date Rocks ,[object Object],590 – 250 million years 500 –335 million years ~ 250 million years old ~ 335 million years old

Rock’s Absolute Age ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Geologic Time Scale ,[object Object]

Trip Thru Geologic Time ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],CENOZOIC ERA MESOZOIC ERA PALEOZOIC ERA

Rock record

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Rock record