Determining the Age of Rocks
Plate Tectonic Theory Evidence TEK 8.9A. Main Concept TEK 8.9A - Describe the historical development of evidence that supports plate tectonic theory.
UNIT IV Chapter 12 The History Of Life. UNIT 4: EVOLUTION Chapter 12: The History of Life I. The Fossil Record (12.1) A. Fossils can form in several ways.
Geologists have developed a set of principles to compare the age of rock layers.
Begin Earth’s Past 3/28/12 What do you know about Fossils?
Chapter 8. itarianism A principle that geologic processes that occurred in the past can be explained by current geologic processes. Volcanism and.
A View of Earth’s Past
Catalyst #8 Pg. 29 Justify your answer in complete sentences
12.2 The Geologic Time Scale KEY CONCEPT The geologic time scale divides Earth’s history based on major past events.
Quick-write What is a fossil?. Fossils Fossils are remains, or evidence, of living organisms that have been preserved over millions of years.