Slide 1How do we determine geologic age? 1.Uniformitarianism = the processes that shape Earth have not changed. Slide 2 Relative Age 2. Law of Superposition = rocks at bottom…
Slide 1Natures Clock Slide 2 When sedimentary rock is deposited in layers it is deposited horizontally. Scientists use this Principle of Original Horizontality to help them…
Slide 1 Slide 2 Teacher: Mr. Carl Slide 3 Objective At the end of this lesson, you will be able to: Explain how rocks and fossils are used to understand the age and geological…
Slide 1WHAT’S IN THE ROCKS! Slide 2 Bell Ringer 9-22-14 If you were to put the following events in to a time sequence of first to last, how would you do it? What else would…
Slide 1 Slide 2 Section 1 Determining Relative Age Chapter 8 Objectives State the principle of uniformitarianism. Explain how the law of superposition can be used to determine…
Slide 1 Chapter 8 Section 1 Page 190 #’s 1-6 Determining Relative Age Slide 2 1. Explain why it is important for scientists to be able to determine the relative age of…
Slide 1 Module 9 Evolution Slide 2 Abiogenesis Life first arose from non-living material in a “primordial soup” Experimentally tested by Miller and Urey Also called SPONTANEOUS…
Slide 1 Quick-write What is a fossil? Slide 2 Fossils Fossils are remains, or evidence, of living organisms that have been preserved over millions of years. Slide 3 Rock…