Slide 1Key Beds, Absolute Dating and FOSSILS- 21.4 Slide 2 Index Fossils Slide 3 Key Beds Definition: Rock or sediment layers that can be traced back to a very specific event…
Slide 1 Slide 2 Slide 3 Click on a lesson name to select. Chapter 14 The History of Life Section 1: Fossil Evidence of Change Section 2: The Origin of Life Slide 4 Click…
Slide 1Ch 7: Plate Tectonics A work in progress … Slide 2 Animation of Continental Drift pangea moving Pangea w/ labels PANGAEA: – Name of a supercontinent. – All continents…
Slide 1 Slide 2 Modified by M. Elizabeth February 2008 Slide 3 Click on a lesson name to select. Chapter 14 The History of Life Section 1: Fossil Evidence of Change Section…
Slide 1 Slide 2 LOJ Feb 2004 Radioactivity 6 Half Life Slide 3 LOJ Feb 2004 Half Life The half-life of a radioactive substance: is the time it takes for the number of parent…
Slide 1Forensic Geology 1.The legal application of earth and soil science 2.Characterization of earthen materials that have been transferred between objects or locations…
Slide 18.3 Radioactive Dating Slide 2 Lesson Objective 4d Today, we will learn that evidence from geologic layers and radioactive dating indicates Earth is approximately…
Slide 1 Slide 2 Warm Up/DO NOW 1. What causes geologic change (changes to the land) on earth? 2. What are the 3 types of plate boundaries? 3. Which plate boundary causes…