1.Lesson OverviewEarth’s Early HistoryLesson Overview 19.3 Earth’s Early History2. Lesson OverviewEarth’s Early HistoryTHINK ABOUT IT How did life on Earth begin? What…

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Slide 1 Lesson Overview Lesson Overview Earth’s Early History Chapter 19 – History of Life Slide 2 Lesson Overview Lesson Overview Earth’s Early History 19.1 The Fossil…

Slide 1 Earth's Early History Slide 2 Formation of Earth Evidence shows Earth was not “born” in a single event. Pieces of cosmic debris were attracted to one another…

Slide 1 Chapter 17 Section 2 Earth’s Early History Objectives: -Describe how conditions on early Earth were different from conditions today -Explain what Miller and Urey’s…