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Earth Systems 3209

Earth Systems 3209. Reference: Chapters 1, 17 and Appendix A & B. Unit: 1 Introduction to Earth Science – The Evolution of Planet Earth. Unit 1: Topic 2.1. Formation of the Universe. Focus on . . . Recognize differing ideas regarding the origin of the universe: ex. Creationism

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Earth Systems 3209

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  1. Earth Systems 3209 Reference: Chapters 1, 17 and Appendix A & B Unit: 1 Introduction to Earth Science –The Evolution of Planet Earth

  2. Unit 1: Topic 2.1 Formation of the Universe Focus on . . . • Recognize differing ideas regarding the origin of the universe: ex. Creationism • Describe the origin of the universe as described by the Big Bang Theory

  3. Origin of the Universe Throughout history many ideas about the origin of the universe was hypothesized. These ideas range from; • Creationism - where some supreme being (God) created the universe, to more scientific views such as The Big Bang Theory. • Regardless, early ideas (paradigms) changed with time as new evidence was discovered to change initial models and theories of the universe.

  4. Raisin Bun Analogy Big Bang Theory: This theory explains the origin of theuniverseand suggests that the universe, our solar system included, is part of an expanding system where all galaxies are moving farther away with each passing day.

  5. Big Bang Theory in a Nutshell . . . • universe was confined to a dense, hot, super massive ball of gases • 20 billion years ago, an explosion hurled this material in all directions • marked the origin of all matter and space

  6. Big Bang Theory in a Nutshell . . . (Con’t) • gases cooled and condensed forming stellar (stars) systems that we call galaxies • 20 billion years in the future, the expansion will stop and gravitational attraction would follow where stellar material will collide to form a new hot, dense fire ball and the process starts again

  7. Example 1: According to modern theory, approximately how many years ago did the Big Bang occur? (A) 5 billion (B) 20 billion (C) 250 million (D) 600 million

  8. Example 2: Which theory used by scientist explains the origin of the universe? big bang solar nebula plate Tectonics uniformitarianism

  9. Your Turn . . . Take the time and complete the following questions . . .(Solutions to follow) Questions: Which is a non-scientific belief of how the universe formed? (A) big bang theory (B) creationism (C) solar nebula hypothesis (D) uniformitarianism

  10. Solutions . . . Questions: Which is a non-scientific belief of how the universe formed? big bang theory (B) creationism (C) solar nebula hypothesis (D) uniformitarianism

  11. Summary . . . Overview of Points covered:

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