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What is Earth Science?

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What is Earth Science? Chapter 1, Section 1 Overview of Earth Science Earth science is the name for the group of sciences that deals with Earth and its neighbors in ... – PowerPoint PPT presentation

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Title: What is Earth Science?


1
What is Earth Science?
  • Chapter 1, Section 1

2
Overview of Earth Science
  • Earth science is the name for the group of
    sciences that deals with Earth and its neighbors
    in space
  • Earth science includes many subdivisions of
    geology (both physical and historical) such as
    geochemistry, geophysics, geobiology and
    paleontology, as well as oceanography,
    meteorology, and astronomy
  • Geology the science that examines Earth, its
    form and composition, and the changes it has
    undergone and is undergoing
  • Oceanography the scientific study of the oceans
    and oceanic phenomenon
  • Meteorology the scientific study of the
    atmosphere and atmospheric phenomenon the study
    of weather and climate
  • Astronomy the scientific study of the universe
    it includes the observation and interpretation of
    celestial bodies and phenomenon

3
Concept Check
  • What are the two main areas of geology?
  • Physical Geology and Historical Geology

4
Formation of Earth
  • Earth is one of eight planets and many dwarf
    planets that revolve around the sun
  • The nebular hypothesis suggests that the bodies
    of our solar system evolved from an enormous
    rotating cloud called the solar nebula
  • It was made up mostly of hydrogen and helium,
    with a small percentage of heavier elements
  • The lighter elements were taken away by the
    heavier outer planets (Jupiter, Saturn, Uranus,
    and Neptune), leaving the heavier elements in the
    inner planets (Mercury, Venus, Earth, Mars)
  • Shortly after Earth formed, heat caused the
    interior to partially melt, allowing the heavier
    elements to sink towards the middle, and the
    lighter elements to float towards the surface,
    creating layers

5
Concept Check
  • Why does Earth have layers?
  • Denser elements sank to Earths center and less
    dense elements floated to the surface

6
ASSIGNMENT
  • Create a COMIC POSTER (15 pts)
  • Use page 4 of Text
  • 6 Frames.
  • 6 captions.
  • 6 COLOR drawings that illustrate each phase of
    Nebular Hypothesis
  • DUE TURN-IN End of Period.
  • 2.5 pts Captions
  • 10 pts Illustrationsuse color!!!
  • 2.5 pts Effort

7
Formation of the Solar System
8
Assignment
  • Read Chapter 1, Section 1 (pg. 2-5)
  • Do Section 1.1 Assessment 1-7 Connecting
    Concepts (pg. 5)
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