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Earth Science

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Earth Science 1.1 What is Earth Science? Pages 1-8 What is Earth Science? Dating back to pre-historic times, people have observed the world around them and wondered ... – PowerPoint PPT presentation

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Title: Earth Science


1
Earth Science
  • 1.1
  • What is Earth Science?
  • Pages 1-8

2
What is Earth Science?
  • Dating back to pre-historic times, people have
    observed the world around them and wondered
  • Myths and legends were created to explain the
    unknown

3
Timeline of study
  • 780 B.C. Ancient Chinese began keeping records
    of earthquakes
  • 3rd Century B.C. Greeks created a catalogue of
    rocks and minerals
  • Early Centuries A.D. Mayans tracked the
    movement of the sun
  • 17th Century A.D. Microscope Telescope
    invented to aid observations

4
Definition
  • Earth Science the study of the earth and the
    universe around it
  • Branches
  • Geology
  • Oceanography
  • Meteorology
  • Astronomy

5
Geology
  • The study of the origins, history and structure
    of the solid earth and the processes that shape
    it
  • Broad field
  • Earths crust for coal, oil, gas, and other
    resources
  • Earthquakes Volcanoes
  • Fossils

6
Oceanography
  • The study of the earths oceans
  • Nearly 75 of the earths surface is ocean
  • Study waves, tides, ocean currents
  • Ocean floor for history of earth
  • Marine life

7
Meteorology
  • The study of the earths atmosphere
  • Use satellites, radar, and other modern
    technology
  • Study variations in atmospheric conditions
  • Weather forecasts

8
Astronomy
  • The study of the universe beyond the earth
  • Not to be confused with Astrology
  • One of the oldest branches of earth science
  • Position of stars and planets

9
Why study Earth Science
  • Better understanding of natural forces can
    provide better forecasts to prevent disasters and
    save lives
  • Increased knowledge of the world around us
  • Clues to past environments of the earth
  • Valuable resources found in the earth to support
    daily life fossil fuels

10
Other reasons to study Earth Science?
  • Pair up into groups of 3 and work together to
    form a list of other reasons it is important to
    study the earth
  • Write out your lists (turn into the folder before
    end of class)
  • We will share our lists with the class in 10
    minutes

11
In Class Assignment/Homework
  • Review Section 1.1
  • Read Section 1.2 for tomorrows class

12
Tomorrow in Class.
  • Section 1.2 Scientific Method
  • Read over Section 1.2
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