Earth Science

1
Earth Science

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

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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

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Definition

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

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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

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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

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Meteorology

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

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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

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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

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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

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In Class Assignment/Homework

• Review Section 1.1
• Read Section 1.2 for tomorrows class

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Tomorrow in Class.

• Section 1.2 Scientific Method
• Read over Section 1.2