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What Is Earth Science
 

What Is Earth Science

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    What Is Earth Science What Is Earth Science Presentation Transcript

    • Important Terminology Regarding Scientific Inquiry
      • Hypothesis: Possible explanation for how or why things happen. Must be testable.
      • Theory: An explanation for how something works that has been well tested and widely accepted by the scientific community.
    • Experimental Design: Variables
      • Variables: Factors that can change in an experiment.
      • Manipulated Variable (independent variable): factor that scientists change.
      • Responding Variable (dependent variable): factor that may change because of the manipulated variable.
      • Controlled Variable: The variables that scientists keep the same.
      • Experimental Group: The group in an experiment where the manipulated variable is changed.
      • Control Group: The group in an experiment where no variable is changed so it can be used as a standard of comparison.
    • Operational Definition
      • Describes how a particular variable is to be measured.
    • What is Earth Science?
    •  
    • Overview of Earth Science
      • Earth Science is the name for the group of sciences that deals with Earth and its neighbors in space .
    • Geology
      • Means “study of Earth”.
      • Divided into two areas: physical geology and historical geology
    • Physical Geology
      • Includes the study of Earth materials like rocks and minerals.
      • Includes study of processes that shape our planet.
    •  
    • Historical Geology
      • Study of Earth’s history by the establishment of a timeline of the physical and biological changes that have occurred since Earth was formed.
    •  
    • Oceanography
      • Scientific study of the ocean.
      • Includes study of physical ocean, chemical makeup of ocean, ocean life, ocean movement, and geology of seafloor.
    • Meteorology
      • The study of atmospheric processes which allow scientists to predict the weather and climate .
    • Astronomy
      • Study of the Universe .
      • Study the origin, movement, emissions and development of:
          • Galaxies
          • Stars
          • Planets
          • Moons
          • Celestial Objects (comets, meteors etc.)