Chapter 2 process skills
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Chapter 2 process skills

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Chapter 2 process skills Chapter 2 process skills Presentation Transcript

  • Process Skills
    SCED 570, Fall 2010 by Dr. Song
    Chap2.
  • Classification
    Process of grouping
    Binary classification: Sorting objects into 2 groups based on a particular property
    Multistage classification
    Serial classification: sorting objects in a logical order on the basis of the extent or degree to which they demonstrate a common attribute
    Dichotomous key: a tool that scientists can use to help identify a particular specimen
  • Serial classification
  • Serial classification
  • Measurement
    Quantify variables using a variety of instruments and nonstandard/standard units
    Nonstandard units: it is difficult to consistently compare objects that cannot be held side by side
    Standard units: enable consistent descriptions and comparisons of measured objects that are not side by side and cannot be directly compared
  • Communication
    Convey information from one part to another
    Record data in multiple ways and present them to others
  • Inference
    Interpretation of observation
    Draw a tentative conclusion about objects, organism, or events base on observation and prior knowledge
  • Inference
    • You will find a line drawing of fossil tracks found in a layer of sandstone in Colorado. Your task is to make observations and inferences for each part.
  • Prediction
    Statements of future observation
    Make a forecast of a possible outcome of an investigation based on known patters in data
    Interpolation: between available data points p.39
    Extrapolation: outside the collected data points p.40
  • Prediction: Sunspot activity