Background Information

Activities

General Outline

  1. Lab safety and course outline/rules
  2. Introduce the process of experimental science
    1. Illustrate the significance of multiple lines of evidence
    2. Emphasize the importance of controlled experiments (Process of Science)
    3. A hypothesis is NOT an educated guess!
  3. Introduce categorization/classification and precision of domain specific vocabulary
  4. Microscopy
    1. Why do we need tools?
    2. Parts of microscope
    3. Magnification (and calculations) (Quantitative Reasoning)
    4. Field of View (and calculations) (Quantitative Reasoning)
      1. Visualize ruler
      2. Visualize and draw letter “e”
    5. Depth of Field
      1. Look at the threads
      2. Change magnification of threads
    6. Examine cells and inquire about obvious features
      1. Invite students to draw cells from pond water or individual prepared slides
      2. Prepare wet mount
      3. Cheek swab is most informative and crucial for the students

Curricular Notes

This unit covers the NSF Vision & Change Core Competencies:

  1. Quantitative Reasoning: calculating magnification and field of view
  2. Process of Science: controlled experiments
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