Energy Calculations
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Energy Calculations

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Energy Calculations presented by Diana Mason, Deborah Koeck and Joyce Kulhanek, ACT2 2010 ...

Energy Calculations presented by Diana Mason, Deborah Koeck and Joyce Kulhanek, ACT2 2010
The TEA has issued and implemented major revisions to the chemistry TEKS. Chemistry is usually the first course students take that requires them to understand how to solve problem that can't just simply be memorized. Even though these new standards have been aligned with algebra I, the actual use of this knowledge is in the middle to higher levels of Bloom's Taxonomy (application, analysis and synthesis). There is also a new emphasis on mathematics that will be incorporated into the Chemistry STAAR exams. This workshop will take 12 (or more) calculations from the revised TEKS that are also documented in the Texas College and Career Readiness Standards and will share teaching suggestions and activities supporting calculations of wavelength, frequency, Planck's constant and the speed of light, and calorimetry.

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    Energy Calculations Energy Calculations Presentation Transcript

    • A Dozen or More Calculations Energy Mason, Koeck, and Kulhanek
    • BCCE August 1-5 University of North Texas Denton, Texas
    • TEKS Development and Correlation to CCRS Lone Star Chemistry Solutions https://callevents.unt.edu/ei/getdemo.ei?id=3&s=_3000VYEX3
    • Engagement Helium…..Its a Texas Gas Texas Connection
      • Amarillo – Helium Capital of the World
    • Engagement Money…..Its a Texas Thing Texas Connection
      • Ft Worth Connection
    • Exploration Gas Discharge Tubes
      • Gas Discharge Tubes
      • Chemistry and Pre-AP Chemistry Applications
    • Explanation Energy Calculations An interesting experiment that allows students to calculate the energy Involved with the light from a gas discharge tube.
    • Elaboration Light……Particle or Wave?
      • Dual Nature of Light
      • Wave Words
        • Amplitude
        • Wavelength ( λ )
        • Frequency ( υ )
        • Energy (E)
        • Speed of Light (c)
    • Elaboration Light……Particle or Wave?
      • Use the ropes to illustrate the properties of the following waves.
      • Example #1
        • Amplitude 15 cm.
        • Wavelength ( λ ) 30 cm.
      • Example #2
      • Amplitude 30 cm.
      • Wavelength ( λ ) 15 cm.
    • Evaluation Light……Calculations
      • Example #1
        • Amplitude 15 cm.
        • Wavelength ( λ ) 30 cm.
        • Frequency ( υ ) υ =
        • Energy (E) E =
      • Example #2
            • Amplitude 30 cm.
            • Wavelength ( λ ) 15 cm.
            • Frequency ( υ ) υ =
            • Energy (E) E =
    • A Dozen or More Calculations Additional Concepts with Atomic Theory DeBroglie wavelength, Atomic Theory history