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Chemistry Pipetting

Chemistry Pipetting

Amanda Rose Amanda Rose Riley earned this badge on Sep 23, 2014

Learn how to pipet liquids effectively.

Challenges

  • Pre-Survey: Perceptions of Pipetting

    This survey should be filled out before beginning the video exercise.

    This questionnaire has been designed to measure your perception of your knowledge, experience, and confidence on pipetting before the video exercise.

    For each of the questions indicate how you feel about your knowledge, experience, and confidence.

    For the purposes of this questionnaire knowledge means what you know about performing the task, experience means actual hands-on experience performing the task, and confidence means your confidence in your ability to perform the task.

  • Pipet Video Submission
    Pipet Video Instructions (remember to narrate, tell us what you are doing): 
    1. State your name at the beginning of the video.
    2. State Laboratory Section number.
    3. Your face and hands must be shown in the video at the beginning.
    4. Collapse pipet bulb properly (not attached to pipet).
    5. Connect bulb to pipet properly (tell us how).
    6. Draw liquid into the pipet above mark, but not into the bulb.
    7. Do a close-up shot showing the meniscus at calibration mark. 
    8. Remove drops of liquid from the end of pipet if needed by tapping on side of beaker.
    9. Dispense liquid into flask.
    10. Do a close up shot showing the bottom 2-3 inches of pipet. There should still be liquid in the bottom.
  • Retrospective Pre-Survey: Perceptions of Pipetting

    This survey should be filled out immediately after you complete the video exercise.

    Based on what you now know about pipetting, re-evaluate the knowledge, experience and confidence you had before completing the video exercise.

    Please mark your responses, re-evaluating how you felt about your knowledge, experience, and confidence before going through the video exercise.

    For the purposes of this questionnaire knowledge means what you know about performing the task, experience means actual hands-on experience performing the task, and confidence means your confidence in your ability to perform the task.

  • Post-Survey: Perceptions of Pipetting

    This survey should be filled out last.

    For each of the questions indicate how you feel now about your knowledge, experience, and confidence, after you have completed the video exercise.

    For the purposes of this questionnaire knowledge means what you know about performing the task, experience means actual hands-on experience performing the task, and confidence means your confidence in your ability to perform the task.