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Inquiry Based Learning Green Technology (CTE105) Which Bulb is Best?

Inquiry Based Learning Green Technology (CTE105) Which Bulb is Best?. Paul Chanley (2009) Northern Essex Community College. Light Bulb Evaluation. Objective: Develop an experiment that will evaluate different technologies of light bulbs for common household lighting

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Inquiry Based Learning Green Technology (CTE105) Which Bulb is Best?

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  1. Inquiry Based LearningGreen Technology (CTE105)Which Bulb is Best? Paul Chanley (2009) Northern Essex Community College

  2. Light Bulb Evaluation • Objective: Develop an experiment that will evaluate different technologies of light bulbs for common household lighting • Lesson module is designed to enlighten students and help them become more educated energy consumers in our society. • Students will receive inquiry week five of the semester. • Three class periods, (10 hours). • Work in groups of two or three.

  3. Light Bulb Evaluation • Students will evaluate Incandescent, LED and CFL light bulbs at common wattage ratings • For each type of light bulb, students will be required to: • measure the energy consumption • calculate carbon footprint • provide a cost analysis • measure output of light • Students are provided with materials and must develop an inquiry that will include a hypothesis, experimental procedures, data analysis and conclusion

  4. Prior Knowledge • Proficiencies/ Prerequisites:College Reading, Basic Writing & Basic Algebra I • Computer Skills:Word, Excel, PowerPoint and Internet Research. Materials • Computer -with Internet, Excel, Word & PowerPoint • “Kill-A-Watt” Meter • LED, CFL & Incandescent Light Bulbs • Light Sensing Meter(Photo resistors, Photovoltaic model cell optional) • Light Bulb Socket • Ruler/Meter Stick

  5. Student Documentation • One Page Description of Experiment • Carbon Foot Print Calculations • Diagram of Experiment • Cost Analysis – (Cost vs. Time Plot &“Break Even” Point) • Daily Journal/Lab Notebook • Classroom Presentation

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