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Earth 2007: People living in Earth habitats are switching from energy-gobbling incandescent light bulbs to energy-miserly compact fluorescent lamps (CFLs). Investigate the above claim. Is the claim true? If yes, why is this happening? Are there cost benefits? Are there environmental benefits? If yes, explain why. Compare the cost of lighting using incandescent bulbs and CFLs in 2007 and beyond. This unit points to Internet sources of information about incandescent light bulbs and CFLs. This resource is part of the Investigation Backpack collection.


  • Science > General
  • Science > Earth Science
  • Science > Ecology

Education Levels:

  • Grade 6
  • Grade 7
  • Grade 8
  • Grade 9
  • Grade 10
  • Grade 11
  • Grade 12


investigation math science CFL compact fluorescent kilowatt kilowatt-hour lumen



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Creative Commons Attribution 3.0


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Curriki Rating
On a scale of 0 to 3
On a scale of 0 to 3

This resource was reviewed using the Curriki Review rubric and received an overall Curriki Review System rating of 2, as of 2008-06-18.

Component Ratings:

Technical Completeness: 3
Content Accuracy: 2
Appropriate Pedagogy: 3

Reviewer Comments:

Enlightenment 2020 math content includes data collection, graphing linear equations and prediction (extrapolation or line of best fit). This activity requires comparing LED lamps and florescent (CFL) lamps and although resources for investigation are provided in a word doc no sample data collection sheets or example output is given. This is probably a multiple day activity that requires research time before executed in the classroom.
Curriki Review System
June 30, 2009
This resource is part of the larger resource Investigation Backpack, which received a rating of 3-Exemplary in the Curriki Review System. You can learn more about this larger resource by…

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