Solar Energy Webquest Home [PDF]

Nov 19, 2007 - ... not receive significant sunlight. They contend that the costs associated with solar energy are large

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Idea Transcript


Solar Power Webquest Introduction As you learned in my presentation, solar power is derived from the flux of photons from the sun. It is the source of most biological productivity thanks to photosynthesis. Solar energy can be used directly to provide heat and light, such as through celestory windows or solar tubes. Or it can be trapped by solar panels and converted into electricity via a photovoltaic or thermal process. The use of solar power has significantly increased in the past decade, due largely to declines in the cost of technologies to capture the sun's energy and convert it into a form that people can use. Many people believe that solar power has great potential to provide far more of our heating, lighting, electricity, and even transportation needs than it does now. The most ardent advocates even believe that solar power should be THE dominant form of energy in the decades to come. Others believe that solar power has limited potential, especially in areas that do not receive significant sunlight. They contend that the costs associated with solar energy are large compared to the benefits. The purpose of this webquest is to enable teams of students to learn more about solar, and determine its potential to serve as a significant source of renewable energy in the future. Task The teams assigned to this webquest are to review the websites listed below. Students in those teams are to answer the following questions: What evidence supports the idea that products of solar can provide a significant proportion of energy demand in the future? Does everybody agree with that evidence? If not, explain. During my presentation, I suggested that solar energy has been best developed in areas having high sunlight and low cloud cover such as tropical and desert areas. Can energy production from solar energy be enhanced in those areas? Can energy production from solar energy be developed in less sunny areas (such as northern Europe, or northeastern and northwestern U.S.? What environmental problems does solar energy pose? Are those problems real or exaggerated? What social / political problems? Do any laws or regulations prevent the deployment of solar energy in the US? Other industrialized countries? Non industrialized countries? Process Student teams assigned to this topic will conduct a webquest using the following websites: Wikipedia article on solar energy Solar Energy International International Solar Energy Society American Solar Energy Society Solar Energy Industries Association Solar Energy network US Department of Energy Solar Energy Technologies Program website National Renewable Energy Laboratory Solar Energy Basics Solarenergy.com ScienceDaily Solar Energy News Energyquest article Thinkquest article Darvill's solar power website

Union of Concerned Scientists article Anne Clark article Southface solar energy website Revkin / Wald article in NY Times Nick Rosen opinion piece Powerlight website Seriously Solar website Disadvantages of solar energy Article in Electrodynamics Article in Wisegeeks Article in Worldwatch Solar panel scam Article by Philip Bump On 19 November, student teams assigned this topic will each give a 20 minute Powerpoint-based presentation in which they will answer the questions. Evaluation Students will be evaluated using the following rubric. The grade will reflect both an individual and a team performance. Team-based items Item

5

3

1

Introduction First one-two minutes First one-two minutes clearly understandable, mostly understandable, audience led into the audience should be objectives of the talk partly prepared for objectives of the talk

First one-two minutes generally not understanable, audience not really prepared for objectives of the talk

Objectives

Clearly outlined

Presented in a general way, but one or more details confusing

Not clearly indicated

Number of bullet points addressed

4-5

3

1-2

Bullet 1

Discussion provided Discussion provided Discussion provided substantial insight into acceptable insight into superficial insight into online resources, online resources, online resources, evident accurate presentation of presentation of inaccuracies in way that information in articles, information in articles presentation of information clear synthesis that goes generally accurate, in articles was presented, well beyond rehashing some synthesis beyond little synthesis beyond posted information. rehashing posted rehashing posted information information

Bullet 2

See above

See above

See above

Bullet 3

See above

See above

See above

Bullet 4

See above

See above

See above

Citations

Consistently and accurately provided

Mostly provided, or some inaccuracies

Generally not provided, or grossly inaccurate

Powerpoint text

Clearly legible

Mostly legible

Poorly legible

Images

All clear and appropriate

A few unclear or not appropriate

Many unclear or not appropriate

Integration of Powerpoint between speakers

Well integrated

Partly integrated

Not integrated

Conclusion

Clearly executed, excellent summary of main points and synthesis

Length

18-21 minutes

Generally well None or poorly executed, executed with with unclear summary and acceptable summary of / or no real synthesis main points and synthesis 16-18 minutes

21 minutes

Individual-based items: Item

5

3

1

Level of contribution to overall team effort

Clearly an integral part of overall effort

Secondary level of contribution to overall effort

Minor level of contribution to overall effort

Level of knowledge about topic

Clearly excellent grasp

Generally good grasp, some minor uncertainty

Clear level of uncertainty about topic

Attitude

Upbeat, professional demeanor

Some unprofessional comments / mannerisms at times

Significant unprofessional demeanor

Audibility

Excellent

Good

Poor

Rate of information delivery

Excellent

Slightly too fast or too slow

Significantly too fast or too slow

Eye contact with audience

Excellent

Good (minor reading or a bit too much focus on screen)

Poor (too much reading or excessive focus on screen)

Diction

Excellent

Some sluring or mispronunciation of a few words

Significant sluring or mispronunciations throughout presentation

Return to Homepage for BIO / EES 105 This page posted and maintained by Kenneth M. Klemow, Ph.D., Biology Department, Wilkes University, Wilkes-Barre, PA 18766. (570) 408-4758, [email protected].

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