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    Energy!

    Welcome back folks,
    Our transition back will begin with an overview of heat, the lowest form of energy (random, disorder, high entropy).
    We'll begin with a few labs and demos, and follow the frog book for a rough overview, before diving into our normal textbook.
    Here are some notes:
    Semester one overview:
    Unit 6: energy
    Unit 7: pollution
    Unit 8: global change

    Unit 6(text):
    ch. 12 Non renewable energy
    ch. 13 Renewable energy

    Frog book:
    ch. 16 Climate change
    ch. 17 Non renewable energy
    ch. 18 Renewable energy

    Energy overview
    IR camera
    Dashboard greenhouse example
    Heat: lowest form of energy
    Radiation: needs no medium, can be reflected (white, mirrored surfaces), more efficient at high temperatures (red hot), e.g. solar radiation from the sun to us, 8 light minutes away, through a vacuum.
    Conduction: (contact), air over warm earth, picks up heat (thermal energy) by contact
    Convection: (mass in motion), dependent on density differences, casue of all wind, storms, heat transfer to space
    Frog book:
    16: climate change
    17: non renewable energy
    18: renewable energy

    Implications:
    Building insulation
    Hot water insulation
    HVAC
    Housing
    Industry
    Transportation

    MLO= Mauna Loa ("long mountain") Observatory: Mauna = mountain, Loa = long
    Begin in 1958, with Keeling, so the curve is called the "Keeling curve"
    Look it up: why is it jagged? What does it look like in the southern hemisphere? Why?
    Look up NOAA, this is the organization that oversees MLO
    NCAR is another cool place to look up.
    Find the aggi index graph-which gas is most important? which is changing most today? why is 1990 the 1.0 mark for all gases?
    What is the difference between the aggi graph and any other climate change graph?
    You might also look up the ozone and CFC graphs, notice what happened to those as well.

    Heat transfer lab:
    conduction, convection, radiation examples
    Energy literacy lab:
    1000 W water heater for 1/10 hour = 0.1 kWh
    1 Watt = power
    1 kW = power
    1 HP = power

    1 kWh = energy
    1 joule = energy (recall mgh = PE, or 1/2mv^2 = KE)
    1 calorie = energy (n.b. 1000 cal = 1 Cal, or food calorie)
    1 BTU = energy (used in heating, ventilation and air conditioning systems-HVAC)

    Energy monitoring lab:
    Energy hunt

    Comments

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You should be able to do the following after logging in with your account: To create a new page, click the ...Falseadmin2020-08-19T15:43:59+00:00adminadmin2013-02-05 02:24:03+00:002013-02-05 02:24:03updated4Added tag - hotadminadmin2013-02-05 02:24:02+00:002013-02-05 02:24:02addTag3adminadmin2013-02-05 02:05:35+00:002013-02-05 02:05:35updated2First createdadminadmin2013-02-05 02:03:35+00:002013-02-05 02:03:35created1wiki2013-02-05T02:24:03+00:00groups/apenvironmentalscience/wiki/394a8FalseEnergy notes/groups/apenvironmentalscience/wiki/394a8/Energy_notes.htmladmin4 updatesEnergy notes Week of 2.4.13: energy wrap-up e2 video: coal vs. nuclear in class AP exams: FRQ 2002.1 2004.2 2006.1 2007.2 2008.1 ...Falseadmin2013-02-05T02:24:03+00:00adminadmin2013-02-05 02:23:20+00:002013-02-05 02:23:20updated6Added tag - hotadminadmin2013-02-05 02:23:18+00:002013-02-05 02:23:18addTag5adminadmin2013-02-05 02:23:12+00:002013-02-05 02:23:12updated4adminadmin2013-02-05 02:21:48+00:002013-02-05 02:21:48updated3adminadmin2013-02-05 02:20:26+00:002013-02-05 02:20:26updated2First createdadminadmin2013-02-05 02:06:00+00:002013-02-05 02:06:00created1wiki2013-02-05T02:23:20+00:00groups/apenvironmentalscience/wiki/c360bFalseFeb-May plan/groups/apenvironmentalscience/wiki/c360b/FebMay_plan.htmladmin6 updatesFeb-May plan 1. conclusion of energy chapters (see previous wiki) 2. GCC AP questions FRQ: 2006.2 2005.3 2005.4 2007.3 ...Falseadmin2013-02-05T02:23:20+00:00adminadmin2012-03-07 05:53:55+00:002012-03-07 05:53:55updated14adminadmin2012-03-07 05:43:38+00:002012-03-07 05:43:38updated13adminadmin2012-03-07 05:41:35+00:002012-03-07 05:41:35updated12adminadmin2012-03-07 05:38:57+00:002012-03-07 05:38:57updated11Added tag - hotadminadmin2012-03-07 05:38:55+00:002012-03-07 05:38:55addTag10adminadmin2012-03-07 05:36:47+00:002012-03-07 05:36:47updated9adminadmin2012-03-07 05:22:26+00:002012-03-07 05:22:26updated8adminadmin2012-03-07 05:20:01+00:002012-03-07 05:20:01updated7adminadmin2012-03-07 05:18:58+00:002012-03-07 05:18:58updated6adminadmin2012-03-07 04:58:55+00:002012-03-07 04:58:55updated5adminadmin2012-03-07 04:57:33+00:002012-03-07 04:57:33updated4adminadmin2012-03-07 04:56:53+00:002012-03-07 04:56:53updated3adminadmin2012-03-07 04:54:20+00:002012-03-07 04:54:20updated2First createdadminadmin2012-03-07 04:53:33+00:002012-03-07 04:53:33created1weblog2012-03-07T05:53:55+00:00groups/apenvironmentalscience/weblog/de030FalseGreen Apple/groups/apenvironmentalscience/weblog/de030/Green_Apple.htmladmin14 updatesGreen Apple Team, Please watch this video about NYC: Trailer: http://www.pbs.org/e2/episodes/101_the_green_apple_trailer.html On the server: http://physics.hpa...Falseadmin2012-03-07T05:53:55+00:00adminadmin2011-09-13 19:08:24+00:002011-09-13 19:08:24updated4Added tag - hotadminadmin2011-09-13 19:08:22+00:002011-09-13 19:08:22addTag3adminadmin2011-09-13 19:08:10+00:002011-09-13 19:08:10updated2First createdadminadmin2011-09-13 19:04:30+00:002011-09-13 19:04:30created1weblog2011-09-13T19:08:24+00:00groups/apenvironmentalscience/weblog/4ecddFalseQuestions for Wednesday, wiki adds/groups/apenvironmentalscience/weblog/4ecdd/Questions_for_Wednesday_wiki_adds.htmladmin4 updatesQuestions for Wednesday, wiki adds Team, I'd like to try something for class tomorrow: each of you to create a question from chapter 3, and email it to me by this evening (Tuesday). 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