get heading on paper for:

o       Paper Clip Lifter Energy Flow

o       copy this statement, filling in the blanks:

o       Our system  used _____________ energy ( ____________ moving)  and passed it along as _____________energy (shaft spinning)              and passed that along as _____________energy (lifting).

o       Along the way friction wasted some energy as the shaft spun, this energy was lost as ____________ energy.

o       NOW draw a picture that represents the energy transfers in those two statements.  Make the picture simple and symbolic, not realistic.

 
 to understand how cost/benefit analysis works
Reading: Benefits and Costs pp323-326
    answer on paper 
 

when done, turn in and start: 

1. Read & do Connection: Wind Farms pp327-330, worksheet to complete are on  the art table by the projector.
2. search Google for more current info on wind generators to add to your cost / benefit analysis.  Search:
   1. Wind Generators
   2. Problems with wind generators
   3. Benefits of wind generators

Quiz - ENERGY  - inputs, outputs, forms and transformations

SRF   Science Reading Friday
 

http://news.bbc.co.uk/2/hi/talking_point/6367791.stm

http://news.bbc.co.uk/2/hi/science/nature/6365755.stm

http://news.bbc.co.uk/2/hi/programmes/6354759.stm

and

interesting

and

relevant

and

http://news.bbc.co.uk/2/hi/science/nature/6108414.stm

http://news.bbc.co.uk/2/hi/europe/6114962.stm

http://news.bbc.co.uk/2/hi/uk_news/england/wiltshire/6112476.stm

http://news.bbc.co.uk/2/hi/science/nature/6108090.stm

http://news.bbc.co.uk/2/hi/science/nature/6111528.stm

http://www.ucsc.edu/news_events/press_releases/text.asp?pid=971

http://www.care2.com/news/member/525634130/212599

ecosystems sites 

food web:  http://oceanlink.island.net/oinfo/foodweb/foodweb.html

http://www.oceansonline.com/oceanicfoodwebs.htm

http://www3.umassd.edu/Public/Exhibit/DES300/game/web-fr.htm

http://octopus.gma.org/surfing/human/foodweb.html

online build an african web: http://www.vtaide.com/png/foodchains.htm

food chain:
http://www.planetpals.com/foodchain.html

http://www.geography4kids.com/files/land_foodchain.html

e-waste

tuna

UK birds

http://news.bbc.co.uk/2/hi/science/nature/6187228.stm

http://news.bbc.co.uk/2/hi/science/nature/6185548.stm

http://news.bbc.co.uk/2/hi/science/nature/4815230.stm

http://news.bbc.co.uk/2/hi/science/nature/6041570.stm  Venus

1. Changes in Systems
2. Properties of Systems
3. Structure of Systems

Science/Nature various
http://news.bbc.co.uk/1/hi/sci/tech/default.stm

http://birds.cornell.edu/programs/AllAboutBirds/BirdGuide

http://birds.cornell.edu/programs/AllAboutBirds