Evidence of Energy Conversions • • Motion Change in position Change in shape Change in temperature
Minds On • On page 191 answer questions 1 -3. You may need to read the Energy Conversions in Natural Systems on page 190 -191 to help answer some questions
Recall: According to the Law of Conservation of Energy, energy is not created or destroyed. It is converted from one form to another. Forms of energy:
As we enjoy a tasty steak, do you ever wonder. . . what were the energy conversions along the way? As I blow dry my hair, I ponder. . . what was the journey energy took? As we listen to music on an i. Pod. . . how did energy change from battery to music?
Energy Conversions:
Energy Conversions:
Energy Conversions:
Where does our electrical energy come from? What are some possible sources?
(Canada) Source: Human Activity and the Environment - Stats Canada PJ = 1015 J
(Canada) Source: Human Activity and the Environment - Stats Canada
Source: Human Activity and the Environment - Stats Canada
click on link for interactive map http: //www. centreforenergy. com/Facts. Stats/Maps. Canada/AB-Energy. Map. asp
http: //www. youtube. com/watch? v=e_Ccrg. KLyzc know the energy conversion involved; pros and cons
http: //www. youtube. com/watch? v=rn. PEtw. Qtm. GQ&feature=grec_index know the energy conversion involved; pros and cons
http: //www. youtube. com/watch? v=j. NOzh 4 Kwgpw know the energy conversion involved; pros and cons
Amazing advance in energy production nanotechnology http: //www. ted. com/talks/justin_hall_tipping_freeing_energy_from_the_grid. html