#3.19 Aim: What are the pro’s and con’s of wind power? Agenda QOD (5) Lesson: wind power (15) Activity: the good, the bad, and the ugly (15) Summary (5)

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#3.19 Aim: What are the pro’s and con’s of wind power? Agenda QOD (5) Lesson: wind power (15) Activity: the good, the bad, and the ugly (15) Summary (5) HW #26 QOD: What do you think Bob Dylan means when he sings “the answer my friend, is blowin’ in the wind”? Wind power

#3.19 Aim: What are the pro’s and con’s of wind power? Agenda QOD (5) Lesson: wind power (15) Activity: the good, the bad, and the ugly (15) Summary (5) HW #26 Aim:What are the pro’s and con’s of wind power?

#3.19 Aim: What are the pro’s and con’s of wind power? Agenda QOD (5) Lesson: wind power (15) Activity: the good, the bad, and the ugly (15) Summary (5) HW #26 Objectives: SWBAT briefly explain how wind turbines operate SWBAT explain how the sun and wind power are connected SWBAT discuss the pros and cons of wind power

#3.19 Aim: What are the pro’s and con’s of wind power? Agenda QOD (5) Lesson: wind power (15) Activity: the good, the bad, and the ugly (15) Summary (5) HW #26 New renewable energy Geothermal, solar, and wind power. What % of our total energy use come from new renewables?  Sources of electricity in the United States

#3.19 Aim: What are the pro’s and con’s of wind power? Agenda QOD (5) Lesson: wind power (15) Activity: the good, the bad, and the ugly (15) Summary (5) HW #26 Wind Energy and California California wind farms, such as this one in the Mojave generate more than enough energy to power a city the size of San Francisco!!!

#3.19 Aim: What are the pro’s and con’s of wind power? Agenda QOD (5) Lesson: wind power (15) Activity: the good, the bad, and the ugly (15) Summary (5) HW #26 Wind Power is Dependent on the SUN! -Energy form the sun warms the Earth’s surface unevenly, which causes air to flow in the atmosphere. -We experience the movement of air masses as WIND

#3.19 Aim: What are the pro’s and con’s of wind power? Agenda QOD (5) Lesson: wind power (15) Activity: the good, the bad, and the ugly (15) Summary (5) HW #26 Wind power is another type of energy that comes originally from the sun!

#3.19 Aim: What are the pro’s and con’s of wind power? Agenda QOD (5) Lesson: wind power (15) Activity: the good, the bad, and the ugly (15) Summary (5) HW #26 Wind power… …drives wind turbines which generate electricity.

#3.19 Aim: What are the pro’s and con’s of wind power? Agenda QOD (5) Lesson: wind power (15) Activity: the good, the bad, and the ugly (15) Summary (5) HW #26 Turbines turn the movement of wind into TORQUE, a form of rotational energy Torque is increased by: 1) Wind density 2) Air speed 3) Length of blade As each of these factors increase, so does the amount of electricity produced

#3.19 Aim: What are the pro’s and con’s of wind power? Agenda QOD (5) Lesson: wind power (15) Activity: the good, the bad, and the ugly (15) Summary (5) HW #26 History of wind power Used for 800 years in the Netherlands to pump water First modern wind turbine created in Ohio in the late 1800’s

#3.19 Aim: What are the pro’s and con’s of wind power? Agenda QOD (5) Lesson: wind power (15) Activity: the good, the bad, and the ugly (15) Summary (5) HW #26 The Declining Cost of Wind Power

#3.19 Aim: What are the pro’s and con’s of wind power? Agenda QOD (5) Lesson: wind power (15) Activity: the good, the bad, and the ugly (15) Summary (5) HW #26 The Future of Wind Power Scientist estimate that the windiest spots on Earth could generate more than 10 times the energy used worldwide...

#3.19 Aim: What are the pro’s and con’s of wind power? Agenda QOD (5) Lesson: wind power (15) Activity: the good, the bad, and the ugly (15) Summary (5) HW #26 Wind power: the good, the bad, and the ugly 1. Read the recent article about wind power 2. Think-Pair-Share: What do you think are the pro’s and con’s of using wind power to generate electricity?

#3.19 Aim: What are the pro’s and con’s of wind power? Agenda QOD (5) Lesson: wind power (15) Activity: the good, the bad, and the ugly (15) Summary (5) HW #26 What are the pro’s and con’s?

#3.19 Aim: What are the pro’s and con’s of wind power? Agenda QOD (5) Lesson: wind power (15) Activity: the good, the bad, and the ugly (15) Summary (5) HW #26 Benefits 1. Emits no greenhouse gases 2. More efficient than nuclear, coal, and natural gas wind turbines create 23 times as much energy as they consume (for nuclear that ratio is 16:1, for coal 11:1, and for natural gas 5:1)

#3.19 Aim: What are the pro’s and con’s of wind power? Agenda QOD (5) Lesson: wind power (15) Activity: the good, the bad, and the ugly (15) Summary (5) HW #26 Benefits 3. Uses less water than other power plants 4. Land with wind turbines can still be used for other things (farming, etc.)

#3.19 Aim: What are the pro’s and con’s of wind power? Agenda QOD (5) Lesson: wind power (15) Activity: the good, the bad, and the ugly (15) Summary (5) HW #26 Drawbacks 1. Wind power varies from time to time, and place to place (unreliable)

#3.19 Aim: What are the pro’s and con’s of wind power? Agenda QOD (5) Lesson: wind power (15) Activity: the good, the bad, and the ugly (15) Summary (5) HW #26 Drawbacks (con’s) 2. Some people hate to see land covered in wind turbines.

#3.19 Aim: What are the pro’s and con’s of wind power? Agenda QOD (5) Lesson: wind power (15) Activity: the good, the bad, and the ugly (15) Summary (5) HW #26 Drawbacks (con’s)

#3.19 Aim: What are the pro’s and con’s of wind power? Agenda QOD (5) Lesson: wind power (15) Activity: the good, the bad, and the ugly (15) Summary (5) HW #26 Drawbacks (con’s) 3. Transporting electricity from rural area (where it is generated) to urban areas (where it’s needed)

#3.19 Aim: What are the pro’s and con’s of wind power? Agenda QOD (5) Lesson: wind power (15) Activity: the good, the bad, and the ugly (15) Summary (5) HW #26 Is wind power renewable or nonrenewable?