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ENERGY AND POWER TECHNOLOGY Unit 5
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ENERGY AND POWER TECHNOLOGY Devices and/or systems that convert, transmit, or process energy. Examples?
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ENERGY The ability to do work To make things change, make things, happen, or to start motion Can transfer (move) or transform (change), but can’t be destroyed
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RENEWABLE ENERGY Energy that can be reused Examples: Energy from the sun, wind, or water
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NON-RENEWABLE Energy that can be used once Examples: Energy created from coal or oil
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As we view the video, please pay close attention. You will have a short writing activity after the video. Take notes on the energy sources, the technology used to harness the energy, and how that technology works. Safety Smart with Bill Nye: Renewable Energy
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WRITING ACTIVITY Choose ONE alternative energy technology (wind turbine, solar panel, etc.) and write a paragraph about how it works. This activity should be completed in your EDJ
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THINK, PAIR, SHARE Which alternative energy source do you think would be the best for this area and why?
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TYPES OF ENERGY Biomass – combustion of materials that originate from living things Geothermal – taps steam from water heated underground and uses it to spin turbines Hydrogen Power – uses electricity to breakdown water into hydrogen gas
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TYPES OF ENERGY Hydroelectricity – generates electricity by harnessing the power of flowing water Solar Energy – uses energy from the sun Tidal Energy – harnesses the energy from the ocean tides Wind Energy – energy harnessed from the wind
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PAIR TO SHARE Discuss, with someone close to you, if and when you have seen any of these energy sources being used. Prepare to share with the class.
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TECHNOLOGY TO THE RESCUE Technological solutions and systems are developed to reduce, prevent or eliminate community driven environmental problems. PROBLEM SOLUTION
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Often times existing technologies are used to identify and examine the extent of a problem in order to develop alternative solutions. Decisions to develop technologies often put environmental and economic concerns in direct competition with each other.
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Carbon Dioxide A chemical compound composed of one carbon and two oxygen atoms. It is often referred to by its formula CO2. It is present in the Earth's atmosphere at a low concentration and acts as a greenhouse gas. Carbon Footprint A measure of the impact on the environment in terms of the amount of greenhouse gases produced, measured in units of carbon dioxide.
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Eco Friendly 'Environmentally friendly' A term often used to refer to a product that is considered to inflict minimal harm on the environment. Amenities A feature that provides comfort, convenience, or pleasure. Amenities – bathroom, kitchen
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WHAT MAKES A HOME ECO- FRIENDLY? -Maximizing energy efficiency -Minimizing energy consumption -Maximizing water efficiency -Minimizing water consumption -Choosing sustainable building materials
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WHAT MAKES A NEIGHBORHOOD ECO-FRIENDLY? -It encourages walking -It contains public spaces/recreation centers -It contains a public transportation system -It has a possibility for local food production -It contains schools -It is located near areas of employment -Designed around nature
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ELECTRONICS
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