EE


 * [[image:Anchor_Understandings.png link="EE#Understandings"]] || [[image:Anchor_Prior.png link="EE#Prior"]] || [[image:Anchor_Objectives.png link="EE#Objectives"]] || [[image:Anchor_Essential.png link="EE#Essential"]] || [[image:Anchor_Supplemental.png link="EE#Supplemental"]] || [[image:Anchor_Document.png link="EE#Document"]] ||

Overview
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Enduring Understandings

 * Electricity can be measured on scales of voltage, current, and power, which are related but different concepts.
 * Ohm's Law describes the relationship between voltage, current, and resistance in an electrical circuit.

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Prior Learning (from S8 Anchors)
S8.B.3.3 Explain how renewable and non-renewable resources provide for human needs or how these needs impact the environment.
 * S8.B.3.3.1 Explain how human activities may affect local, regional, and global environments.
 * S8.B.3.3.2 Explain how renewable and nonrenewable resources provide for human needs (i.e., energy, food, water, clothing, and shelter).

S8.C.2.1 Describe energy sources, transfer of energy, or conversion of energy.
 * S8.C.2.1.1 Distinguish among forms of energy (e.g., electrical, mechanical, chemical, light, sound, nuclear) and sources of energy (i.e., renewable and nonrenewable energy)
 * S8.C.2.1.2 Explain how energy is transferred from one place to another through convection, conduction, or radiation.
 * S8.C.2.1.3 Describe how one form of energy (e.g., electrical, mechanical, chemical, light, sound, nuclear) can be converted into a different form of energy.

S8.C.2.2 Compare the environmental impact of different energy sources chosen to support human endeavors.
 * S8.C.2.2.1 Describe the Sun as the major source of energy that impacts the environment.
 * S8.C.2.2.2 Compare the time span of renewability for fossil fuels and the time span of renewability for alternative fuels.
 * S8.C.2.2.3 Describe the waste (i.e., kind and quantity) derived from the use of renewable and nonrenewable resources and their potential impact on the environment.

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Learning Objectives: Working Draft

 * Calculate energy costs of electrical appliances.
 * Discuss ways to increase efficiency of electrical appliances.
 * Use Ohm’s Law to explain relative resistances, currents, and voltage.
 * Explain how electricity induces magnetism and how magnetism induces electricity as two aspects of a single electromagnetic force.

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Essential Learning Activities/Strategies/Technology: Working Draft

 * Electrical Generation Investigation (hand-crank generators)
 * Electrical Circuit Investigations
 * Calculating Electrical Energy Costs
 * Energy Star & Appliance Efficiency Study

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Supplemental Resources
[] [] [] [] [] [] -The 3 Prongs on an Outlet Plug Text- Science Spectrum CH 11.2-Ohms Law; Ch 11.3 Power; CH 8.4 Efficiency; Conservation of Energy Hand-Crank Generators Watt-meters [] [] Online Generator Simulations Online Alternative Energy Simulations Online Circuit Simulations An Online Real-time US Power Grid Graph - [] A freeware [|circuit solving program]: ".An educational electricity and electronics software for circuit analysis and resolution." from Apple. [] Ideas for science-fair activities related to energy. [] "Energy supply, conversion and use is central the quality of life for all people. It is our hope that students, teachers and parents will develop a better understanding of energy and its complex interrelationships." [|Gag Toys]: Deduce the energy transformations involved these gadgets [|PA Shopping Guide for Electrical Suppliers] [|NEED], National Energy Education Development Project, featuring lesson plans and question banks, sponsored by a variety of energy industry representative [|Power Grid Applet Activity] (Great applet showing generators and the distribution of electrical power) Student Packet is also linked on site Number of CFLs in use today in PA ...nice statistics [] [] [] [|Electricial transformation] [|US Residential Energy Consumption Survey 2005] UMASD Energy Data
 * Wind Story (pspb)
 * Electrical Transformers

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Embedded Curriculum Document
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