CE


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Overview
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Enduring Understandings

 * Many natural resources are mixtures of molecules, and can be separated by physical means.
 * Some molecules release energy when they experience a chemical change.

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Prior Learning (from S8 Anchors)
S8.C.1.1 Explain concepts about the structure and properties (physical and chemical) of matter. S8.C.2.1 Describe energy sources, transfer of energy, or conversion of energy. S8.C.2.2 Compare the environmental impact of different energy sources chosen to support human endeavors.
 * S8.C.1.1.1 Explain the differences among elements, compounds, and mixtures.
 * S8.C.1.1.2 Use characteristic physical or chemical properties to distinguish one substance from another (e.g., density, thermal expansion/contraction, freezing/melting points, streak test).
 * S8.C.1.1.3 Identify and describe reactants and products of simple chemical reactions.
 * 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.2.2.1 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

 * Analyze the composition of various compounds.
 * Describe energy changes in chemical reactions.
 * Apply conservation of mass chemical reactions.
 * Distinguish between chemical and physical changes involved in fuel processing and consumption.

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Essential Learning Activities/Strategies/Technology: Working Draft

 * Molecule Kit Investigations
 * Chemical & Physical Change Investigation
 * Distillation Investigation
 * Balancing Chemical Equations

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Supplemental Resources
Cox Lesson #1 Atoms & Molecules Cox Lesson #2 Chemical Fuels Cox Lesson #3 Physical Changes Cox Lesson #4 Chemical Changes Cox Lesson #5 Fossil Fuel Resources Cox Lesson #6 Renewable Resources [] [] [] [] [] Ch 4.4 Hydrocarbons; Ch 5.3 Balancing Distillation, Combustion Apparatus [|US DOE Fossil Energy Study Guides and Activities] [] [] [] [|US Residential Energy Consumption Survey 2005] Online Molecule Simulations Online Distillation Simulations [|eMolecules.com] Provides a drawing tool that results in a link to the formal name of the molecule, and a supplier. [] - I used this to introduce Atoms at the very beginning. Very helpful for students who don't understand exactly how small an atom really is. Some didn't even know if a cell was bigger or smaller than an atom. Carbon Capture Video []
 * Firefighting Technology
 * Isomers of Alkanes
 * Internal Combustion Engine
 * Text: Science Spectrum** CH 2.3 Chem vs. Physical Properties; CH 3 Periodic Table (various topics); Ch 4.1 compounds vs. mixtures;

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