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Application/Connection: Worksheet
Thermal Energy Thermal Energy 147 148 1/25/2016 1/25/2016 Application/Connection: Worksheet Exit: EQ: How can the transfer of energy alter systems? Starter: Write three things that you know about energy transfer. Practice: Edusmart 1. 2. 3.
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1 Starter 2. Practice 3. Notes 4. Ws 5. Exit
January 25, AGENDA TEKS 6.9A investigate methods of thermal energy transfer including conduction, convection, and radiation TEKS 6.9B verify through investigations that thermal energy moves in a predictable pattern from warmer to cooler until all the substances attain the same temperature such as an ice cube melting
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Table of Contents Date Lecture/ Activity/ Lab Page
11/ Minerals and their Properties 11/ Types of Chemical Reactions 12/ Chemical Reactions Activity 12/ Chemical Reactions lab 12/ Chemistry Test Review 12/7-8 Energy Resources 12/9-10 Energy Resource Cards 12/ Energy Pamphlet 12/ CBA review 1/ Most Wanted Poster 1/ Energy Plan 1/ Potential and Kinetic Energy 1/ Bounce the Ball Lab 1/ Phet Lab Activity 1/ Kinetic and Potential Energy Poster 1/ Kinetic and Potential Energy Lab # 1/ Thermal Energy
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Thermal Energy Transfer Notes
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Substances are made of small particles (atoms)
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which are in constant motion.
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+ = The total energy of the particles in a substance is called thermal energy
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Thermal energy is a form of kinetic energy.
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Why do you think it is a form of kinetic energy?
HINT:
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As the particles in a substance move faster the amount of energy increases and so does the temperature.
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The amount of thermal energy is measured with a thermometer.
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Thermal energy can be transferred from place to place.
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We can predict which way the energy will move.
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Thermal energy moves from the greatest amount of energy (warmest) to the lowest energy (coolest).
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The energy will continue to move until it reaches equilibrium.
Energy Movement
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This means both objects will have the same amount of energy or temperature.
Energy Movement
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Which way does the thermal energy move?
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The thermal energy moves from warm to cool.
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There are three ways thermal energy can be transferred.
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Conduction Convection Radiation
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Conduction… Thermal energy transfers when two objects or particles touch.
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Convection…
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In gases and liquids (fluids), thermal energy is transferred through the fluid by convection.
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The fluid circulates in a manner such that the warmer material rises and the cooler material sinks.
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Radiation… Thermal energy can be transferred through empty space.
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This method of heat transfer occurs in space, the atmosphere, and from light.
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Examples of Radiation
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Convection, Conduction and Radiation
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Convection, Conduction and Radiation
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EXIT
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Connection: Worksheet
Thermal Energy Thermal Energy 147 148 1/25/2016 1/25/2016 Application Notes Connection: Worksheet Exit: Explain why energy transfer by radiation is different than transfer by conduction or convection. EQ: How can the transfer of energy alter systems? Starter: Write three things that you know about energy transfer. Practice: Iced Soda Activity
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