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Potential and Kinetic Lab #2 147 1/22/2016 EQ: How can the transfer of energy alter systems? Potential and Kinetic Lab #2 Application 1/22/2016 148 Notes Starter: Quiz Practice: Iced Soda Activity Connection: Worksheet Exit: Explain why energy transfer by radiation is different than transfer by conduction or convection. January 22, 2016 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 1 Quiz 2. Practice 3. Notes 4. Ws 5. Exit Table of Contents Date Lecture/ Activity/ Lab 11/19 Minerals and their Properties 11/30 Types of Chemical Reactions 12/1 Chemical Reactions Activity 12/2 Chemical Reactions lab 12/3 Chemistry Test Review 12/7-8 Energy Resources 12/9-10 Energy Resource Cards 12/14-15 Energy Pamphlet 12/16 CBA review 1/5 Most Wanted Poster 1/6-7 Energy Plan 1/11 Potential and Kinetic Energy 1/15 Bounce the Ball Lab 1/19 Phet Lab Activity 1/20 Kinetic and Potential Energy Poster 1/21 Kinetic and Potential Energy Lab #2 1/22 Thermal Energy Page 113-114 115-116 117-118 119-120 121-122 123-126 127-128 129-130 131-132 133-134 135-136 137-138 139-140 141-142 143-144 145-146 147-148 Thermal Energy Transfer Notes Substances are made of small particles (atoms) which are in constant motion. + = The total energy of the particles in a substance is called thermal energy Thermal energy is a form of kinetic energy. Why do you think it is a form of kinetic energy? HINT: As the particles in a substance move faster the amount of energy increases and so does the temperature. The amount of thermal energy is measured with a thermometer. Thermal energy can be transferred from place to place. We can predict which way the energy will move. Thermal energy moves from the greatest amount of energy (warmest) to the lowest energy (coolest). The energy will continue to move until it reaches equilibrium. Energy Movement This means both objects will have the same amount of energy or temperature. Energy Movement Which way does the thermal energy move? The thermal energy moves from warm to cool. There are three ways thermal energy can be transferred. Conduction Convection Radiation Conduction… Thermal energy transfers when two objects or particles touch. Convection… In gases and liquids (fluids), thermal energy is transferred through the fluid by convection. The fluid circulates in a manner such that the warmer material rises and the cooler material sinks. Radiation… Thermal energy can be transferred through empty space. This method of heat transfer occurs in space, the atmosphere, and from light. Examples of Radiation Convection, Conduction and Radiation Convection, Conduction and Radiation Interactive Heat Transfer Potential and Kinetic Lab #2 147 1/22/2016 EQ: How can the transfer of energy alter systems? Potential and Kinetic Lab #2 Application 1/22/2016 148 Notes Starter: Quiz Practice: Iced Soda Activity Connection: Worksheet Exit: Explain why energy transfer by radiation is different than transfer by conduction or convection.