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Daily TAKS Connection: Convection, Conduction, and Radiation. IPC(6): The student knows the impact of energy transformations in everyday life. The student is expected to:
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Daily TAKS Connection:Convection, Conduction, and Radiation IPC(6): The student knows the impact of energy transformations in everyday life. The student is expected to: (B) Investigate and demonstrate the movement of heat through solids, liquids, and gases by convection, conduction, and radiation.
Materials: Paper Scissors Pen Colored pencils/crayons Instructions: Hot Dog fold paper With the paper turned horizontally, make 3 cuts from top to bottom stopping at the fold. Label 1 flap Conduction, 1 flap Convection, and 1 flap Radiation. Foldable Instructions
Foldable Completion • Using the “Foldable Cut-Out Sheet”, cut-out the definitions and pictures. • Glue the picture and the definition of each of the types of heat transfer on the inside of the flap that it matches.
Foldable completion, cont’d. • Using the “Foldable Cut-Out Sheet”, cut-out the solid, liquid and gas representations. • Glue them on the inside of your foldable on the portion that has not been cut. • Label each picture as either a solid, liquid, or gas.
Quick Review • Is a solid a fluid? NO!! • Do solids have fluid motion? NO!! • VERY important: only fluids can transfer heat by convection
Question 1 The primary way liquids and gases (fluids) transmit heat is by the process of A. reflection B. conduction C. radiation D. convection
Question 2 Heat convection occurs in gases and liquids. Heat convection does not occur in solids because solids are unable to – A. absorb heat by vibrating B. transfer heat by fluid motion C. emit radiation by reflecting light D. exchange heat by direct contact
Question 3 In winter the air just above the top bunk of a bunk bed is warmer than the air just above the bottom bunk because warm air rises. Which of the methods of heating causes this difference in temperature?
Question 4 Name the method of heating that best describes each of the following: • A satellite is warmed by sunlight. • Butter melts on warm bread. • A ceiling fan cools a warm room.
Insulators and Conductors Notes(Write these in a T-Chart format next to the pictures of the States of Matter) • conductors • allow heat to transfer readily • Black improves absorption of infrared radiation (heat) • Ex: metals are good conductors of heat; painted black are even better • insulators • do not readily allow the transfer of heat • Ex: glass and plastic are good insulators of heat
Now Apply Your Knowledge • determine whether a substance is a good conductor or insulator based on data provided FYI (Write this in your T-Chart!) • good insulators don’t allow heat loss/gain; therefore little or no temperature change • good conductors do allow heat loss/gain; therefore a large temperature change will take place
Insulators and Conductors Classifying Game • Use the cards to determine which objects Conduct Heat or Do Not Conduct Heat • Place each object under the correct heading.
Question 5 • Which container is a better insulator? A better conductor? Why?