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Heat A Form of Energy Molecules and Motion The _____of molecules produces _____ The _____motion, the _____heat is generated.

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Presentation on theme: "Heat A Form of Energy Molecules and Motion The _____of molecules produces _____ The _____motion, the _____heat is generated."— Presentation transcript:

1

2 Heat A Form of Energy

3 Molecules and Motion The _____of molecules produces _____ The _____motion, the _____heat is generated

4 Heat Transfer The _______of _____from a _____object ___a _____one

5 Forms of heat transfer _____forms of heat transfer: __________

6 Conduction Conduction involves the ______of ____through ______ ______ Heat _______conduct heat ____, insulators do ____

7 Convection Takes place in ______and ______as molecules _____in ________ Heat _____and cold ______to the bottom

8 Radiation Heat is ________through ______ Energy from the ____being transferred to the ________

9 Questions What are the three types of heat transfer? How is conduction different from radiation?

10 What type of heat transfer is involved? Heating a room with a fireplace Egg cooking in a frying pan Roof of a house becoming hot

11 What type of heat transfer? Warm air mass bringing a change in the weather Wire getting hot from an electric appliance

12 Temperature and Heat ______energy is the energy of ______ ________is the ______of the _______kinetic energy of an object

13 Question How is kinetic energy related to heat production?

14 Thermometer A _______used to measure _________ Thermometers commonly have _______(with dye) or mercury ______thermometers have replaced older ones

15 Celsius Scale _______is the ______scale for measuring _______ Water ______at ____and _____at ______

16 Kelvin scale The _____scale is a _____temperature scale measured in Kelvin ____(K) Formula (______)= Kelvin

17 Questions What is the formula for converting a Celsius temperature to a Kelvin temperature? What is the boiling point of water on the Kelvin scale? What is the freezing point of water on the Kelvin scale?

18 Absolute zero The _______in which ___molecular _____ ____ (____)

19 Questions Describe absolute zero. What is absolute zero on the Celsius scale?

20 Measuring Heat _______in temperature _________of _____ A _______in temperature ________of heat


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