Heat

1
Heat

• A Form of Energy

2
Molecules and Motion

• The _____of molecules produces _____
• The _____motion, the _____heat is generated

3
Heat Transfer

• The _______of _____from a _____object ___a
  _____one

4
Forms of heat transfer

• _____forms of heat transfer
• __________
• __________
• __________

5
Conduction

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

6
Convection

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

7
Radiation

• Heat is ________through ______
• Energy from the ____being transferred to the
  ________

8
Questions

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

9
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

10
What type of heat transfer?

• Warm air mass bringing a change in the weather
• Wire getting hot from an electric appliance

11
Temperature and Heat

• ______energy is the energy of ______
• ________is the ______of the _______kinetic energy
  of an object

12
Question

• How is kinetic energy related to heat production?

13
Thermometer

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

14
Celsius Scale

• _______is the ______scale for measuring _______
• Water ______at ____and _____at ______

15
Kelvin scale

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

16
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?

17
Absolute zero

• The _______in which ___molecular _____ ____
  (____)

18
Questions

• Describe absolute zero.
• What is absolute zero on the Celsius scale?

19
Measuring Heat

• _______in temperature
• _________of _____
• A _______in temperature
• ________of heat