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- 1. Multiple ChoiceWhich statement is the best example of heat energy transfer by conduction?Heat energy is transferred from the surface soil to the rocks below.Heat energy is transferred from the bottom to the top of a lake.Heat energy is transferred from the Sun to the Earth.Heat energy is transferred from the Earth's surface to the upper atmosphere.
- 2. Multiple ChoiceDuring which process of energy exchange does cold air displace warmer air?absorptionconvectionradiationconduction
- 3. Multiple ChoiceWhat method of energy transfer requires no medium for transfer?convectionconductionradiationreflection
- 4. Multiple ChoiceThermal energy may be transferred
I. in a fluid as a result of density changes of the fluid. II. in a non-metallic substance as a result of it touching another object.
Which of the following correctly identifies each of these energy transfersTransfer I: convection
Transfer II: convectionTransfer I: convection
Transfer II: conductionTransfer I: radiation
Transfer II: conductionTransfer I: conduction
Transfer II: convection - 5. Multiple Choice
The diagram below shows a room in a house fitted with an electric heater used to heat the room.
By which processes is the room heated when the heater is in operation?convectionconductionradiationreflection - 6. Multiple ChoiceWhen you use a microwave oven to increase the temperature of a cup of hot chocolate, which type of heat transfer is taking place?conductioninsulationradiationconvection
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