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- 1. Multiple Choice
What kind of heat transfer happens when the sun is heating your body?
Conduction
Radiation
Convection
Density
- 2. Multiple Choice
What heat transfer happens when you burn your hand by touching a fire?
Radiation
Conduction
Convectio
I don't know!!!!!!!!!!!
- 3. Multiple ChoiceWarm air rises and the cool air sinks demonstrates this type of heat transfer.conductionconvectionradiationInsolation
- 4. Multiple ChoiceIroning a shirt is an example of...condensationconductionconvectionradiation
- 5. Multiple ChoiceWarm air is __________ dense than cold air and rises creating convection currents.moreless
- 6. Multiple Choice
A toaster toasting bread is an example of
condensation
conduction
convection
radiation
- 7. Multiple Choice
The man goes to take the hot pot off the stove with his bare hands. Why does he get burned?
conduction
convection
radiation
- 8. Multiple ChoiceWhat happens when ice cubes melt in a glass?Heat travels from the ice to the warmer water.No energy is transferred.Heat is transferred from the warmer water to the ice cubes.The water warms up due to the humidity
- 9. Multiple ChoiceWhat is the definition of CONDUCTION?When heat is transferred from objects like rays of light or electromagnetically.a hot liquid or air that expands, becomes less dense, and rises or becomes more dense, and sinks.When heat transfers from objects that are touching.When heat transfers through the heater or AC in your house.
- 10. Multiple Choice
Jon accidentally grabbed the handle of the hot pot.
conduction
convection
radiation
- 11. Multiple ChoiceA group of friends gather around a fire to stay warm.conductionconvectionradiation
- 12. Multiple ChoiceTransfer of thermal energy through "space"conductionconvectionradiation
- 13. Multiple ChoiceThe way the heat is moving from the hot coffee is called...convectionradiationinsulationconduction
- 14. Multiple Choice
The baby chickens are kept warm from the heat lamps demonstrates this type of heat transfer.
conduction
convection
radiation
insulation
- 15. Multiple Choice
Conduction occurs in...
solids
liquids
gases
All three
- 16. Multiple Choice
Considering that convection is driven by differences in temperature, double-pane windows are most likely used to
create a convection current from the outside air to the inside air.
increase the rate of heat flow to the outside air.
create a convection current from the inside air to the outside air.
decrease the rate of heat flow to the outside air.
- 17. Multiple ChoiceDuring a heat transfer demonstration, students observed water being pumped around a closed loop in an engine. The moving water carries heat from the hot engine to the radiator. Which type of heat transfer is involved when the cooler water absorbs heat while in contact with the hot engine?ConvectionConductionInsulationRadiation
- 18. Multiple ChoiceHeat would best be transferred by conduction betweena candle and the air.an oven and a glass dish.a stove and a copper pot.water and a wooden spoon
- 19. Multiple ChoiceCarole owns a two story house with a heating and cooling unit on each floor. In the winter she mostly uses the downstairs unit because the volume of warm air __________ and __________ warming the whole house through __________.expands, rises, convectionexpands, sinks, conductioncontracts, rises, conversioncontracts, sinks, contraption
- 20. Multiple ChoiceWhy does food wrapped in aluminum foil keep warm for a long time?Aluminum foil is an insulator and prevents heat loss by conduction.Aluminum foil forms an air-tight seal and prevents heat loss by convection.The silver surface of the foil reflects heat in and prevents heat loss by radiation.The silver surface of the foil absorbs heat from the surroundings and keeps the food warm.
- 21. Multiple ChoiceWhich of the following is a good conductor of heat?MetalNonmetalMetalloid
- 22. Multiple Choice
When two things are the same temperature:
They have the same number of molecules
Their molecules stop moving
Their molecules move at the same average speed
Heat transfer between the two things stops
- 23. Multiple Choice
Which one has the least heat?
Ice
Fire
Coffee
Table
- 24. Multiple ChoiceWhich of the following is needed for convection to happen?Fluid/sLight in the form or raysElectromagnetic wavesFire
- 25. Multiple ChoiceHeat transfers from an area of ____temperature to an area of ___ temperature.high to lowlow to highhigh to highIt can travel high to low and low to high.
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