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- 1. 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.
- 2. Multiple Choice
What type of heat transfer takes place when you touch a warm mug of hot chocolate?
Radiation
Convection
Conduction
None of the above
- 3. Multiple Choice
Conduction requires
Electricity
the electromagnetic spectrum and particles
air or water flow
direct contact
- 4. Multiple Choice
Heat transfer always moves ...
cold to hot
east to west
hot to cold
north to south
- 5. Multiple Choice
If you walk barefoot on hot asphalt, energy is transferred by which process?
Convection
Radiation
Conduction
Reflection
- 6. Multiple Choice
The following diagram shows water in contact with an ice cube and warmer air.
Which way will energy flow?
From the air to the water
From the water to the air
From the ice cube to the air
From the ice cube to the water
- 7. Multiple ChoiceWhich direction is heat flowing in the picture?from the hand to the icefrom the ice to the handheat is not being transferredthere is no way to tell
- 8. Multiple ChoiceThe transfer of heat energy by direct contact, or touch, is __________________?radiationconvectionconductiongreenhouse effect
- 9. Multiple Choice
Where do we see conduction in a pot of boiling water on the stove?
The water heats up by touching the hot, metal pot.
The steam from the hot water rises out of the pot.
The heat from the fire can be felt on all sides.
- 10. Multiple ChoiceIf two objects have different temperatures, heat will flow from the cooler object to the warmer one.TrueFalse
- 11. Multiple ChoiceWhich phase is the best conductor of heat?SolidLiquidGas
- 12. Multiple ChoiceJordan places a hot spoon into a container of ice cream. How does this help him scoop out the ice cream?The coolness from the ice cream is conducted to the spoon making it easier to scoop out.The coolness from the ice cream is radiated to the spoon making it easier to scoop out.The warmth of the spoon is conducted to the ice cream making it easier to scoop out.The warmth of the spoon is radiated to the ice cream making it easier to scoop out.
- 13. Multiple ChoiceJohn put a heat pack on his cold feet. What will most likely be the result?The cold from John’s feet will be radiated into the heat pack.The warmth of the heat pack will be radiated onto John’s feet.The cold from John’s feet will be conducted into the heat pack.The warmth of the heat pack will be conducted onto John’s feet.
- 14. Multiple ChoiceWalking on the warm sand sand with your bare feet demonstrates this type of heat transfer.conductionconvectionradiation
- 15. Multiple Choice
In heat transfer, heat always flows from the _______________ substance to the _______________ substance.
Hotter to colder
Colder to hotter
Hotter to hotter
Colder to colder
- 16. Multiple Choice
The handle of a metal spoon warms up when it is placed in a hot bowl of soup because of
Convection
Conduction
Radiation
insulation.
- 17. Multiple Choice
Which of the following is the best example of conduction?
A light bulb warming a lampshade
An egg cooking in a frying pan
Water boiling in a pot
Gases circulating in the atmosphere
- 18. Multiple Choice
A pot is placed directly on a stove. The pot gets hot due to
conduction
convection
radiation
- Answer choicesTagsAnswer choicesTags