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18 questions
Which of the following is an example of convection?
A hair dryer is drying up your hair.
When the AC or heater changes the temperature.
When a car engine turns hot after being turned on.
When you are making soup and the water is rising and lowering.
Near the ceiling of a room the air is warmer. The warm air rises because of
conduction
convection
radiation
A huge rock at the state park gets so hot during the day because of
conduction
convection
radiation
A chair is placed several feet from a fireplace. The fireplace has a glass screen. The side of the chair facing the fireplace gets warm because of
conduction
convection
radiation
In heat transfer, heat always flows from the _______________ substance to the _______________ substance.
Hotter to colder
Colder to hotter
Hotter to hotter
Colder to colder
The handle of a metal spoon warms up when it is placed in a hot bowl of soup because of
Convection
Conduction
Radiation
insulation.
When you use a microwave, what is the main way that heat is transferred?
Convection
Conduction
Radiation
insulation.
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
An iron is placed on your clothes to smooth out the wrinkles. The iron transfers heat to your clothes through
conduction
convection
radiation
A pot is placed directly on a stove. The pot gets hot due to
conduction
convection
radiation
You get sunburned due to __________ from the sun.
conduction
convection
radiation
Near the ceiling of a room the air is warmer. The warm air rises because of
conduction
convection
radiation
The heat from a lamp allows a lizard to remain warm. This is an example of which type of heat transfer?
radiation
conduction
convection
insulation
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