Heat Transfer And Conduction, Convection, And Radiation Question Preview (ID: 55563)


Heat Transfer. TEACHERS: click here for quick copy question ID numbers.

Why do we use wood or plastic for the handle of frying pans?
a) because wood and plastic are poor conductors of heat
b) because it looks really neat
c) because it keeps wood and plastic companies in business
d) What? Frying pans have handles?

Which is the best example of convection?
a) a chair warming after it is sat in for a whole class period
b) a hot air balloon rising
c) getting a sunburn
d) bacon cooking in a pan

Which is the best example of conduction?
a) butter melting in the microwave
b) getting a sunburn
c) a hot air balloon rising
d) a chair warming after it is sat in for a whole class period

Which is the best example of radiation?
a) A cat warms itself in front of the fire
b) Warm air rises in the room
c) A pancake cooks on a griddle
d) A spoon warms up in a cup of hot coffee

Which is the best example of convection?
a) You get a sun burn from sitting in the sun all day.
b) You take a sip of hot soup and burn your tongue.
c) Water in a well-built thermos takes hours to cool.
d) Hot magma rises, and cool magma falls in the Earth

The hotter the material, the _____ it's particles are moving
a) faster
b) slower
c)
d)

Which is the best example of conduction?
a) Hot cement burns your feet at the pool
b) Water in a well-built thermos takes hours to cool.
c) You get a sun burn from sitting in the sun all day.
d) You swim in a lake and notice in some areas, the water is warm but in others it's cold.

What method of heat transfer doesn't need molecules. It can travel in waves through outer space?
a) conduction
b) convection
c) radiation
d) laser beams

Which process occurs because of a difference of density between hot air and cold air?
a) radiation
b) conduction
c) convection
d) density

What is the process called when warm air in our atmosphere moves from one place to another?
a) conduction
b) convection
c) radiation
d) space stuff

Conduction is the transfer of energy by
a) objects (molecules) touching
b) the traveling of waves
c) the difference of densities
d) space beams

What is it called when cold air falls down and warm air pushes up?
a) convection
b) conduction
c) radiation
d) hippity hoppity

Heat always moves from the _______ object to the ________ object in a system.
a) hot, cool
b) cool, hot
c) big, little
d) little, big

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