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Heat Energy at Home Flashcards | StudBud
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Heat Energy at Home
Heat Energy at Home
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Reading comprehension convection conduction radiation
Flashcards
13 cards
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Practice quiz
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Questions
13
Answers
1
Radiation is absorbed best by objects
that are involved in conduction.
objects that are hot.
that have dull, uneven surfaces.
that have shiny, smooth surfaces.
2
The heating of a metal spoon in a pan of hot chocolate occurs due to
radiation
conduction
convection
3
Heat transfer through the fluid, circular movement of a substance is
conduction
radiation.
electron
convection
4
In the context of this passage, what does transfer mean?
to exchange ownership
to move from one place to another
a ticket that allows you to change busses
to change jobs.
5
From the passage, it is possible to conclude that the transfer of heat energy
is going on all the time.
requires close supervision.
takes place only in your home.
is due primarily to radiation.
6
From the passage, it is possible to infer that a microwave oven heats food by the transfer
of heat energy by convection.
of heat energy by conduction.
of heat energy by radiation.
7
An ice cube on a sunny window sill melts because
convection currents form within the ice.
it absorbs more radiation than it emits.
free electrons move from the ice into the air.
8
In the context of this passage, what is a current?
occurring in the present time
a steady flow
generally accepted
cash
9
When cold milk is poured into hot coffee, the milk swirls around primarily because of
the formation of convection currents.
heat radiation emitted from the coffee.
conduction of heat from the coffee to the milk.
10
Choose the correct answer.
incorrect
correct
incorrect
correct
11
All objects
only absorb radiation.
only emit radiation.
both emit and absorb radiation.
12
An old metal plate gives off more radiation than
a flame.
an iron.
a new dime.
13
On a sunny day, wearing a black shirt makes a person feel hotter because the black shirt
absorbs more radiation from the sun.
emits more radiation.
forms convection currents from the sun.
conducts heat from your body.
