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10 questions
How does heat move?
from a warmer to a cooler object
from a cooler to a warmer object
toward a hot object
away from a cold object
How is energy from the Sun transferred?
by radiation
by conduction
by convection
by the force of gravity
Heat from which of these causes convection currents inside the Earth?
crust
crust and mantle
crust and core
mantle and core
Which of these combines with changes in a fluid's density and the force of gravity to set convection currents in motion?
evaporation of a fluid
condensation of a fluid
freezing and melting of a solid
heating and cooling of a fluid
__________ is the transfer of heat by the movement of a fluid.
Conduction
Convection
Radiation
When you heat up an object, the particles in the object move _________.
faster
the same speed
slower
Cold water has ______________ density than warm water.
less
more
the same
When you touch hot sand, heat is transferred by _________ to your skin.
conduction
convection
radiation
_____________, convection, and conduction are the three types of heat transfer.
Conveyance
Radiation
Translocation
The amount of mass in a given volume of a substance is know as __________.
density
volume
weight
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