Thermal Energy Question Preview (ID: 53748)


Test Your Knowledge Over Heat And Heat Transfers. TEACHERS: click here for quick copy question ID numbers.

Conduction is the transfer of heat by
a) molecular contact
b) density differences
c) electromagnetic waves
d) movement through a vacuum

During which process of energy exchange does cold air displace warmer air?
a) Conduction
b) Convection
c) Radiation
d)

During which process does heat transfer occur because of density differences?
a) Conduction
b) Convection
c) Radiation
d)

Thermal energy transferred from the Sun to Earth is an example of what type of heat transfer?
a) Conduction
b) Convection
c) Radiation
d)

Holding on to a hot coffee mug is an example of what type of heat transfer?
a) Conduction
b) Convection
c) Radiation
d)

Which has a lower specific heat?
a) Water
b) Sand
c)
d)

If something has a lower specific heat then...
a) it will increase in heat quicker.
b) it will increase in heat slower.
c)
d)

Which of the following is true when the temperature of a substance increases?
a) Kinetic energy decreases and collisions increase.
b) Kinetic energy increases and collisions decrease.
c) Kinetic energy decreases and collisions decrease.
d) Kinetic energy increases and collisions increase.

If object A has more mass than object B and both objects have the same temperature, which object has more thermal energy?
a) Object A
b) Object B
c) They both have equal amounts of thermal energy.
d)

Heat will always flow from...
a) cold to hot
b) hot to cold
c)
d)

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