Physical Science - Chapter 10 Part 2: Question Preview (ID: 2281)

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If the particles of two substances have the same total kinetic energy, then:
a) the specific heats of the substances are identical.
b) the particles will not react chemically.
c) the substances have equal thermal energies.
d) the substances have equal temperatures.

In both hot-water and solar-heating systems, the thermal energy from heated water circulates through the air of a room by
a) convection
b) conduction
c) ventilation
d) radiation

The glass of a window pane feels cooler to the touch than the wood frame surrounding the glass. This is because
a) wood is a better thermal insulator than glass.
b) glass is always at a lower temperature than wood.
c) wood is a better thermal conductor than glass.
d) wood contains more thermal energy than glass.

Thermal energy that flows between an object at a higher temperature to an object at a lower temperature is called
a) heats2
b) specific heat
c) conduction
d) thermal expansion

The increase in the volume of a substance that results from an increase in the substance’s temperature is called
a) thermal expansion
b) specific heat
c) heat
d) conduction

In which state does water have the lowest average kinetic energy?
a) solid
b) gas
c) liquid
d) Each state has the same kinetic energy.

A physical property with a higher value for water than for air, so that the temperature of water changes more slowly than does the temperature of air is
a) specific heat
b) conduction
c) thermal expansion
d) heat

Which of these is not a kind of thermal energy transfer?
a) conversion
b) conduction
c) convection
d) radiation

Why do the condenser coils in back of a refrigerator feel warm?
a) Thermal energy is removed from inside.
b) Warm air collects behind the refrigerator.
c) Coils are always warm.
d) Thermal energy is brought from the outside.

During a change of state from ice to liquid water:
a) Heat continues to be added and temperature goes up
b) Heat continues to be added and temperature goes down
c) Heat continues to be added and temperature doesn't change
d) Heat continues to be added and temperature goes up then comes down

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