Heat And Heat Technology Question Preview (ID: 3499)


Ch 10. TEACHERS: click here for quick copy question ID numbers.

Railroad tracks have gaps between the rails so that they will not buckle in hot weather because of
a) thermal conductivity.
b) thermal insulation.
c) thermal expansion.
d) specific heat.

The boiling point of water on the Fahrenheit, Celcius, and Kelvin scales is, respectively,
a) 98.6 degrees F, 37 degrees C and 310 K
b) 32 degrees F, 0 degrees C, and 273 K
c) 68 degrees F, 20 degrees C and 293 K
d) 212 degrees F, 100 degrees C, and 373 K

Which of the following is NOT a common state of matter?
a) solid
b) superfluid
c) gas
d) liquid

The transfer of thermal energy through a substnace by direct contact is called
a) thermal conduction
b) radiation
c) convection
d) thermal insulation

Heat breaks and creates bonds between particles in a
a) physical change.
b) change of temperature.
c) change of state.
d) chemcial change.

The lowest possible temperature is
a) O degrees F
b) 273 K
c) O degrees C
d) O K

When a substance changes state, thermal energy
a) increases the kinetic energy of the substance's particles.
b) changes the arrangement of particles in the substance.
c) changes the chemical composition of the substance.
d) changes the temperature of teh substance.

In a bomb calorimeter, the energy released from a burning food sample is transferred to water, and so is calculated by the increase in the water's
a) specific heat
b) temperature
c) mass
d) conductivity

Thermal pollution increases the temperature of river or lake water, which
a) contaminates the water.
b) harms the animals living in the water.
c) intruduces new species to the water.
d) causes the water to boil.

If the particles of two substances have the same average 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.

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