Thermal Test 4 Question Preview (ID: 4907)


Thermal Review Continued. TEACHERS: click here for quick copy question ID numbers.

If you were caught in freezing weather with only a candle for heat, you would be warmer in
a) An igloo
b) A wooden house
c) A tent
d) A car

The reason the Sun’s radiant energy is of shorter wavelengths than the Earth’s is because the Sun
a) Has more thermal energy
b) Has a higher temperature
c) Is an energy source
d) All of these

The planet Earth loses heat mainly by
a) Conduction
b) Convection
c) Radiation
d)

Evaporation is a cooling process and condensation is a
a) Warming process
b) Cooling process
c) Neither
d)

Evaporation is a cooling process because
a) Heat is radiated during the process
b) Of conduction and convection
c) The more energetic molecules are able to escape
d) None of these

Steam burns are more damaging than burns cause by boiling water because steam
a) Gives up additional energy when it condenses
b) Has more energy than boiling water
c) Both of these
d)

We feel uncomfortably warm on a muggy day because water molecules are
a) Evaporating from our moist bodies
b) Condensing on our bodies
c) Preventing the evaporation from our moist bodies
d)

We are warmed by condensation because water molecules in the air that strike our bodies
a) Transfer some of their kinetic energies to us
b) Gain kinetic energy as they change state
c) Form an insulating layer on our bodies
d)

When heat is added to boiling water, the water temperature
a) Increases
b) Decreases
c) Stays the same
d)

When a gas is changed to a liquid phase, the gas
a) Releases energy
b) Absorbs energy
c) Neither
d)

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