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- 1. Multiple Choice
Energy radiated by a hot object is carried in
sound waves.
electromagnetic waves.
both sound and electromagnetic waves.
thermal energy.
- 2. Multiple Choice
Which of the following emit radiant energy?
earth
ice cube
sun
all of these and every other object
- 3. Multiple Choice
When your foot stands on a tile floor, thermal energy
flows from the tile to your foot.
flows from your foot to the tile.
flows wither way depending on the temperature of the tile.
doesn't flow in this case.
- 4. Multiple Choice
When the temperature of a strip of iron is increased, the strip
shrinks in every dimension.
gets bigger in every dimension.
gets longer but shrinks in width.
gets wider more than it gets longer.
- 5. Multiple Choice
Water has a high specific heat capacity, which means that water
absorbs a lot or energy for a small increase in temperature.
gives off a lot of energy in cooling.
requires a lot of energy in order to increase in temperature.
All of the above
- 6. Multiple Choice
The First Law of Thermodynamics is a restatement of the
conservation of momentum.
conservation of energy.
both energy and momentum conservation.
neither energy nor momentum conservation.
- 7. Multiple Choice
The Second Law of Thermodynamics tells us that heat doesn't flow from
cold to hot ever.
hot to cold ever.
hot to cold without external energy.
cold to hot without external energy.
- 8. Multiple Choice
The Third Law of Thermodynamics has to do with
the direction of time.
energy dissipation.
absolute zero.
the conservation of energy.
- 9. Multiple Choice
Which of these is the largest amount of energy?
1 calorie
1 joule
1 Calorie
All are the same
- 10. Multiple Choice
The amount of heat transferred to a system can be measured in
watts.
kilograms.
calories only.
calories or joules.
- 11. Multiple Choice
As a gas initially at 00C is cooled at constant pressure, WHAT QUANTITY decreases by 1/273 for each degree cooled?
Volume
Thermal Energy
Temperature
- 12. Multiple Choice
Whether one object is warmer than another has to do with
thermal expansion.
thermal equilibrium.
molecular kinetic energy.
gravitational potential energy.
- 13. Multiple Choice
The kinetic theory of matter states that atoms and molecules are
particles of all matter.
always in random motion.
what composes solids, liquids, and gases.
always emitting energy.
- 14. Multiple Choice
The warmer an object is, the greater is its
thermal energy.
conductivity.
potential energy.
- 15. Multiple Choice
Thermal energy is the result of particle having
vibratory motions.
rotational motions.
translational motions.
All of the above
- 16. Multiple Choice
The temperature of absolute zero is
273oC.
273 kelvin.
0oC.
0 kelvin.
- 17. Multiple Choice
Water changes from a liquid to a solid at a temperature of
0oC.
-273 kelvin.
0 kelvin.
-273oC.
- 18. Multiple Choice
Heat is simply another word for
temperature.
thermal energy.
thermal energy in transit (flowing from one place to another).
- 19. Multiple Choice
Which of these temperatures could result from mixing a container of water at 20oC with one at 24oC?
19oC
22oC
24oC
more than 24oC
- 20. Multiple Choice
If something is cold, it has decreased
kinetic energy.
gravitational potential energy.
thermal energy.
heat.
- 21. Multiple Choice
The amount of heat needed to raise the temperature of 1 gram of water by 1oC is the
joule.
calorie.
watt.
newton.
- 22. Multiple Choice
As entropy in a system increases, energy in the system
is no longer conserved.
becomes less ordered and spread out.
becomes more ordered and confined.
reaches equilibrium.
- 23. Multiple Choice
Your closet gets messier day by day. In this case entropy is
decreasing.
increasing.
hanging steady.
None of the above
- 24. Multiple Choice
Hot sand cools off faster at night than plants and vegetation. This indicated that the specific heat capacity for sand is
less than that of plants.
morethan that os plants.
likely the same as that of plants.
- 25. Multiple Choice
If a certain material heats up quickly and cools down quickly, the material has
no specific heat capacity to speak of.
a low specific heat capacity.
a high specific heat capacity.
- 26. Multiple Choice
Water at room temperature
expands when heated.
is in a liquid state.
becomes a bit less dense when heated.
All of the above.
- 27. Multiple Choice
Thermal conduction mostly involves the motion of
electrons.
protons.
neutrons.
ions.
- 28. Multiple Choice
Thermal convection is linked mostly to
radiant energy.
insulators.
fluids.
All of the above
- 29. Multiple Choice
Hot tea is poured into two metal containers of the same size, one black and the other silver. The container that loses heat more slowly will be the
black one.
silver one.
both the same.
None of the above
- 30. Multiple Choice
Heat comes from the sun to Earth by the process of
conduction.
convection.
radiation.
conduction and convection, through radiation is greater.
- 31. Multiple Choice
Which of the following emit radiant energy?
earth
ice cube
sun
all of these and every other object
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