MULTIPLE CHOICE. Choose the one alternative that best completes the statement or answers the que
stion.
1) When you touch a cold piece of ice with your finger, energy flows 1) _______
A) from the ice to your finger.
B) from your finger to the ice.
C) actually both ways
2) The fact that desert sand is very hot in the day and very cold at night is evidence that sand has a 2)
_______
A) low specific heat capacity. B) high specific heat capacity.
3) A substance that heats up relatively quickly has a 3) _______
A) low specific heat capacity. B) high specific heat capacity.
4) The lowest temperature possible in nature is 4) _______
A) -273eC. B) 0eC. C) 4 K.
5)
Suppose you put a closed, sealed can of air on a hot stove burner. The contained air will undergo an incr
ease in 5) _______
A) pressure.
B) temperature.
C) thermal energy.
D) all of these
E) none of these
6) Consider a sample of water at 0eC. If the temperature is slightly increased, the volume of water 6)
_______
A) remains the same. B) contracts. C) expands.
ESSAY. Write your answer in the space provided or on a separate sheet of paper.
7) Distinguish between the concepts of heat, temperature, and thermal energy.
8) Distinguish between the first and second laws of thermodynamics in terms of whether or not exceptions occur.
MULTIPLE CHOICE. Choose the one alternative that best completes the statement or answers the que
stion.
9) A substance can absorb heat energy by the process of 9) _______
A) convection. B) conduction. C) radiation. D) all of these
10) An object will normally be a net radiator of energy when its temperature is 10) ______
A) higher than its surroundings.
B) lower than its surroundings.
C) neither of these
11) The molecules in a room-temperature glass of water jostle around at 11) ______
A) much the same rates of speed. B) a great variety of speeds.
12) When a solid is changed to a liquid phase, the solid 12) ______
A) releases energy.
