The Heat and Temperature Test consists of 24 questions. Correct answers will be provided after your answers have been submitted. If they are available, possible solutions can be accessed by clicking an additional link at the bottom of the answer, which will open a problem solution screen. If you bring up such a solution screen be sure to close it by clicking the button in the upper left corner or upper right corner.

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1		Concerning the Celsius and Fahrenheit thermometer scales,
			A)	the Fahrenheit is more accurate since it has more degrees than the Celsius scale.
			B)	there is nothing special about either scale.
			C)	the Celsius is more precise since it has the same degree interval size as the Kelvin scale.
			D)	the Celsius is less precise since degrees below freezing are negative values.
2		Numbers on both the Fahrenheit and Celsius scales would have no meaning without
			A)	conversion equations.
			B)	Kelvin temperature scale.
			C)	two fixed points to which they are compared.
			D)	none of the above.
3		The two temperature scales with the same interval step size are the
			A)	Celsius and Fahrenheit.
			B)	Fahrenheit and Kelvin.
			C)	Kelvin and Celsius.
			D)	... this does not exist.
4		Suppose the volume of gasoline in your gas tank expands with warming temperatures. Do you now have more gasoline?
			A)	No, you still have the same mass of gasoline.
			B)	Yes, the volume increased and so has the mass.
			C)	No, the mass decreased as the volume increased to maintain the density.
			D)	Yes, the density and the volume increased.
5		Substance A has a higher specific heat than substance B. Which requires the most energy to heat equal masses of A and B to the same temperature?
			A)	Substance A
			B)	Substance B.
			C)	Both require the same amount of heat.
			D)	Answer depends on the density of each substance.
6		With all other factors being equal, the most likely to burn your mouth when taken directly from an oven is a food with
			A)	higher specific heat.
			B)	lower specific heat.
			C)	... specific heat is not important in this situation.
			D)	more information needed.
7		A large and a small container of water with the same temperature have
			A)	the same total amounts of internal energy.
			B)	the same amounts of internal and external energy.
			C)	different amounts of heat.
			D)	the same amounts of all forms of energy.
8		Anytime a temperature difference occurs, you can expect
			A)	cold to move to where it is warmer.
			B)	energy movement from high temperature regions.
			C)	no energy movement unless it is warm enough, at least above the freezing temperature.
			D)	energy movement flowing slowly from cold to warmer regions.
9		Which of the following quantities is one that cannot be used to measure an amount of heat?
			A)	Joule.
			B)	Calorie.
			C)	Btu.
			D)	Any of these can be used to measure heat.
10		As you go to higher elevations above sea level the boiling point of water
			A)	decreases.
			B)	increases.
			C)	stays the same.
			D)	changes with the initial temperature of the water.
11		Increasing the rate of heating under a pot of boiling water will
			A)	increase the temperature of the boiling water.
			B)	increase the rate of boiling, but not the temperature.
			C)	increase both the rate of boiling and the temperature of the boiling water.
			D)	all of the above.
12		As a solid goes through a phase change to a liquid, heat is absorbed and the temperature
			A)	increases.
			B)	decreases.
			C)	remains the same.
			D)	fluctuates.
13		The transfer of energy from molecule to molecule is called
			A)	convection.
			B)	radiation.
			C)	conduction.
			D)	equilibrium.
14		No water vapor is added to or removed from a sample of air that is cooling, so the relative humidity of this sample of air will
			A)	remain the same.
			B)	be lower.
			C)	be higher.
			D)	the answer depends on the temperature.
15		Compared to cooler air, warm air can
			A)	hold more water vapor.
			B)	less water vapor.
			C)	the same amount of water vapor.
			D)	the answer depends on the exact temperature at the time.
16		A heat pump is able to produce cooler temperatures because the refrigerant is
			A)	a cool liquid that is pumped through the system.
			B)	evaporated in the cool part by reduction of pressure.
			C)	condensed in the cool part by the action of the compressor.
			D)	a working fluid that produces thermal energy from electrical.
17		The average human body temperature is 98.6° F. What is the equivalent temperature on the Celsius scale?
			A)	22.8° Celsius.
			B)	37° Celsius.
			C)	51.2° Celsius.
			D)	209.48° Celsius.
18		A science article refers to a temperature of 300.0 K. What is the equivalent Fahrenheit temperature?
			A)	17° F.
			B)	80.6° F.
			C)	549° F.
			D)	572° F.
19		How much heat must be supplied to a 1.0 kg iron pan to raise its temperature from 20.0 degree to 100.0° C?
			A)	8.8 kcal.
			B)	11 kcal.
			C)	22 kcal.
			D)	44 kcal.
20		A bicycle and rider have a combined mass of 120 kg. How many calories of heat are generated in the brakes when the bicycle comes to a stop from a speed of 18 km/hr?
			A)	6.3 kcal.
			B)	360 cal.
			C)	71.7 cal.
			D)	19,440 cal.
21		A 75.0 kg person consumes a small order of French fries (250.0 Calories) and wishes to "work off" the energy by climbing a 10.0 meter stairway. How many trips up the stairs are needed to use all the energy?
			A)	418.
			B)	142.
			C)	3.3.
			D)	7.5.
22		A 300.0 watt immersion heater is used to heat 250.0 g of water from 10.0 degree C to 70.0 degree C. How many minutes did this take?
			A)	3.48 min.
			B)	4.17 min.
			C)	75.0 min.
			D)	150.0 min.
23		How much heat is needed to change 250.0 g of ice at 0o C to water at 0o C?
			A)	250 kcal
			B)	450 kcal
			C)	20.0 kcal
			D)	550 kcal
24		In an electric freezer, 400.0 g of water at 18.0 degree C is cooled, frozen, and the ice is chilled to -5.00 degree C. How much total heat was removed from the water?
			A)	39.2 kcal
			B)	40.2 kcal
			C)	47.4 kcal
			D)	92 kcal