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Heat

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-- Questions --

MULTIPLE CHOICE.

Choose the one alternative that best completes the statement or

answers the question.

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1) If you stake out a plot of land with a steel tape on a very hot day, the amount of land you will have will be A) correct. B) too large. C) too small.

2) Before ice can form on a lake, all the water in the lake must be cooled to A) zero degrees C. B) 4 degrees C.

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3) If the specific heat of water were lower than it is, ponds in the cold of winter would be A) neither more nor less likely to freeze. B) less likely to freeze. C) more likely to freeze.

4) If glass expanded more than mercury, then the column of mercury in a mercury thermometer would rise when the temperature A) decreases. B) increases. C) neither of these.

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5) Which of the following contracts most when the temperature is decreased? Equal volumes of A) helium. B) water. C) wood. D) iron. E) all contract the same.

6) When an iron ring is heated, the hole becomes A) smaller. B) neither smaller nor larger. C) larger.

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7) Some molecules are able to absorb large amounts of energy in the form of internal vibrations and rotations. Materials composed of such molecules have A) low specific heats. B) high specific heats.

8) Which of the following expands most when the temperature is increased? Equal volumes of A) ice water. B) wood. C) helium. D) iron. E) All expand the same.

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9) When water at 4 degrees C is heated it expands. When water at 4 degrees C is cooled, it

A) expands. B) neither contracts nor expands. C) contracts.

10) Room temperature on the Kelvin scale is about A) 100 K. B) 300 K. C) 400 K. D) 200 K. E) more than 400 K.

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11) Ice tends to form at the A) surface of bodies of water. B) bottom of bodies of water.

12) During a very cold winter, water pipes sometimes burst. The reason for this is A) the thawing process releases pressure on the pipes. B) water contracts when freezing. C) the ground contracts when colder, pulling pipes apart. D) water expands when freezing. E) none of these.

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13) Which of the following expands most when the temperature is lowered? Equal volumes of

A) water at 4 degrees C. B) helium. C) wood. D) iron. E) None expands when the temperature is lowered.

14) Between 0 degrees Celsius and 8 degrees Celsius a red-dyed-water-in-glass thermometer would

A) always be wrong. B) explode. C) give ambiguous readings. D) be especially suitable. E) implode.

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-- Answers --

MULTIPLE CHOICE.

The one alternative that best completes the statement or

answers the question.

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Chapter 15

1) Answer: B 2) Answer: B 3) Answer: C 4) Answer: A 5) Answer: A 6) Answer: C 7) Answer: B 8) Answer: C 9) Answer: A 10) Answer: B 11) Answer: A 12) Answer: D 13) Answer: A 14) Answer: C