Chapter 15 Quiz

The fact that desert sand is very hot in the day and very cold at night is evidence that sand has a. a low specific heat b. a high specific heat c. no specific heat

A. a low specific heat

Aluminum has a specific heat capacity more that twice that of cooper. Place equal masses of aluminum and copper wire in a flame and the one to undergo the fastest increase in temperature will be a. copper b. aluminum c. the same

A. copper

When you touch a cold piece of ice with your finger, energy flows a. from your finger to the ice b. from the ice to your finger c. both ways d. neither way

A. from your finger to the ice

If the specific heat of water were lower than it is, ponds in the cold of winter would be a. more likely to freeze b. less likely to freeze c. Neither more nor less likely to freeze

A. more likely to freeze

The fact that a thermometer "takes its own temperature" illustrates a. thermal equilibrium b. energy conservation c. the difference between heat and internal energy d. the fact that molecule are constantly moving

A. thermal equilibrium

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 c. minus 32 degrees C d. none -- ice can form at the surface regardless of the water temperature below

B. 4 degrees C

Consider a sample water at 0 degrees C. If the temperature is slightly increases, the volume of the water a. increases b. decreases c. remains the same

B. decreases

A temperature difference of 25 degrees Celsius is also equal to a temperature difference of 25 on the a. Fahrenheit scale b. Kelvin scale c. Rankine scale d. none of the above

B. kelvin scale

During a very cold winter, water pipes sometimes burst. The reason for this is a. the ground contracts when colder, pulling pipes apart b. water expands when freezing c. water contracts when freezing d. the thawing process releases pressure on the pipes

B. water expands when freezing

When a bimetallic bar made of copper and iron strips is heated, the bar bends toward the iron strip. The reason for this is a. iron gets hot before copper b. copper gets hot before iron c. copper expands more than iron d. iron expands more than copper

C. copper expands more than iron

The moderate temperatures of islands throughout the world has much to do with water's a. poor conductivity b. vast supply of internal energy c. high specific heat d. high evaporation rate e. absorption of solar energy

C. high specific heat

Ice has a lower density than water because ice a. sinks b. molecules are more compact in the solid state c. molecules vibrate at lower rates than water molecules d. is made of open-structured, hexagonal crystals e. density decreases with deceasing temperature

D. is made of open-structured, hexagonal crystals