Temp Choice

When 4 grams of a substance loses 4 calories in cooling 1°C, its specific heat capacity using water as the unit of measure, is _____.

1

A change in temperature of 10°C is equal to a change of

10K

Which temperature scale labels the freezing point of water at 0 degrees?

Celsius

Heat is measured in _____.

all of the above

Temperature is related mostly to the _____.

average molecular kinetic energy in a substance

The energy content of a piece of food is normally determined by _____.

burning the food

A bimetallic strip will bend when heated because _____.

each metal expands at different rates

Heat is the _____.

energy transferred between objects because of a temperature difference

Some molecules are able to absorb large amounts of energy in the form of internal vibrations and rotations. Materials composed of such molecules would have _____.

high specific heat capacities

The largest extremes in temperature are usually experienced _____.

in the middle of a continent

When an iron ring is heated, the hole becomes _____.

larger

The fact that desert sand is very hot in the day and very cold at night is evidence that sand has a _____.

low specific heat capacity

Specific heat capacity is related to the amount of internal energy _____.

needed to change the temperature of one gram of a substance one degree

Internal energy is the _____.

total amount of energy contained in an object

Which has the higher specific heat capacity, water or sand?

water

Which releases the most energy, 100 grams of 100°C water cooling to 50°C, or 100 grams of iron at 100°C cooling to 50°C? (The specific heat of iron is 0.12 cal/g°C.)

water

The reason fish live from year to year in ponds that freeze over in the winter is that _____.

water below the ice is 4 degrees above freezing

The reason an ocean's temperature doesn't vary much from one season to the next is that _____.

water has a high specific heat capacity

Which, at the same temperature, will cool more slowly on a hot day?

watermelon

Consider a gap cut into a metal ring. If the ring is heated, the gap becomes _____.

wider