Physics Quiz Chapter 21

A change in temperature of 10 degrees C is equal to the change of...

10 K.

A container of water as its smallest volume at...

4 degrees C.

One thousand calories of heat are added to 150 grams of water when its temperature is 33 degrees C. The resulting temperature of the water is...

40 degrees C.

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

Celsius.

Which releases the most energy, 100 grams of 100 degree C water cooling to 50 degrees C, or 100 grams of iron at 100 degree C cooling to 50 degree C?

Water

Mix some 70 degree C water with some 40 degree C water and you'll get water at...

a temperature depending on the masses of water.

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.

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

expands.

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 the 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.

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

water

Which of the following expands when the temperature is lowered?

water at 4 degrees C.

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.

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

wider.