PHYSICS FINAL CH8

If glass expanded more than mercury, then the column of mercury in a mercury thermometer would rise when the temperature?

decreases

Which of the following normally warms up fastest when heat is applied?

iron

Unit of heat energy?

joules and calories

A temperature difference of 10 degrees Celsius is also equal to a temperature difference of 10 on the?

kelvin scale

A substance that heats up relatively quickly has a?

low specific heat

Heat energy travels from an object with a high?

temperature to an object with a lower temperature

Room temperature on the Kelvin scale is about?

300K

Before ice can form on a lake, all the water in the lake must be cooled to?

4 degree C

Aluminum has a specific heat capacity more than twice that of copper. Place equal amounts of aluminum and copper wire in a flame and the one to undergo the fastest increase in temperature will be?

copper

When a bimetallic bar made of copper and iron strips is heated, the bar bends toward the iron strip. The reason for this is?

copper expands more than iron

Consider a sample of ice at 0 degrees C. If the temperature is decreased, the volume of ice?

decreases