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