Use LEFT and RIGHT arrow keys to navigate between flashcards;
Use UP and DOWN arrow keys to flip the card;
H to show hint;
A reads text to speech;
11 Cards in this Set
- Front
- Back
One unit used to measure thermal energy and heat is the _______.
|
calorie
|
|
The _____ is based on specific heat (that is quantity of heat required to raise the temperature of 1 gram of water 1 degree Celsius.
|
calorie
|
|
Specific heat is often measured in ______ per gram per degree Celsius.
|
calorie
|
|
What is the unit of measure used with foods?
|
The Calorie (which is really a kilocalorie - 1,000 calories)
|
|
The most common unit of heat and thermal energy is the __ ___ ____ (BTU).
|
British Thermal Unit
|
|
The ____ is the amount of heat exchanged when 1 pound of water changes temperature by 1 degree, either up or down.
|
BTU (British Thermal Unit)
|
|
One BTU is equivalent (equal to) to about _______ calories.
|
252 calories
|
|
The change in thermal energy of a material can be found in a ________.
|
calorimeter
|
|
What is the formula for the change in thermal energy?
|
Change in thermal energy =
specific heat x change in temp. x mass |
|
Thermal energy has the ability to do ____ as it is tranferred.
|
work
|
|
Give examples of thermal energy performing work.
|
the heat of burning coal to power steam engines
the heat of burning fuel to move cars and planes |