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