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26 Cards in this Set
- Front
- Back
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Freezing |
The change of state from a liquid to a solid is called .... |
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Melting |
The change of state from a solid to a liquid is called .... |
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Change of state |
The physical change from one state of matter to another is called .... |
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States |
Solids / Liquids / Gases |
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insulator |
a material that does NOT conduct heat well is called an .... ex: wood, wool, straw |
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Conductor |
a material that conducts heat well is called a ... ex: Metals; silver, stainless steel |
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Radiation |
the transfer of energy by electromagnetic waves |
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Convection Current |
a circular motion caused when heated water rises and cooler water flows into its place |
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Convection |
heat is transferred by the movement of currents within a fluid |
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Conduction |
when heat is transferred from one particle of matter to another without the movement of the matter |
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Specific heat |
The amount of energy required to raise the temperature of 1 Kilogram of a material by 1 Kelvin is called its ... |
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Change in energy |
Mass X Specific heat X change in temperature |
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heat |
Thermal energy that is transferred from matter at a higher temperature to matter at a lower temperature is called ....
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Temperature |
is a measure of the average kinetic energy of the individual particles in matter |
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Fahrenheit Scale |
is the most commonly used temperature scale in the US |
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Celsius Scale |
most common temperature scale in nearly all other countries |
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Kelvin Scale |
The temperature scale commonly used in physical science |
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absolute zero |
Zero on the kelvin scale represents -273c and is called .... |
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refrigerant |
A substance called a _______ absorbs and releases heat in a refrigerator |
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internal combustion engines |
ex: diesel & gasoline engines Engines that burn fuel in cylinders inside the engine are called |
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external combustion engines |
Engines that burn fuel outside the engine in a boiled are called .... |
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heat engine |
The transformation of thermal energy to mechanical energy requires a device called a .... ex: coal-burning steam locomotive |
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thermal expansion |
The expanding of matter when it is heated is known as ..... |
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Condensation |
a change from the gas state to the liquid state is called |
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boiling |
at higher temperatures vaporization can occur below the surface of a liquid. The process is called .... |
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evaporation |
If vaporization takes place at the surface of a liquid its called .... |
