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Chapter 4
Temperature and Heat
14
Science
8th Grade
01/11/2012

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Term
Kinetic Theroy of Matter 
Definition
A theory which states that the particles that make up  matter are in constant motion. 


Term
Temperature 
Definition
A measure of the average kinetic energy of all the paricles in an object.
Term
Degrees
Definition
Tempature is meausered in degrees which are equally space units between wo points 
Term
Thermometer
Definition
Measures temperature through the regular variation of some physical property of the material inside the thermometer.
Term
Heat
Definition
Is a flow of energy from one object at a higher temperature to an object at a lower temperature
Term
Thermal Energy
Definition
Is the total random kinetic energy of particles in an object.
Term
Calorie
Definition
Is the amount of energy needed to raise the tempertaure of 1 gram of water by 1c.
Term
joule 
Definition
Is the standard scientific unit in which energy is measured
Term
Specific Heat
Definition
The amount of energy requried to raise the temperature of 1 gram of a substance by 1c.
Term
Conduction 
Definition
Is the process that moves energy from one object to another when they are touching physically.
Term
Conductors
Definition
Are materials that transfer energy easily.
Term
Insulators
Definition
Are poor conductors.
Term
Convection
Definition
Is the process that transfers energy by the movement of large numbers of particles in the same direction within a liquid or gas.
Term
Radiaton
Definition
Is energy that travels as electromagnetic waves.
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