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Thermal Energy &Heat

Key terms & study info for heat unit

QuestionAnswer
The total amount of energy in the particles of an object Thermal Energy
The measure of the average amount of energy of the particles of an object Temperature
The Temperature at which no more energy can be removed from matter Absolute Zero
Thermal energy that is transferred from one object to another Heat
The transfer of heat by movement of a fluid Convection
The transfer of heat from one particle to another by direct contact Conduction
The transfer of energy by electromagnetic waves Radiation
The movement of a fluid caused by differences in temperature that transfers heat from one part of the fluid to another Convection Current
A material that does not conduct heat well insulator
A material that conducts heat well Conductor
In what direction is heat always transferred? From a warmer object to a cooler object
The state when two objects reach the same temperature Equilibrium
What happens to the molecules in a substance as it is heated? They move faster
Which is a better conductor of heat, metal or plastic? Metal
Which is a better insulator, glass or cotton? Cotton
What causes the frying pan on a stove to get hot? Conduction
What causes a can of soda to get warm if you leave it in the sun? Radiation
What happens to the volume (size) of a substance as it is heated? It Expands
What type of heat transfer causes warm air to rise? Convection
Why would a winter coat be made of wool instead of plastic? Wool is a better insulator and will keep you warm
Created by: res.gilbert