click below
click below
Normal Size Small Size show me how
Thermal Energy &Heat
Key terms & study info for heat unit
| Question | Answer |
|---|---|
| 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 |