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ch 1
physicall science
| Question | Answer |
|---|---|
| what is conduction? | transfer of energy by bulk movement of particles. |
| How does air circulate in a forced air heating system? | convection |
| internal compustion system? | burns fuel inside the engine in chambers called cylinders. |
| Can solar energy be changed into thermal energy without work being done? | Yes |
| What material absorbs the most radiant energy | Dark material |
| what is the measure of average kenetic energy of all particles in an object? | Temperature |
| A material that reduces the flow of heat by conduction, convection, and radiation | insulator |
| What are good conductors of heat | metals |
| the transfer of matter that does NOT require matter is | Radiation |
| Energy travels from the sun to earth as... | Radiation waves |
| the inside surface of the glass inside a vacume bottle is coated with aluminum to prevent heat loss by... | Radiation |
| Solar collectors are part of an... | active solar heating system |
| Refrigerators and air conditioners are examples of | heat movers |
| the process by which an engine burns fuel is | power |
| gasoline engines and diesel enginess are | internal combustion systems |
| revoves thermal energy and transfers it to another at a different temperature. | Forced air system |
| a device that converts thermal energy into mechanical energy | heat engine |
| through which phase of matter will convection most likely occur? | Gas |
| what is the correct sequence of strokes in a four stroke engine | intake, compression, power, exaust |