| A | B |
|---|
| chemical energy | the energy that is stored in chemical bonds |
| solar power | the energy transmitted from the sun in the form of electromagnetic radiation |
| electrical energy | another term for electricity |
| energy | a fundamental building block of the universe; it appears in different forms and can travel in different ways |
| energy transformations | the conversion from one kind of energy to another kind of energy, for exampe, an energy transformation occurs when potential energy is converted to kinetic energy |
| heat | a flow of thermal energy from one object to another object due to a temperature difference |
| horsepower | a unit of power; one horsepower is equal to 746 watts |
| joule | a unit for measuring work; a joule is equal to one newton of force times one meter of distance; the abbreviation is j |
| watt | the metric, or SI, unit of power. |
| work | the quantity of force times distance; the result of machines performing tasks |
| kinetic energy | energy that comes from motion. |
| law of conservation of energy | Energy can never be created or destroyed, just transformed from one form to another |
| nuclear energy | the form of energy that comes from splitting the nucleus of an atom, or fusing two nuclei of an atom |
| potential energy | stored energy that comes from position. |
| power | the rate at which work is done. |
| radiant energy | another term for electromagnetic energy |
| radiation | the process of emitting radiant energy |
| effeciency | the ratio of a machine’s output work to input work |
