Across
- 4. a substance or matter in a state in which it will expand freely to fill the whole of a container, having no fixed shape (unlike a solid) and no fixed volume (unlike a liquid).
- 5. a roughly circular line, route, or movement that starts and finishes at the same place.
- 7. Electric power is the rate, per unit time, at which electrical energy is transferred by an electric circuit.
- 9. power electric or motive power generated by a nuclear reactor.
- 11. a measure of electrical power expressed in watts.
- 12. another term for power plant.
- 15. able to be maintained at a certain rate or level.
- 16. having an electric charge.
- 17. power derived from the utilization of. physical or chemical resources, especially to provide light and heat or to work machines.
Down
- 1. comprises branches so that the current divides and only part of it flows through any branch.
- 2. a minute portion of matter.
- 3. an electromotive force or potential difference expressed in volts.
- 6. the SI unit of work or energy, equal to the work done by a force of one newton when its point of application moves one meter in the direction of action of the force, equivalent to one 3600th of a watt-hour.
- 8. a substance or device which does not readily conduct electricity.
- 10. a natural fuel such as coal or gas, formed in the geological past from the remains of living organisms.
- 13. relating to or determined by the sun.
- 14. a container consisting of one or more cells, in which chemical energy is converted into electricity and used as a source of power.