Across
- 4. A dynamo or similar machine for converting mechanical energy into electricity.
- 5. A fundamental entity of nature that is transferred between parts of a system in the production of physical change within the system and usually regarded as the capacity for doing work.
- 7. A result of a force moving an object a certain distance.
- 8. Energy Any source of energy other than fossil fuels that is used for constructive purposes.
- 10. The potential difference measured in volts. The amount of work to be done to move a charge from one point to another along an electric circuit.
- 11. Energy The energy that a piece of matter has because of its position or nature or because of the arrangement of parts.
- 13. Plant materials and animal waste used especially as a source of fuel.
- 15. The unit of electric current in the meter-kilogram-second system of units. Referred to as amp and symbolized as A.
- 16. Circuit A circuit in which all parts are connected end to end to provide a single path of current.
- 17. Energy Energy which a body possesses by virtue of being in motion.
- 19. The flow of electrical power or charge.
- 20. A machine for producing power in which a wheel or rotor is made to revolve by a fast-moving flow of water, steam, gas, or air.
- 22. The opposition that a device or material offers to the flow of direct current.
- 24. Fuel A natural fuel such as coal or gas, formed in the geological past from the remains of living organisms.
- 25. Energy An energy source that will never run out.
- 28. Law States that the direct current flowing in an electric circuit is directly proportional to the voltage applied to the circuit.
- 29. Converter Changes one form of power to another.
- 30. Conversion Changing one form of energy to another.
- 31. Energy The state when objects are not yet in motion.
- 33. Grid A system that links electricity produced in power stations to deliver it to where it is needed.
Down
- 1. Energy Energy caused by the movement of electrons.
- 2. Energy A resource that cannot be replaced once used.
- 3. Energy A resource that can be replaced when needed.
- 6. The ratio of the useful energy delivered by a dynamic system to the energy supplied to it.
- 9. Protection Agency An organization that works to develop and enforce regulations that implement environmental laws enacted by Congress.
- 12. The unit of potential difference symbolized as V.
- 14. Energy The use of heat from within the Earth or from the atmosphere near oceans.
- 18. The production of an electric or magnetic state by the proximity (without contact) of an electrified or magnetized body.
- 21. Induction The production of electricity in conductors with the use of magnets.
- 23. The unit of electric resistance in the meter-kilogram-second system of units. Symbolized as Ω.
- 26. The net transfer of electric charge (electron movement along a path) per unit of time.
- 27. The rate at which work is performed or energy is expended.
- 29. Circuit A closed electrical circuit in which the current is divided into two or more paths and then returns via a common path to complete the circuit.
- 32. The rotating member of an electrical machine.