Energy Sources

1. a system that links electricity produced in power stations to deliver it to where it is needed
3. transfer of heat within an object or between objects by molecular activity.
4. the unit of potential difference
7. a measure of thermal transmittance through a material
9. changing energy from one form to another
11. the process of separating the hydrogen-oxygen bond in water using electric current
14. _____________energy is a source of energy other than fossil fuels that is used for constructive purposes
15. net transfer of electric charge per unit time
16. energy that transmitted through space
17. electrical energy created from a water molecule
18. ability to do work

2. the opposition that a device or material offers to the flow of current
5. a result of a force moving an object
6. a unit of absolute temperature based upon absolute zero
8. the ratio of the useful energy delivered by a dynamic system to the energy supplied to it
10. an energy source that will never run out
12. plant materials and animal waste used especially as a source of fuel
13. type of circuit which is divided into two or more paths and then returns via a common path