Across
- 4. the fundamental principle of physics that the total energy of an isolated system is constant despite internal changes
- 5. activity directed toward making or doing something
- 6. the force of attraction between all masses in the universe
- 9. a unit of electrical energy
- 10. that part of the energy a substance that can be released by chemical reaction
- 12. skillfulness in avoiding wasted time and effort
- 13. energy made available by the flow of electric charge through a conductor
- 15. energy stored by a body or system by virtue of its position
- 16. energy that is transmitted in the form of radiation
- 17. potential energy that is sorted when a body is deformed
Down
- 1. the energy released by a nuclear reaction
- 2. the mechanical energy that a body has by virtue of motion
- 3. careful management of the environment and natural resources
- 5. the energy given by the machine to do useful work
- 7. energy in a mechanical form
- 8. the amount of energy supplied to the machine
- 11. spectrum- the entire frequency range of electromagnetic waves
- 14. forceful exertion