Across
- 6. the range of wavelengths or frequencies over which electromagnetic radiation extends
- 7. protection of resources
- 8. energy that an object has while its in motion
- 9. energy that is transferred by electromagnetic radiation
- 10. the force that attracts a body toward the center of the earth
- 12. getting something done with little effort and getting it done right
- 14. the energy released during nuclear fission or fusion
- 15. the transfer of energy by force on an object as it is displaced
- 16. the SI unit for energy
- 17. the energy possessed by a body because of its position relative to others
- 18. energy stored in the bonds of chemical compounds
- 19. the strength and vitality required for sustained physical or mental activity
Down
- 1. the amount of energy supplied to a machine
- 2. energy stored in objects when they are under temporary strain
- 3. the work done by a machine
- 4. the energy that is possessed by an object due to its motion or due to its position
- 5. energy can neither be created no destroyed
- 11. the amount of motion of a moving body, measured as a product of its mass and velocity
- 13. energy related to forces on electrically charged particles