Across
- 1. wavelength short
- 4. energy possesses by virtue of being in motion
- 8. equivalent to one joule per second
- 10. the degree of compactness of a substance
- 11. the ability to do something
- 12. equal to the work done by a force
- 13. group of atoms bonded togetherel
- 14. large body of matter
- 18. energy released during nuclear fission/fusion
- 19. energy physical energy resulting from radiation
Down
- 2. energy resulting from charged particles
- 3. of something in a given direction
- 5. electromagnetic radiation
- 6. strength and vitality required for activity
- 7. energy Energy stored in chemical compounds
- 9. energy responsible for its temperature
- 11. energy the energy possessed by a body
- 15. something is able to move or operate
- 16. electromagnetic waves or as moving particles
- 17. heat or electricity is directly transmitted
- 18. give a mass of one kilogram an acceleration