Across
- 3. visible lightning
- 7. electrical or plumbing component of a building that grounds it
- 9. this type of volcanic activity can cause lightning
- 11. the general study of weather
- 12. unit of time used to measure the duration of a lighting flash
- 14. the discharfe of electrical energy in the atmosphere
- 15. distance in miles traveled by the average lightning flash
- 16. the sound that accompanies lightning
- 17. billions of watts
Down
- 1. unit of power that measures the electrical potential of lightning
- 2. type of electrical charge that gives rise to lightning
- 4. fear of lightning
- 5. scientists who study lightning
- 6. type of capacitor use by "Doc" Brown
- 8. metal reinforcers in concrete
- 10. when air molecules become electrically charged
- 13. a nuclear explosion
- 18. term used when lightning connects with an object