Page 9 - Finalll Science BB Prep2 t1 2025_Neat

Existence:
1- Most of matter in outer space (in sun, stars, cosmic nebulae)

2- Lightning

3- Polar Aurora (Aurora borealis)
Technological application:

Plasma in AC improves the quality of air in enclosed spaces.

1- Gases are passed through a high electric field to be converted into ions.

2- The charged gas ions break harmful air pollutants, germs & viruses.
(makes air purer)

First Term 10