Across
- 4. positive particle of matter that is part of the nucleus of an atom
- 8. an apparatus for reducing or increasing voltage of alternating current
- 9. a type of polymer used to make non-stick pans
- 10. an arrangement of numbers in a pattern used for solving mathematical problems
- 12. a type of energy
- 14. subatomic particle with negative elementary electric charge
Down
- 1. substance in the gas state
- 2. allows current to flow in one direction
- 3. an instrument which use to find direction
- 5. react with acids and produce hydrogen gas
- 6. a flow of electron due to a potential different
- 7. an equipment use to masseur the pressure
- 11. water in solid state
- 13. energy that flows from a high temperature body to a low temperature body