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