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