Vocab 1,2

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Across
  1. 1. common name iron oxide - produced when iron corrodes
  2. 3. passing an electrical current into liquid to separate chemical compounds
  3. 6. cutting device, often metal with a sharp or toothed edge
  4. 9. lime-based powder mixed with water to make concrete
  5. 12. signal transmission without a physical connection by wire
  6. 15. protective layer to prevent or reduce conduction of heat or electricity
  7. 16. thin layer of material, often acting as a barrier, e.g. to prevent water passing
  8. 17. (drive belt) closed band placed around two or more wheels
  9. 21. related to vehicle design and manulacturing
  10. 24. individual part of an assembly/mechanism
  11. 25. the resistance of an obtect to acceleration
  12. 26. wheels with cogs (teeth)
  13. 27. hole causing a leak of air or liquid, e.g. in a tyre
  14. 28. coated with zinc
Down
  1. 2. power energy from sunlight converted into electrical energy
  2. 4. used/recoveredm aterial intendedf or recycling
  3. 5. base of a vehicle to which all main components are fixed
  4. 7. Electrical generated magenetic field
  5. 8. energy energy in the form of movement, e.g. a spinning wheel
  6. 10. load force exerted on a structure by the wind
  7. 11. rope made of many wires, usually metal
  8. 13. engineer engineer specialising in the design of structures, e.g. bridges
  9. 14. alternative term for pulley
  10. 16. down change a solid substance into a liquid by heating it
  11. 18. mechanism containing balls or rollers
  12. 19. system for evacuating smoke or gases, e.g. from an engine
  13. 20. device with spinning blades used to push boats
  14. 22. control system used to control a device or vehicle from a distance
  15. 23. base supporting a building or structure, usually made of concrete