Super Electronics Crossword Challenge

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Across
  1. 3. What do we measure electric current in?
  2. 4. The optical reason why resistors are color-coded rather than having tiny numbers printed on them? ‘For better ……………….’
  3. 8. What is the meltable wire we use as metal ‘glue’ to stick electrical items together?
  4. 9. What is electrical pressure measured in?
  5. 11. What polarity is the shorter leg of an LED?
  6. 13. What small powered tool is used to join components on a circuit board by melting metal wire?
  7. 16. What component limits the flow of current in a circuit?
  8. 17. What physical property is needed for electricity to travel easily through an object?
  9. 18. What is the unit of electrical resistance called?
  10. 19. The copper-faced plate we fix our electronics to is called the; ‘................. ………’
  11. 21. Name for the clip on black and red wired component which attaches a 9v battery to the circuit board.
  12. 22. What heat-related injury could you get from touching the tip of a hot soldering iron?
  13. 23. What process is used to reveal tracks on a circuit board using an etch resist pen?
  14. 25. If you don’t leave your solder iron safely in the holder, the hot end might touch something and make it catch ‘..... ‘
  15. 26. What is it called when electricity jumps along an unintended path and stops things working as intended?
  16. 27. What type of resistor can adjust its resistance depending on light it senses and is abbreviated as an 'LDR'?
  17. 28. What tool is used to measure voltage, resistance, and current in a circuit?
Down
  1. 1. Electronic components are tiny and can be vulnerable to breaking easily. Things that can break easily can be described as ‘...................’
  2. 2. To make tiny holes for the legs of the electrical components to stick through the circuit board we use a tiny ‘...........’
  3. 5. What is the property where a material resists the flow of electricity (or heat)?
  4. 6. What is the name for the lines of connections on a circuit board?
  5. 7. What polarity is the longer leg of an LED?
  6. 10. What should you run your hand under if you accidentally burn it?
  7. 12. What conductive metal is commonly used for tracks on circuit boards?
  8. 14. What is the term for the flow of electrical charge, measured in amps?
  9. 15. What does LED stand for?
  10. 17. What component stores electrical energy temporarily and can release it quickly?
  11. 20. Name the white, hole-gridded, hand-sized block used for testing circuits by inserting and removing electronic components.
  12. 24. What is a common name for two or more power cells?