Super Electronics Crossword Challenge

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