Level 1

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Across
  1. 1. when lightning strikes this type of object it will produce a high temperature at the strike point resulting in cracked concrete or ignition of combustible material
  2. 3. a type of switch that uses electromagnetism to open or close its contacts
  3. 6. Resistance is the opposition to the flow of this in a circuit
  4. 7. when iron’s magnetic fields have been disarranged so the molecules return to a random position. Iron is said to be this
  5. 8. electricity flows from a positive charge to a negative charge according to Benjamin Franklin’s _____ Current Flow Theory
  6. 9. the conversion of pressure or vibration into electrical energy
Down
  1. 2. the conversion of heat energy into electrical energy
  2. 4. the conversion of light energy into electrical energy
  3. 5. this uses electromagnetism to convert input voltage to a different output voltage
  4. 7. as their distance from a wire increases the lines of force from electromagnetism will do this