Science Vocab puzzle

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Across
  1. 2. this describes the rate of power flow
  2. 4. a device which gives you the cardinal directions
  3. 7. a temporary magnet made by winding wire around an iron core
  4. 8. Iron, Cobalt, and Nickel are all what
  5. 9. this is the measurement of electrical voltage
Down
  1. 1. an object with a strong attraction to another object
  2. 3. the strength of a current of electricity expressed in amperes
  3. 4. a closed electrical network
  4. 5. this could be an object made of iron
  5. 6. the unit of measure for electrical current