Electromagnets

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Across
  1. 2. a wire made into a coil is a solenoid
  2. 5. inside a solenoid the magnetic field is strong and uniform
  3. 6. electromagnets can be used to lift cars
  4. 7. increasing the number of coils on a solenoid strengthens the electromagnet
  5. 8. decreasing the current weakens the electromagnet
  6. 9. and sort out scrap metals
Down
  1. 1. you can use a compass t find the shape of a magnetic field
  2. 3. an electromagnet can be switched on and off.
  3. 4. in the right hand thumb rule the thumb points in the direction of the current