Science puzzle

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Across
  1. 3. type of magnet in which the magnetic field is produced by an electric current.
  2. 5. the force given off by an object that pulls other objects towards
  3. 7. area surrounding charged particles that can be exerted on other charged particles
  4. 9. Friction is the force resisting the relative motion of solid surfaces, fluid layers, and material elements sliding against each other.
  5. 11. an object or type of material that allows the flow of charge in one or more directions.
  6. 12. An electrical insulator is a material in which electric current does not flow freely.
Down
  1. 1. a physical phenomenon produced by the motion of electric charge, resulting in attractive and repulsive forces between objects.
  2. 2. a measure of the opposition to current flow in an electrical circuit.
  3. 4. external force given off by a magnet, strongest at the poles
  4. 6. stream of charged particles, such as electrons or ions, moving through an electrical conductor or space.
  5. 8. the production of an electromotive force across an electrical conductor in a changing magnetic field.
  6. 10. A characteristic that is either positive or negative