Unit 4 Vocab

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Across
  1. 7. circuit a circuit with only one path for electric current to flow
  2. 8. a material that conducts electricity only under certain conditions
  3. 11. charge a charge produced by an excess or a shortage of electrons
  4. 13. a substance that conducts electricity through moving ions
  5. 14. the negatively charged end of a diode or electrical device
  6. 16. the positively charged end of a diode or electrical device
  7. 17. a material that allows electric charges to move easily
Down
  1. 1. the charging of an object without direct contact
  2. 2. the opposition to the flow of electric current
  3. 3. field the area around a magnet or electric current where magnetic forces act
  4. 4. difference the difference in electric energy between two points that causes charges to move
  5. 5. a material that does not allow electric charges to move easily
  6. 6. circuit a circuit with more than one path for electric current to flow
  7. 9. an electrical component that allows current to flow in only one direction
  8. 10. pole one of the two ends of a magnet where magnetic force is strongest
  9. 12. force the force that causes electric and magnetic interactions between charged particles
  10. 15. a magnet created when electric current flows through a coil of wire