Physical Science Crossword Puzzle

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Across
  1. 3. one of the two ends of a magnet where the magnetism seems to be concentrated
  2. 4. to push away
  3. 8. temporary magnet that loses its magnetism when the electric current is turned off
  4. 9. To pull toward
  5. 12. More protons than electrons
  6. 13. A material that allows heat and electricity to pass through it
  7. 15. An attractive force that acts between any two objects
  8. 16. A measure of the extra positive or negative particles that an object has
  9. 18. the attraction or repulsion between magnetic poles
  10. 19. an instrument for detecting and measuring small electric currents
  11. 20. The force of attraction or repulsion of magnetic materials
Down
  1. 1. The region around a magnet where the magnetic force is exerted
  2. 2. To send out rays; to beam or shine
  3. 5. A form of energy caused by the movement of electrons
  4. 6. A flow of charged particles, such as electrons or ions, moving through an electrical conductor or space
  5. 7. A state where an object or particle has an excess of electrons compared to protons
  6. 10. A north-seeking pole of a magnet
  7. 11. energy caused by movement of electrons
  8. 14. A south seeking pole of a magnet
  9. 17. A machine that converts mechanical energy into electrical