science 8 crossword exam

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Across
  1. 3. charges always flow in the same direction
  2. 5. helps to design and install electric circuits
  3. 6. when magnets push or pull on each other
  4. 8. relationship between electricity and magnetism
  5. 10. can control the flow of electrons using integrated circuits
  6. 11. area surrounding a magnet where magnetic forces are detected
  7. 13. single, tiny chip made of specially treated silicon containing many circuit parts
  8. 20. coil of wire with electric current
  9. 21. the loss of charges
  10. 24. material that can be turned into a magnet
  11. 25. groups of atoms combined together, like tiny little magnets
  12. 27. converts different energies into electrical energy
  13. 28. the amount of work required to move each unit of charge between 2 points
  14. 29. change electric energy into mechanical energy
  15. 31. iron core wrapped in electrical wire
  16. 33. is a complete closed path through which electric charges can flow
  17. 34. in it electric charge cannot move easily
Down
  1. 1. a sequence of separate values
  2. 2. a property that leads to electromagnetic interactions between particles
  3. 4. the end of the magnet, the strongest part
  4. 7. all parts are connected in one row
  5. 9. charges repeatedly shift
  6. 12. electric charges have more than one path to follow
  7. 14. electricity flows easily through a conductor
  8. 15. signals that change continously in a given range
  9. 16. rate of flow of electric charges
  10. 17. in it electric charge can move freely
  11. 18. materials that can be made into a magnet when in a strong magnetic field
  12. 19. the buildup of electric charge on an object
  13. 22. performs tasks by following instructions given to it
  14. 23. the opposition to the flow of charges
  15. 26. last name of the physicist who brought a compass too close to a wire with electric current
  16. 29. affected by distance and charge
  17. 30. device that uses electrical energy to operate
  18. 32. measures the direction and strength of an electric current in a wire