Unit Review: Electric and Magnetic Forces

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Across
  1. 3. the measure of the amount of electric current, unit is amp
  2. 4. movement of electric charges in a single direction through a wire or other conductor
  3. 6. an electrical conductor is a material which permits the flow of electric charges
  4. 7. a particle with either a positive or negative electrical charge
  5. 8. matter that is composed of one type of atom
  6. 9. force that causes electric charges to flow
  7. 12. matter with a surplus (too many) or deficiency (not enough) of electrons
  8. 14. a force that attraction or repulsion towards or away from an object due to the electrons in the objects
  9. 16. the amount of space an object takes up
  10. 18. the amount of the force (difference in voltage from one end to the other) that sends the electrons through a circuit, unit is V
  11. 20. an electrical insulator is a material which does not conduct electrical current
  12. 21. objects that affect one another
  13. 23. measure of the amount of resistance a material has to electrical current, unit is Ω
  14. 26. a magnetic metal core (usually iron) made into a magnet by the passage of electric current through a wire coil surrounding it
  15. 29. accumulation of excess electric charges on an object from moving electrons, made by friction
  16. 30. good conductor of heat and electricity
  17. 31. positive charge
  18. 32. neutral or no charge
  19. 34. a cylindrical coil of wire acting as a magnet when carrying electric current
  20. 35. area around a magnet or moving electrical charge that can exert a magnetic force, strongest closed to magnet
  21. 36. tendency for a material to oppose the flow of electrons
Down
  1. 1. having a tendency to pull objects toward each other
  2. 2. table where elements are organized
  3. 5. a force consisting of both an electric component and magnetic component, created by an electric current (moving electrons)
  4. 10. having a tendency to push objects away from each other
  5. 11. flow of an electrical charge through an object (wire or conductor)
  6. 13. a closed path that electric current follows
  7. 15. smallest piece of matter
  8. 17. attractive or repulsive interaction between charged objects
  9. 19. an iron-containing substance whose atoms exhibit properties of attraction and repulsion of other iron-containing substances, most common is iron, nickel and cobalt
  10. 22. negative charge
  11. 24. the amount of matter in an object
  12. 25. located in center of atom, consists of protons and neutrons
  13. 27. size or quantity of something
  14. 28. anything with volume and mass
  15. 33. a closed path that electric current follows