Forces in Nature

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Across
  1. 2. created when a wire is coiled around an iron core and an electric current flows through it on an
  2. 4. a buildup of electric charge on an object or on part of an object
  3. 6. the force that resist motion between two surfaces
  4. 7. the force exerted by a magnet
  5. 9. changes mechanical energy into electrical energy
  6. 13. unlike poles of charges do this
  7. 14. a measure of the pull, or force, or gravity on an object
  8. 17. an object that has a mass is surrounded by this type of field
  9. 19. a machine that converts electrical energy into mechanical energy
  10. 20. the total amount of matter in an object
Down
  1. 1. the sudden flow of electrons
  2. 3. a region of influence around an object
  3. 5. the force of attraction that exists between any two or more masses
  4. 8. a material through which electrically charged particles can easily flow
  5. 10. the two ends or a magnet
  6. 11. an object's resistance to change
  7. 12. positive and negative charges are this type of charge
  8. 15. objects can become electrically charged when an electric field causes parts of an object to become charged
  9. 16. a material through which electrically charged particles do not move easily, or sometimes not at all
  10. 18. opposite poles or charges do this