Energy and Magnetism

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Across
  1. 1. Short wires have less or more resistance
  2. 3. Thin wires have higher or lower resistance
  3. 4. The amount you use depends on the power required by appliances & how long they are used.
  4. 7. the area around the magnet where forces act
  5. 11. The flow of electrons through a wire or conductor
  6. 15. Force is strongest or weakest at the magnetic poles
  7. 19. A property that causes subatomic particles such as protons and electrons to attract or repel each other.
  8. 20. A material that allows e- to move easily
  9. 21. The rate at which electrical energy is converted to another form of energy
  10. 23. A material that does NOT allow e- to move easily
  11. 25. Magnets can gain or lose some magnetic properties if dropped or heated
Down
  1. 2. The force of attraction or repulsion between electrically charged objects.
  2. 5. Dragging your feet on the carpet would be a charge by _____
  3. 6. Is a property of matter in which there is a force of attraction or repulsion between like and unlike poles
  4. 8. Detects electric current, using a solenoid
  5. 9. Force of attraction decreases or increases as distance between magnets increases.
  6. 10. The effect the electric charge has on other charges in the space around.
  7. 12. A closed path through which e- can flow
  8. 13. Using an electroscope would be a charge by ____
  9. 14. The tendency for a material to resist the flow of electrons
  10. 16. Type of Current that has only one path it can travel along
  11. 17. Type of current that contains separate branches for current to move through
  12. 18. Opposite charges ______ and like charges attract.
  13. 22. The SI unit for electric charge
  14. 24. Which law is this formula: Potential difference = current x resistance