Conductors and Insulators

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Across
  1. 4. what is ring made of
  2. 5. water is a conductor? True or false
  3. 8. Lighting is caused by ______in the atmosphere
  4. 10. Tomato is insulator true or false
  5. 11. what conductor is a penny made of
Down
  1. 1. what stops electricity from flowing?
  2. 2. pick best conductor: steel,glass,eraser
  3. 3. Good conductors have many loosely bound Electrons or atoms?
  4. 6. what is the insulator put over wires?
  5. 7. What is the fastest conductor of electricity
  6. 9. pick best insulator: bangle, graphite, foil