Wednesday, April 8, 2009

static review

Define static electricity (2 marks):
What is lightning (2 marks)?
Why does static electricity build up in winter air and not in summer air (2 marks)?
Name 2 insulators and 2 conductors (4 marks).
Look at the results of the electrostatics friction lab that you were working on (with the fur). What moved the most paper? What moved the fewest number of paper bits? (4 marks)
Why do you think you got those results? (2 marks for the reason, 4 marks for an explanation, 2 marks for an example)
Give an example of static electricity that you have seen in your life. (2 marks)