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- 1. Multiple ChoiceThe charge of an electron ispositive.negative.Electrons have no charge
- 2. Multiple ChoiceTwo like chargesneutralize each other.repel each other.must be neutrons.attract each other.
- 3. Multiple ChoiceThe charge of an electron ispositive.negative.Electrons have no charge
- 4. Multiple ChoiceAn atom loses an electron. What type of charge does it have now?positivenegative
- 5. Multiple ChoiceAn atom gains an electron. What type of charge does it have now?positivenegativeNo charge
- 6. Multiple ChoiceWhen a balloon is rubbed on clothes it acquires a charge by ___________Inductionreductionfrictionconcuction
- 7. Multiple ChoiceWhere do electrons go when you rub a balloon on your hair?Onto the balloonInto your hairNowhere
- 8. Multiple ChoiceAfter you rub a balloon on your hair, what charge does the balloon have?PositiveNegativeNeutral
- 9. Multiple ChoiceAfter you rub a balloon on your hair, what charge does your hair have?PositiveNegativeNeutral
- 10. Multiple ChoiceWhen a glass rod is rubbed with silk and the glass rod becomes positively charged, what happens to the electrons?they are removed from the rodthey are added to the rod
- 11. Multiple Choice
A negatively charged plastic comb is brought close to, but does not touch, a small piece of paper. If the comb and the paper are attracted to each other, the charge on the paper
may be positive or neutral
must be positive
may be negative or neutral
must be negative
- 12. Multiple Choice
An electroscope is a device with a metal knob, a metal stem, and freely hanging metal leaves used to detect charges. The diagram below shows a positively charged leaf electroscope.
As a positively charged glass rod is brought near the knob of the electroscope, the separation of the leaves will
remain the same
increase
decrease
- 13. Multiple Choice
A positively charged glass rod attracts object X. The net charge of object X
may be zero or positive
may be zero or negative
must be positive
must be negative
- 14. Fill in the Blank
The ________ between the clouds and air causes the clouds to be charged with electric charges.
- 15. Fill in the Blank
The flow of negative charges from the cloud to the ground produces ________________________.
- Answer choicesTagsAnswer choicesTags