Static Electricity

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Author:
angeleenie70
ID:
31007
Filename:
Static Electricity
Updated:
2010-08-23 21:12:15
Tags:
7th grade science
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Description:
static electricity quiz review
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  1. What causes static charges?

    _____________ two objects together causes electrons to add or subtract from an object
    rubbing
  2. How does a negatively charged object interact with an uncharged object?

    the uncharged object becomes ______________ as its protons are attracted to the negative charge of the charged object

    1) happy
    2) uncharged
    3) polarized
    4) charged
    polarized
  3. How does a charged object interact with another charged object?

    two ___________ charged objects do not want more electrons, so they repel (push away) each other
    negatively
  4. Name two conditions best for creating static electricity.
    • 1) a dry day
    • 2) in the winter
  5. What causes static charges?

    Rubbing two objects together causes _________________ to add or subtract from an object
    electrons
  6. How does a negatively charged object interact with an uncharged object?

    The uncharged object becomes polarized as its ______________ are attracted to the _____________ charge of the charged object.
    protons

    negative
  7. How does a charged object interact with another charged object?

    If they have different charges, they will _____________ each other.

    a) attract
    b) repel
    attract
  8. In the electroscope, why do electrons begin traveling down the wire?
    They are repelled by the negative charge of the ruler.
  9. Why do the foil flaps begin flapping?
    Each flap now contains more electrons, which repel each other.

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