EXPERIMENT: STATIC ELECTRICITY
OBJECTIVES
Perform an experiment of ionic bonding.
These supplies are needed:
two inflated balloons
piece of material (nylon, wool, or fur)
thread
nylon stocking
string
piece of white paper
Instructions
1. Suspend two inflated balloons by threads and tie them to a piece of string at the same point.
2. Rub each balloon with a piece of material.
A. What happens to the balloons when they are close together? What does this mean about their charge?
3. Cut two 3-by-12 inch strips of material from the nylon stocking.
4. Place both strips on a piece of white paper and rub them briskly in your hand.
5. With your fingers, lift
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Ответ:
Whenever we need to persuade someone of a particular belief, it is a good idea to imagine what the conversation will be like and anticipate any complications. These are some of the strategies that would help you prepare for such a conversation:
Begin by stating the benefits of having such a job. The benefits should be listed in order of importance.List the negative points in as positive or neutral way as possible. You can also explain why the negative aspects might not be all negative.Anticipate their questions and concerns and try to answer them in advance in a positive way.Ask whether they have any other questions or concerns, and act understanding and calm. Conclude by restating your reasons for wanting the job and the benefits this will bring, so that it stays fresh in their minds when the conversation is over.