unit16教学演示02(nx)内容摘要：
form flying away. ( ) T F F T F Extractive reading • find out the keys of the exercises after you read the passage. Aim Materials Results To show that lightning and electricity are the same. Some wooden sticks, a piece of silk, some rope, a very sharp piece of metal, a silk ribbon, a key, a condenser, a small shed, a thunderstorm with lightning. The electricity stored in the condenser can be used to do other experiments, which proves that lightning and electricity are the same. Listening • Listen to the passage and answer the following questions: • Why is it better to make the kite of silk than of paper • Do you think Franklin’s experiment was dangerous? Explain. A silk kite will last longer in bad weather than a paper kite.。阅读剩余 0%
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