unit16教學演示02(nx)(編輯修改稿)
2024-12-23 18:04 本頁面
【文章內(nèi)容簡介】 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.
教學課件相關(guān)推薦
鄂ICP備17016276號-1