1. The Sky Lantern and the Hot-air Ballon 九年级 Unit5 SectionB 2b 内容： This story is used to help read the passage in 2b. 目的： To make the students know more about the sky lanterns. To make the students understand the passage more easily.

2. 步骤： 1.Show pictures of sky lanterns and hot-air ballons.

3. 2.Ask the whole class to read the passage, then find out key words, such as popular,paper,lantern,closed top, candle etc. The Sky Lantern and the Hot-air Balloon The sky lantern is very popular all over Asia. It is a kind of paper lantern with a closed top and a small candle inside. The candle heats the air inside the lantern and makes it rise. People use the sky lanterns on important days and during festivals. During the time of the Three Kingdoms, Zhuge liang used these lanterns to give signals in battles. He sent them out to ask for help when in trouble.The sky Lantern led to the invention of the hot-air balloon. Do you know any other inventions that led to other inventions? 3.Read the passage in 2b, learn more about sky lanterns.