Step I Revision

1. Revise the history of chips by asking the following questions:

　Were the potato chips invented by mistake?

　When were they invented?

　Who invented the potato chips?

　How were the potato chips invented?

2. A projector.

1. Some real different kinds of tea and a real flying disk.

2. Doing writing practice by writing similar articles to the model one.

1. Understanding the passage by answering the questions.

3. To direct the students to write the article.

2. To help the students understand. the reading passage.

1. To teach the students so many new word in a single class.

3. The writing practice on the invention the flying disk.

2. Lots of new words.