Unit 1 Great scientists Period One Teaching aims: Promote the Ss to know sth. about great scientists. 2. Learn some new words and expressions. 3. To examine a new scientific idea. 4. Comprehension. Main points: Warming up and Reading passage Difficult points: Comprehension Teaching procedures: Step 1. Warming up 1. Show the Ss some pictures of great scientists and ask them to talk about them. 2. The Ss discuss in groups and walk along to offer them help if needed. 3. Work out their answers by themselves. 4. Check their answers. Step 2. Pre-reading 1. The Ss discuss the stages in examining a new scientific idea in pairs by asking the questions in the pre-reading. 2. Ask the Ss to put them in order and get their answers. Step 3. Reading passage 1. Let the Ss go over the passage and try to find the hard words, expressions and sentences they have. 2. Explain the difficulties. 3. Ask the Ss to read the passage more carefully and then try to complete the chart in the comprehending by discussing in groups. 4. Choose some Ss to answer the questions in the comprehending. 5. Ask the Ss to choose one of the paragraphs to read aloud fluently. Step 4. Homework Read the passage again and go over Learning about language. Period Two Teaching aims and demands： 1. Discover the useful words and expressions. 2. Learn and improve the use of useful words and expressions. Main points: Learn to use the words and expressions that the Ss discover. Difficult points: Improve the use of the words and expressions. Teaching procedures: Step 1. Learning about language 1. Discover the useful words and expressions in this unit in groups of four. 2. Ask the Ss to show their results to the class. 3. Ask them to study the words and expressions in Ex.1. 4. Ss have a discussion and do the exercises. 5. Check their answers. 6. Change the verbs into nouns and make sentences by using “make a …” Step 2. Using words and expressions 1. Make sure the Ss know the words and expressions. 2. Let the Ss work in groups to complete the blank in Ex.1. 3. Check their answers. 4. Do the translations. Ss discuss the sentences and the translate them into English, using the words and phrases in brackets. Step 3. Words learning 1. Show the Ss a list of prefixes to talk about them. 2. Ask them to work in groups to find some words with the prefixes and study their meanings. 3. Let them show their results to the class. 4. Walk around the class to give them help if needed. Step 4. Study the use and meanings of suggest 1. Study the meaning of suggest by looking the dictionary entry. 2. Match the meanings with the sentences on the right in Ex.4. 3. Check their answers. Step 5. Homework Write down the translation Ex.2, 4, 6 and 7 in the exercise book. Period Three Teaching aims and demands: 1. Discover the useful structure. 2. Learn to use the grammar of past participle. 3. Enable the Ss understand the past participle using as attribute and predicative. Main points: Learn the usage of the past participle usin ... ...
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