Unit 7 Lesson 21 To the South Pole（第一课时）-教学设计

Unit 7 Lesson 21 To the South Pole（第一课时） Lesson Focus ·Reading to recognise the topic sentences in a story about a journey to the South Pole ·Talking about a journey and its difficulties Warm-up Exercise 1 Purpose: to help students think about words related to the North Pole and the South Pole . Draw a picture of a circle on the board. Ask“What's this ”Encourage students to guess objects having a circular shape. Elicit the answer "the Earth" by drawing things such as a big sun and a small moon by the circle. Then draw lines at the top and bottom of the circle to represent the North Pole and the South Pole (as found on the globe. Have students identify these. Write the names on the board. You may skip this step if you feel students are ready to do the exercise. Direct students to the words in Exercise 1. Ask“Are these words related to the North Pole or the South Pole ”Ask students to write NP or SP next to each word. Discuss the answers as a class. Ask individual students to say the answers aloud. Answers Antarctica (SP), Arctic (NP), polar bears(NP), penguins (SP) Exercise 2 Purpose: to help students discuss what they know about the South Pole and think about a journey like that Ask“What do you know about the South Pole What is the weather like ”Brainstorm ideas with students and write main points on the board Then ask“Who would like to take a journey to the South Pole ”Ask for a show of hands. Have students give reasons why or why not. Write the heading Journey to the South Pole on the board. Have students get into groups. Direct them to answer the question: “Why are the journeys to the South Pole difficult ” Have one student in each group take notes. Have each team share a difficulty with the class. (Encourage them to present an idea that another group has not yet identified.) Write their ideas on the board. Ask students to return to their groups. Have them think about those difficulties and answer the question: “What supplies are needed for a journey like this ”Have them make a checklist of items, noting 10 items that they think are most important. Monitor as students talk, offering help as needed. sin bot Ask one member from each team to write the checklist on the e together as a class and compare these lists. Encourage students to explain their choices. Expansion: Show What You Know ! Tell students that you are going to give them a little test about Antarctica. Say these three statements aloud and then write three possible answers for each on the board. Have students select and write down their answers (a, b or c). 1. What is the coldest it has been in Antarctica (a) minus 39 degrees C (b) minus 59 degrees C (c) minus 89 degrees C 2. How much of the world's ice is found in Antarctica (a) 25% (b) 60% (c) 90% 3. When did the first people reach the South Pole (a) 1811 (b) 1911 (e) 2011 Answers 1. с, 2. с. 3. b Roald Amundsen of Norway in December 1911 Reading Exercise 3 Purpose: to help students scan the text to answer que ... ...