Unit 8 Our Blue Planet Lesson 2 Function and Pronunciation （课件） -新教材仁爱科普版七年级英语下册

Unit 8 Our Blue Planet Lesson 2 Function and Pronunciation Learning Objectives In this class, you will 学习字母组合al, ar, wa, ch/tch, dge/g, gu, gh, ght的正确发音 利用升调和降调阅读句子，并掌握升、降调的规律 通过文本了解和水相关的事实并完成对话总结 Lead-in It’s water. Guess what it is according to the descriptions. It covers about 71% of our earth. It covers about 70% of our body. We can’t live without it. We drink it every day. What is it ? Pre-listening Activity 1 A. Pair Work. Look at the pictures and talk about where water comes from. sea rain ice river 4 While-listening Activity 2 Listen to the conversation and answer the question. Xiao Ya: Mom, where does water come from? Mom: There is water everywhere. It’s under the ground, in the ocean and in the sky. Xiao Ya: But I can’t see any water in the sky. Mom: It’s in the air. On sunny days, water goes up into the sky and forms clouds. Xiao Ya: I see. As we all know, water is very important to us. Mom: Yes. We need to drink water every day. Xiao Ya: We also need to use a lot of water in our life. Mom: That’s right. And the good thing is we have a lot of water on the earth. Xiao Ya: Yes. Just because of this, we call the earth a blue planet. Mom: But we can only use about 1% of the water on the earth. The rest is all sea water or ice. Xiao Ya: That is very little water. Let’s save every drop of water. What are Xiao Ya and her mom talking about? They are talking about water. While-listening Activity 2 Listen again and mark T or F. Xiao Ya: Mom, where does water come from? Mom: There is water everywhere. It’s under the ground, in the ocean and in the sky. Xiao Ya: But I can’t see any water in the sky. Mom: It’s in the air. On sunny days, water goes up into the sky and forms clouds. Xiao Ya: I see. As we all know, water is very important to us. Mom: Yes. We need to drink water every day. Xiao Ya: We also need to use a lot of water in our life. Mom: That’s right. And the good thing is we have a lot of water on the earth. Xiao Ya: Yes. Just because of this, we call the earth a blue planet. Mom: But we can only use about 1% of the water on the earth. The rest is all sea water or ice. Xiao Ya: That is very little water. Let’s save every drop of water. Water is under the ground, in the ocean and in the sky. ( ) Water can go up into the sky and form clouds. ( ) We need little water in our life. ( ) We can only use 2% of the water on the earth. ( ) T T F F a lot of 1% While-listening Activity 2 Read the conversation and practice it with your partner. Xiao Ya: Mom, where does water come from? Mom: There is water everywhere. It’s under the ground, in the ocean and in the sky. Xiao Ya: But I can’t see any water in the sky. Mom: It’s in the air. On sunny days, water goes up into the sky and forms clouds. Xiao Ya: I see. As we all know, water is very important to us. Mom: Yes. We need to drink water every day. Xiao Ya: We also need to use a lot of water in our life. Mom: That’s right. It’s lucky that we have a lot of water on the earth. Xiao Ya: Yes. Just because of this, we call the earth a blue planet. Mom: But we can only use about 1% of the water on the earth. The rest is all sea water or ice. Xiao Ya: That is very little water. Let’s save every drop of water. ['evriweə(r)] adv. 到处 [graund] n. 地面 ['intu:] prep. 到……里面 [fɔ:m] v. (使)形成 [klaud] n. 云 [drɒp] n. 滴 v. (使)掉落 Complete the summary. While-listening Water is __________. It is under the ground, in the ________ and in the sky. On sunny days, water goes up into the sky and forms ________. We need to drink water every day and we also use a lot of water in our life. The earth is a blue planet. It is full of water. But we can only use about ________ of the water on it. We need to save every ________ of water. everywhere ocean clouds 1% drop [fu:l] adj. 充满的 Activity 4 Pair work. Talk about the questions and make up a new conversation about water. Post-listening Where is water from? How important is water to us? Why do we need to save water? Pronunciation Activity 1 Listen to the chant. Pay attention to the pronunciation of the colored letters. Some children walk down from the bridge. At the river they start to watch. They always want to catch a fish. So they sit down and make a wish. Right then, they see one large enough. Guess what! They catch it and laugh! Letter(s) al ar wa ch/tch dge/g gu gh t Sound /ɔ:/ /ɔ:l/ /ɑ:/ /wɔ/ /tʃ / /dʒ/ /G/ /f/ /t/ Word walk call also always start dark want watch chess catch bridge judge large age guess guide laugh enough right fight Pronunciation Activity 2 Listen and read the sounds and words aloud. Pronunciation Activity 3 Listen and circle the word with a different sound in each group. 1. /ɔ:l/ always talk fall 2. /ɑ/ part around large 3. /tʃ/ chair school teach 4. /dʒ/ bridge orange guess 5. /G/ gun guest age 6. /f/ high laugh tough Practice the following chant and read it aloud in class. On the playground, with a basketball. We play and laugh. Everyone likes it all. Dancing around the moonlight. The stars in the sky look very bright. The playground seems so large, But I believe we will never age. Pronunciation Pronunciation Read the sentences and pay attention to the tone. Mom, where does water come from? As we all know, water is very important to us. Just because of this, we call the earth a blue planet. How important is water to us? Let’s save every drop of water. Pronunciation Activity 4 Read the sentences aloud and mark the last word with a rising tone ( ) or a falling tone ( ), and then listen and check. Look at this river on the map. Are there any people in the desert? Turn off the tap when you brush your teeth. What about making a poster about saving water? Water comes from rivers, lakes and oceans. Summary We learned: 1. some facts about water. 2. to pronounce the words with al, ar, wa, ch/tch, dge/g, gu, gh, ght in them correctly. 3. to read the sentences with a rising tone or a falling tone coherently. We can: make up a conversation about why water is so important to us. Homework You should: practice the conversation in Activity 4. You may: search for more information about the importance of water and share it in class. $$