冀教版八年级下册 Unit 2 Lesson 8 Why Are Plants Important? 教案

Unit 2 Plant a Plant! Lesson 8 Why Are Plants Important LESSON PREPARATION LANGUAGE KNOWLEDGE 掌握词汇：basic 接触词汇：pleasant, shade, fufill, soil 短语和句型： It's pleasant to do., take energy from..., in a word RESOURCES audiotape small plants or pictures of plants large pieces of paper LESSON STRUCTURE CLASS OPENING Greeting Greet the class. Say: Hello, class. Good to see you. Let's get started with today's lesson. Review 1)Homework check. 2)Choose some students to present their news report: "Save Our Trees and Forests". 3)Review what you learned in the last lesson. Teacher: What did we talk about last class Students: We talked about planting trees and saving our forests. Teacher: That's right. KEY CONCEPTS FOCUS STRUCTURES: It's pleasant to walk in the forest. Trees and other plants are important to people. They help us fulfill our basic needs. The trees and plants take energy from the sun and turn it into food. STEP 1: Present CLASS WORK: Discussion 1)Discuss the Think About It questions as a class. Bring in some plants or pictures of plants that grow near your own home and present them to the class. Teacher: Here are some plants that grow near my home. This plant is called and this one is called What plants grow near your home Ask several students to respond. You may ask the students to come to the board and write down or draw a picture of the plant. Teacher: Why do we need trees Students: We need trees because... they give us clean air to breathe/they give us food to eat/they give us wood to build houses with/etc. Teacher: Right. Trees and forests provide us with many things we need to live. They give us many of the things we need to fulfill our basic needs. Write the words basic needs on the board. As a class. make a list of basic human needs on the board. Teacher: A basic need is something we can't live without. We need it to survive. For example, oxygen or air is one of our basic needs. We need to breathe air to live. Can you name some of our basic needs Students: Food/water/shelter (i.e. a home and clothes)/sleep/etc. Teacher: Well done. Plants provide us with many of our basic needs. That's why they are very important to us and all other animals on the earth. Write the phrase be important to... on the board. Explain. Students should master this phrase. Teacher: Now let's read the lesson and find out more about how plants help us. Let's see what Jenny. Danny and Brian have to say about it. STEP 2: Read GROUP WORK: Let's Do It! No. I 1) Instruct the students to read Lesson 8 and complete the exercise in groups of three. While they read, ask the students to write down a list of all the reasons why trees and forests are important that are mentioned in the dialogue. 2)Discuss the answers as a class and have the students share their list of reasons with the class. Write the phrases It's pleasant to do... and take energy from... on the board. Explain. Students should master these phrases. STEP 3: Apply GROUP WORK: Applying knowledge 1)In ... ...