(
课件网) Unit 6 The power of plants Starting out + Reading Learning Objectives In this lesson you will: 1. know some facts about plants; 2. learn about the photosynthesis of plants; 3. talk about the plants and feel the greatness of plants. Look and Say What are the people doing Starting out She is buying vegetables. He is making wooden shelf. They are weighing herbs. She is painting outdoors. What can plants do for us They can provide food. They can provide building materials. Some plants are medicine. They can make the environment beautiful. What facts about plants do you know Some plants eat bugs. Many plants are used for medicine. Plants have different colours. Some plants are poisonous(有毒的). Watch a video to know more about plants (optional) Pre-Reading Understanding ideas Look at the picture of a plant and match the words to it. sugar leaf sunlight water sunlight sugar water leaf Look at the picture and the title, predict the answer: What is the passage about Predict Photosynthesis in plants. / f t s nθ s s/光合作用 Watch the video to know about photosynthesis. Read the passage and match the main idea with each paragraph. Paragraph 1 Paragraph 2 Paragraph 3 Paragraph 4 Paragraph 5 Plants produce substances(物质). How plants work. Introduce the Worker No. 55. The importance of plants. Workers in plants will have a rest. While-reading What is the structure of this passage A B C ① ② ③ ④ ⑤ ① ② ③ ④ ⑤ ① ② ③ ④ ⑤ 总分总 Choose another suitable title and give your reasons. a How to make sugar b How plants work c Why plants are great d Going to the green workshop Complete the texts with the words and expressions from the passage. Sunlight and CO2 enter the 1._____. 3._____ , CO2 and sunlight will turn into 4._____and oxygen. Oxygen is important to humans — they need it to 5._____. Water from the root will 2._____to the leaf through the stem. leaf Water rise up sugar breathe Think and Discuss 1. Are there real workers in the plants What do the workers mean to a plant in real life 2.Why does the writer use “workers” in the passage No, the workers mean cells (叶绿体细胞). To make the passage more interesting and easier for the readers to understand. Think and Share 1.What does “plant” mean in the title In the title, “plant” has a double meaning. Usually it means a living thing like a tree or flower. Here, it refers to a “factory” where “workers” make food for the plant and oxygen for us. A pun(双关语) is a word with more than one meaning. It’s a clever way to make the passage more interesting. 2. In what other ways do plants help the world For people: provide food, clean the air and help stop the floods... For climate: reduce the effect of climate change... For animals: provide food and homes for animals... Language Points 1. Now workers from the Root send up water. send作动词,意为“寄,发送; 传达; 派遣”。 E.g. I’ll send you a text message. My parents send their love ... ...
