(
课件网) Unit 6 The power of plants Understanding ideas Within a P is for power. They have surprising power. L L is for life. They live in soil, the ocean and even space. They give out fresh air for us to breathe. A is for air. N is for nature. They make the nature a beautiful garden. T is for tree. They stand so tall, with branches into sky. S is for sunlight. They need sunlight to grow happily. 2 TIPS: Take notes if necessary. 1. Watch video and answer ：What do plants need to grow 3 2. What is the name of the process that plants use to make food Photosynthesis/f t s nθ s s/ (光合作用) photo （Greek word希腊语） = light synthesis（Greek word希腊语）= to put together Photosynthesis: to put together with the help of light 4 3. Let ’s think: What do you know about photosynthesis 5 Let’s go inside the plant. Look and say 1. What do you see in the picture 2. What is the picture about 3. Do you know the parts of a plant Look at the picture of a plant and match the words to it. sugar leaf sunlight sugar sunlight water water leaf Scanning Scan the passage and answer the two questions. 1. Choose another suitable title. a. How to make sugar. How plants work. c. Why plants are great. d. Going to the green workshop 2. What type of writing is this passage A. Narration(记叙文) B. Argumentation(议论文) It gives answers to such questions as "how", "why" and so on. C. Practical Writing(应用文) Exposition (说明文) Careful reading Read Para.1 aloud together, then answer the questions. It's quarter past seven. Here's Worker No. 55 in his green uniform. He's going to start work in the plant. 1. Can you find Worker No. 55 in the picture 2. What is he going to do He is going to start work in the plant. Further thinking 1. Are there any real workers in the plant No! 2. Why does the writer use "workers" in the passage Here the writer uses personification (拟人) to make the passage more vivid and easier for the readers to understand. Careful reading Tip: Pay attention to all the details Read Para.2 carefully, then fill in the form. Where does No.55 worker work How many workers in each workshop What do they do Further thinking chlorophyll (叶绿素) /kl r f l/ Worker is actually a Workeshop is actually a chloroplast (叶绿体) /kl r pla:st/ What does “plant” mean in the title A: the living thing, like a tree or a flower. B: the place the workers work in, just like a factory. A and B The word “plant” has two meanings. the living thing a pun (双关) a factory Careful reading Read para.2—3 careflly for the second time. Complete the text with the words and expressions from the passage. leaf Water sugar breathe rise up Describe the process of photosynthesis together. Growth of plant Step 1 Leaves of plants collect sunlight. Step 2 Plants collect CO2 from the air. Step 3 Plants send up water from the r animals and humans to breathe 13 Careful reading Group work Read para.2-3 carefully again. Draw a mind-map to show the ... ...
