Unit 5 Understanding ideas 课件 -2025-2026学年外研版英语七年级上册

该初中英语课件聚焦植物结构（根、茎、叶）与光合作用原理，从图片提问导入，先引导学生识别植物部分，再以“workers”拟人化作为支架，衔接结构认识与光合作用过程，帮助学生逐步理解核心知识。 其亮点在于用拟人化“workers”将抽象光合作用具象化，结合问题链（如“What are the workers going to produce?”）和任务型活动（匹配、制作海报），提升学生语言能力（理解与表达）和思维品质（分析推断）。学生通过生动内容易掌握知识，教师可借助支架和活动提高教学效果。

What can you see in the picture? Do you know the names of its parts? root stem leaf What can you see in the picture? What is the title? Starting out Look and think Stop at any time ! 1.What is he going to do? He is going to start work in the plant. 2.Are there any real workers in the plant? No, there isn't. 3.Why does the writer use"workers"in the passage? The writer uses personification to make the passage more vivid and easier for the readers to understand. What are the workers going to produce? Sugar and oxygen What does "it " mean ? Oxygen. Why does animals and humans need Oxygen ? They need it to breathe. 1. Look at the picture of a plant and match the words to it. sugar leaf sunlight water Water from the root will 2.__________ to the leaf through the stem. 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._________. How plants work How plants work Sunlight and CO2 enter the 1._______. Water from the root will 2.__________ to the leaf through the stem. 3.________, CO2 and sunlight will turn into 4.________ and oxygen. Oxygen is important to humans —they need it to 5._________. Leaf rise up Water sugar breathe Do the workers work at night ? No, they don't . ... shade protection food Oxygen Plants mean a lot to animals and humans. In what other ways do plants help the world? Plants clean the air and help stop floods. They provide homes for animals, and reduce the effect fo climate change. Read loudly and clearly Choose a another suitable title : a How to make sugar b How plants work c Why plants are great d Going to the green workshop Read and choose “How plants work” V.S. “Within a plant” The word "plant" has two meanings: 植物&工厂。（pun双关） Key phrases ! Must do: Read the passage fluently; Choose to do: Make a poster to introduce how plants work, including the process and its importance. Lavf59.14.100 $