(
课件网) Unit 5 The Power of Plants Starting out 英语外研版七年级上册 通过本课时学习，学生能够： 1.激活和植物有关的知识，了解植物的有趣知识，初步感知植物的奇妙之 处，激发对植物的兴趣； 2.归纳总结植物在人类生活中的作用，初步感知植物与人类的关系； 3.准确描述自认为最神奇或最有用的植物，并阐释理由。 Learning objectives 重点 重点 Look and answer 1. What is happening in the picture 2. How does it make you feel A plant is breaking through the ground. Powerful/Aamazing/Hardy/Surprising... Let’s explore the amazing world of plants. Look and answer Watch and answer What amazing facts about plants are mentioned in the video Watch and answer What amazing facts about plants are mentioned in the video Plants are everywhere, even in space. Some bamboo can even grow 91 centimetres in just one day. People began to grow their food over 10,000 years ago. People use different plants to make medicines. Venus flytrap (捕蝇草) Eating Bugs (昆虫): There is a plant called Venus flytrap that eats bugs. It has a special mouth that closes when a bug lands on it. Think and say What other facts do you know about plants Think and say Making Babies: Plants can make babies in two ways. They can make seeds, which are like tiny babies that grow into new plants. Or they can just grow a new part that becomes a new plant. What other facts do you know about plants Talking to Each Other: Plants can send messages to each other through the dirt(泥土) to warn about danger. Think and say What other facts do you know about plants Think and say Drinking Straws (吸管): Plants have tubes(管状物) that are like straws. They use these to drink water from the ground. What other facts do you know about plants Think and say What other facts do you know about plants Friends with Fungi(真菌): Plants have friends called fungi that live in the dirt. These fungi help the plants get food. High and Low: Plants live in many places. Some live in the tallest trees, and some live under the ground. Think and say What other facts do you know about plants There are so many cool things to know about plants! Let’s talk —Which fact interests you the most —The fact that plants can eat bugs interests me the most. Let’s explore This is the largest flower in the world. Diameter(直径): 1.4 meters Weigh: 10 kilograms This is the smallest seed and flowering plant in the world. Long: over 1 mm Wide: less than 1 mm Amazing plants There are many amazing plants in the world. Do you know them This kind of tree contains strong toxicity(毒性). Snowdrops can bloom in temperatures as low as minus 50 degrees Celsius(零下50摄氏度) and have a very strong tolerance(耐力) to cold. Let’s explore Amazing plants There are many amazing plants in the world. Do you know them Wheat flower is the flower of wheat, an important food crop(庄稼) in the world. It has a very short flowering period(周期), usually only opening for 5 to 30 minutes. It takes about 2 to 3 days for the whole yea ... ...
