Unit 2 Language and communication（Discovery）课件 2025-2026学年沪教版（五四学制）英语七年级下册

Language and communication 第六课时 Unit 2 Discovery 初中英语沪教版（五四制）七年级下册 Learning objectives 通过本课时的学习，学生能够： 1. 获取古今多种通信方式的起源、用途及特点等相关信息； 2. 通过小组讨论，合作探究通信方式的演变过程及驱动原因； 3. 展开合理想象，探讨通信技术的未来发展； 4. 关注科技进步对社会生活的改变，培养跨学科思维和创新意识。 重点 Watch and answer What ancient ways of communication are mentioned in the video? 1. Smoke signal 2. Pigeons 3. Pony express 4. Semaphore flag Do you know some other ways of communication in ancient times? Look and say Can you think of some modern ways of communication? Telephone Texting Emails Video-chatting Social media ... Discuss and share Discuss the following question with your partner. Then, share with the class. Which way of communication impresses you the most? Why? What a big difference between ancient and modern communication! From pigeons carrying messages to instant video-chatting, it’s really amazing. Pigeons impress me the most. They fly far to carry messages, helping people stay in touch. I like modern video-chatting. It allows us to see and talk to friends anytime anywhere. Skim and answer Ancient and modern ways of communication Symbols for communication Symbols were used to deliver messages. The Chinese language was first written over 5,000 years ago. Oracle Bone Script are words or symbols on bones or tortoise shells in the Shang dynasty. Smoke signals Smoke signals were used to send messages. They were mostly used in ancient China. Chinese soldiers along the Great Wall sent smoke into the air as warnings of enemy attack. Switzerland Alphorns Alphorns were once used to communicate in the mountains of Switzerland. Alphorns are very long and heavy. The sound made by Alphorns travels much farther than the human voice. Telephones The first telephone was invented by Alexander Graham Bell in 1876. This allowed people to send voices over wires. Landline telephone services began in the 1900s. Mobile phones were invented in 1973. How many ways of communication are mentioned? What are they? Four. Read and answer Read Symbols for communication and answer the questions. Symbols for communication Symbols were used to deliver messages. The Chinese language was first written over 5,000 years ago. Oracle Bone Script are words or symbols on bones or tortoise shells in the Shang dynasty. 1. What were symbols used to do? They were used to deliver messages. 2. When was the Chinese language first written? 3. What are Oracle Bone Script? Over 5,000 years ago. Oracle Bone Script are words or symbols on bones or tortoise shells in the Shang dynasty. Read and answer Smoke signals Smoke signals were used to send messages. They were mostly used in ancient China. Chinese soldiers along the Great Wall sent smoke into the air as warnings of enemy attack. Read Smoke signals and answer the questions. 1. What were smoke signals used to do? They were used to send messages. 2. Where were smoke signals mostly used? 3. What did Chinese soldiers along the Great Wall use smoke for? They were mostly used in ancient China. They sent smoke into the air as warnings of enemy attack. Read and complete Switzerland Alphorns Alphorns were once used to communicate in the mountains of Switzerland. Alphorns are very long and heavy. The sound made by Alphorns travels much farther than the human voice. . Country of Origin Purpose Characteristics Sound Switzerland Very long and heavy Travels much farther than the human voice Read Switzerland Alphorns and complete the table. To communicate in the mountains Read and complete Telephones The first telephone was invented by Alexander Graham Bell in 1876. This allowed people to send voices over wires. Landline telephone services began in the 1900s. Mobile phones were invented in 1973. . Telephone Development Timeline in 1876 in the 1900s in 1973 ________________ ________________________ _____________ The first telephone was inventend. Landline telephone services began. Mobile phones were invented. by ____________________ to ___________________ Alexander Graham Bell send voices over wires Read Telephones and complete the timeline. Read and match Symbols for communication Smoke signals Switzerland Alphorns Telephones Match the communication ways with the descriptions. The sound travels much farther than the human voice. Soilders sent smoke into the air as warnings of enemy attack. Words or symbols are on bones or tortoise shells. People send voices over wires. Read and fill Read and fill in the blanks. Ancient and modern ways of communication 1. _______ for communication 4. _______ signals Switzerland Alphorns Telephones They were used to 2. _______ messages. Some words or symbols are on 3. ______ or tortoise shells. Ther were mostly used in 5. _______ China. Soliders sent smoke into the air as 6. ________. They’re used to communicate in the 7. ________. The sound travels 8. _____ than the human voice. The invention of the first telephone 9. _______ people to send voices over wire. 10. ____________ were invented in 1973. Symbols deliver bones Smoke ancient warnings mountains faster allowed Mobile phones Listen and read Ancient and modern ways of communication Symbols for communication Symbols were used to deliver messages. The Chinese language was first written over 5,000 years ago. Oracle Bone Script are words or symbols on bones or tortoise shells in the Shang dynasty. Smoke signals Smoke signals were used to send messages. They were mostly used in ancient China. Chinese soldiers along the Great Wall sent smoke into the air as warnings of enemy attack. Switzerland Alphorns Alphorns were once used to communicate in the mountains of Switzerland. Alphorns are very long and heavy. The sound made by Alphorns travels much farther than the human voice. Telephones The first telephone was invented by Alexander Graham Bell in 1876. This allowed people to send voices over wires. Landline telephone services began in the 1900s. Mobile phones were invented in 1973. Listen and read after it loudly. Discuss and share Work in groups and discuss the following questions. Then, share your answers with the class. Speed of Communication: In the past, methods like messengers, pigeons, and smoke signals took a long time. Today, we can communicate instantly using phones and the internet. Convenience: Communication used to require carriers, pigeons, or specific tools, but now, most people carry phones that allow them to communicate at any time. Coverage: Ancient communication was usually local or regional, while modern communication can spread across the globe in seconds. ... 1. How have communication ways changed over time? (speed, convenience, coverage ...) 2. What drive the changes in communication ways? Technological development. Social or cultural needs. ... Think and share In the future: Use your imagination and think about what the future ways of communication may be like? 1. Our telephones may have the function of real-time translation. 2. With new technology like 5G (and later 6G), the internet will be much faster. 3. We may talk to each other just by thinking. We wouldn’t need to type or speak, just think about what we want to say, and the other person would hear it. 4. ... Let’s enjoy Summary introduce some ancient and modern ways of communication. 2 1 After learning this lesson, I can talk about how the communication ways have changed and what the future ways of communication may be like. Homework 1. Draw a mind map about the ancient and modern ways of communication you’ve learned in this lesson. 2. Collect more information about the development of modern communication technology, such as 5G technology, satellite communication, etc. Then, share in the next class. Bye-bye! Lavf58.46.101 137697.05 $