Unit 3 Understanding ideas ( A helping hand)课件2026-2027学年外研版英语八年级上册

该初中英语课件围绕“帮助他人”与“发明解决问题”主题，以视频问题导入，通过图片提问预测文章内容，分段设置问题（如Easton如何产生发明想法、改进假肢等），搭建从阅读理解到任务应用的学习支架，引导学生逐步掌握核心知识点。 其亮点在于融合语言能力与思维品质培养，通过阅读Easton用3D打印机发明低成本假肢并免费分享的故事，提升学生语言理解与表达能力，任务设计（思考日常问题、创作发明广告）激发分析与创造思维。文化意识上传递善良、慷慨价值观，学生能提升问题解决能力，教师可高效开展读写结合教学。

Who is helpful in the video ? If you see someone in trouble , will you give him/ her a hand ? = lend him/her a hand -Where was the boy ? -What was the boy doing ? -What was in his hand ? Look and say! -At a fair. -Maybe he was showing his work. -A robotic arm. artificial Look at the title and the pictures , read fast and predict : what’s the passage about ? It’s mainly about how the boy (Easton) helped people with his invention , an artificial arm ! Easton LaChappelle, a 14-year-old student, stood beside his work at a science fair. It was a robotic arm. He built it out of plastic blocks and fishing line. "Hello," said a girl with an artificial arm, as she shook hands with Easton's work. This was the first time Easton met Jenny. The girl was born without an arm. Her artificial arm was just a simple hook, but it cost $80,000. What's worse, children like her grow quickly and need new arms all the time. This created a difficult condition for Jenny's family. "It blew me away! I built my arm for only $300," thought Easton. "I must lend a hand to people like her." After the fair, Easton's room became a lab. He stayed there all day. He always tried to improve his work. For his 16th birthday, Easton got a 3-D printer. And with it, he invented an artificial arm. It was able to move with brain signals of the user. But it wasn't good enough yet: the arm weighed 3.6 kilograms. It was too heavy for a child. Easton kept working on it. He enjoyed fixing problems one after another. And finally he hit on success at age 23. His design only weighed 0.5 kilograms and cost around $500! Easton's invention has helped many children. He didn't want to make money from it. He decided to post his design online... for free! People can download the design and make an artificial armwith their own 3-D printers! What a helping hand! Order the following events in the passage: _________ Easton made a robotic arm with plastic blocks and fishing line. _________ Easton allowed people to use his design for free. _________ Easton and Jenny met at a science fair. _________ Easton made an artificial arm with a 3-D printer. Easton LaChappelle, a 14-year-old student, stood beside his work at a science fair. It was a robotic arm. He built it out of plastic blocks and fishing line. "Hello," said a girl with an artificial arm, as she shook hands with Easton's work. This was the first time Easton met Jenny. The girl was born without an arm. Her artificial arm was just a simple hook, but it cost $80,000. What's worse, children like her grow quickly and need new arms all the time. This created a difficult condition for Jenny's family. "It blew me away! I built my arm for only $300," thought Easton."I must lend a hand to people like her." After the fair, Easton's room became a lab. He stayed there all day. He always tried to improve his work. For his 16th birthday, Easton got a 3-D printer. And with it, he invented an artificial arm. It was able to move with brain signals of the user. But it wasn't good enough yet: the arm weighed 3.6 kilograms. It was too heavy for a child. Easton kept working on it. He enjoyed fixing problems one after another. And finally he hit on success at age 23. His design only weighed 0.5 kilograms and cost around $500! Easton's invention has helped many children. He didn't want to make money from it. He decided to post his design online... for free! People can download the design and make an artificial arm with their own 3-D printers! What a helping hand! A helping hand Divide the passage ： a. How did Easton come up with the idea ? b.How did Easton improve his invention ? c.What did Easton do with his invention ? d. Praise . Easton LaChappelle, a 14-year-old student, stood beside his work at a science fair. It was a robotic arm. He built it out of plastic blocks and fishing line. "Hello," said a girl with an artificial arm, as she shook hands with Easton's work. This was the first time Easton met Jenny. The girl was born without an arm. Her artificial arm was just a simple hook, but it cost $80,000. What's worse, children like her grow quickly and need new arms all the time. This created a difficult condition for Jenny's family. "It blew me away! I built my arm for only $300," thought Easton."I must lend a hand to people like her." Part 1:...came up with the idea -What was Easton’s work at the fair ? -What was it made of ? -Why was it difficult for Jenny’s family? -How did Easton feel after he knew the fact ? After the fair, Easton's room became a lab. He stayed there all day. He always tried to improve his work. For his 16th birthday, Easton got a 3-D printer. And with it, he invented an artificial arm. It was able to move with brain signals of the user. But it wasn't good enough yet: the arm weighed 3.6 kilograms. It was too heavy for a child. Easton kept working on it. He enjoyed fixing problems one after another. And finally he hit on success at age 23. His design only weighed 0.5 kilograms and cost around $500! Part 2: how Easton improved his work Was Easton pleased with his first artificial arm ? Pleased : Because it was able to move with _____________________ of users. Not Pleased : Because it _________ 3.6 kgs . It was too ___________ for a child. brain signals weighed heavy Part 3: What did Easton do with his invention Easton's invention has helped many children. He didn't want to make money from it. He decided to post his design online... for free! People can download the design and make an artificial arm with their own 3-D printers! What did Easton do with his invention? Why did he do so ? To help more people in need. Look through the passage and finish . science fair without an arm grow quickly fishing line move weighed cost design How would Jenny’s life change with Easton’s invention? Jenny’s life would be much _____________. She can ______________________________________. The artificial arm looks ____________ than a hook , and it’s much _____________,so her family can save more money. easier do more activities better cheaper What do you learn from Easton? Be creative Be persistent Be kind Be generous ... Inventions can really solve problems ! Work in pairs ,think about a problem and an invention to solve the problem. Then write an advertisement for it . find ? people? A: What problem do blind students face ? B: They can’t see very well. A: How does the problem trouble them ? B: They have a hard time moving around because they can’t see the objects in their way. A: What invention could solve the problem? B: A smart machine to warn them about the objects in their way. A: How does the invention work? B: It works by sensing objects nearby and shaking to warn the user. Step 1: Think about a problem Come up with an idea Step 2: Write an advertisement . Useful expressions； . ... was just a(an) ..., but it cost ... . What’s worse,... . I must lend a hand to ... . I’m going to invent a(an)... . It will be able to ... Think about : 什么文体？ 第几人称？ 什么时态? 什么格式？ Think about : 什么文体？ 第几人称？ 什么时态? 什么格式？ Homework : Must-do Share about ideas about an invention solving problems. Choose-to-do Search for more information about other inventions that can solve problems ,try to write and share with classmates or post it online . $