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课件网) Unit 3 Make it happen! Presenting ideas & Reflection 学习目标 3 2 1 能够掌握与发明相关的词汇、短语及句式, 如 “invention（发明）”“inventor（发明家）” 等词汇。 深入了解发明相关知识, 包括发明产生的背景(问题与需求)、发明家故事、发明的材料和工作原理等。 激发学生对发明创造的兴趣, 培养创新思维和问题解决意识,理解发明源于生活需求等,增强探索精神。 What is this invention 新课讲授 the light bulb, the telephone and the Internet. Do you know other inventions I know the steam engine. It's a very important invention in history. The smartphone! It's a modern invention and we use it every day. Make a display board about an invention Step 1 Work in groups. Search for information about great inventions. They can be inventions from history or modern times. Talk a group vote to decide on one invention. name of the invention the inventor its importance Presenting ideas name of the invention the light bulb the inventor Thomas Edison its importance It gave brighter and safer light. Step 2 Prepare you display board and use the following outline to organise your ideas. You can you the language tips in the outline or find useful expressions or sentences from this unit. Let’s read: Problem、Solution、About the inventor、Materials、How it works People wanted a safer and brighter way to light up at night. People had a hard time seeing clearly after dark with dim candles. They wished for a stable light source. Problem -People wanted something... - People had a hard time... They wished... The answer was to create an electric - powered light. Edison decided to invent a light bulb. It was able to produce long - lasting bright light. Solution - The answer was to... - ... decided to invent a(n)... it was able to... Edison, a great inventor, was curious about electricity and lighting. He spent years studying electric currents and filament materials. Finally he invented the practical incandescent light bulb. About the inventor - a (n)... scientist /inventor, was curious about... - He / She spent years studying... - Finally he /she... Edison made the first practical bulb with a carbon filament, using glass and metal parts.sing his knowledge of chemistry and physics, Edison invented the bulb. Materials - ... made it out of... - Using..., ... invented the... It is able to work with an electric circuit to heat the filament and produce light. Once it senses the dark, it starts to light up. How it works - It is able to work with... - Once it senses..., it starts... Category Content Problem People had a hard time seeing at night with dim candles. They wished for a better light. Solution Edison decided to invent a light bulb. It was able to give bright, long - lasting light. About the inventor Edison, a famous inventor, was curious about electricity. He spent years studying filaments. Finally, he made the practical light bulb. Materials Made it out of carbon filament, glass, and metal. How it works Works by electricity heat ... ...
