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Scientists Make Molecule-Sized Electric Motor (7th September, 2011)Scientists have made the smallest electric motor ever created. It is a feat of scientific genius that most of us could never even try to understand. Dr. Charles Sykes and his team from America’s Tufts University created the motor from a single molecule just a billionth of a metre wide. Dr Sykes is in contact with the Guinness Book of World Records to have his motor recognised as the smallest ever. The current world-record holder is a 200-nanometre-long nano-tube made from carbon. Dr Sykes’ creation is an incredible 200 times smaller. Naturally, the researchers hope their creation has uses for mankind. It will be used to power the tiniest machines ever built, and be used by doctors in nano-surgery and robotic surgery. It is the first time an electric motor has been made from a single molecule. Scientists can make molecules convert energy from light and chemical reactions into movement, but Dr Sykes’ invention is the first to be classed as a motor something that can continually generate power. There is some mind-boggling science behind Sykes’ device. A combination of chemicals and metals produces the miniscule motor that rotates 50 times a second. Dr Sykes was excited about the future of his discovery, saying: "The next thing to do is to get the thing to do work that we can measure - to [link] it to other molecules, lining them up next to one another so they're like miniature cog-wheels.”
WARM-UPS1. NANOTECHNOLOGY: Walk around the class and talk to other students about nanotechnology. Change partners often. 2. CHAT: In pairs / groups, decide which of these topics or words from the article are most interesting and which are most boring.
Have a chat about the topics you liked. Change topics and partners frequently. 3. NANO-: What could we do with these nano-sized things? Complete this table with your partner(s). Change partners and share what you wrote. Change and share again.
4. SCIENCE: Students A strongly believe scientists will solve all of the world’s problems one day; Students B strongly believe they won’t. Change partners again and talk about your conversations. 5. NANO-MOTOR: What are the best uses for it? Rank these and share your rankings with your partner. Put the best at the top. Change partners and share your rankings again.
6. GENIUS: Spend one minute writing down all of the different words you associate with the word ‘genius’. Share your words with your partner(s) and talk about them. Together, put the words into different categories. BEFORE READING / LISTENING1. TRUE / FALSE: Read the headline. Guess if a-h below are true (T) or false (F).
2. SYNONYM MATCH: Match the following synonyms from the article.
3. PHRASE MATCH: (Sometimes more than one choice is possible.)
WHILE READING / LISTENINGGAP FILL: Put the words into the gaps in the text.
LISTENING Listen and fill in the gapsScientists have made the smallest electric motor ever created. _______________________ genius that most of us could never even try to understand. Dr. Charles Sykes and his team from America’s Tufts University created the motor from a single molecule _______________________ metre wide. Dr Sykes is in contact with the Guinness Book of World Records to _______________________ as the smallest ever. The current world-record holder is a 200-nanometre-long nano-tube made from carbon. Dr Sykes’ creation is an _______________________. Naturally, the researchers hope their creation _______________________. It will be used to power the tiniest machines ever built, and be used by doctors in _______________________ surgery. It is the first time an electric motor has _______________________ molecule. Scientists can make molecules _______________________ and chemical reactions into movement, but Dr Sykes’ invention is the first to be classed as a motor something that can _______________________. There is some mind-boggling science behind Sykes’ device. A combination of chemicals and metals produces the _______________________ 50 times a second. Dr Sykes was excited about the future of his discovery, saying: "The next thing to do is to get the thing to do work _______________________ - to [link] it to other molecules, lining them up next to one another so they're _______________________.”
AFTER READING / LISTENING1. WORD SEARCH: Look in your dictionary / computer to find collocates, other meanings, information, synonyms … for the words ‘electric’ and ‘motor’.
2. ARTICLE QUESTIONS: Look back at the article and write down some questions you would like to ask the class about the text.
3. GAP FILL: In pairs / groups, compare your answers to this exercise. Check your answers. Talk about the words from the activity. Were they new, interesting, worth learning…? 4. VOCABULARY: Circle any words you do not understand. In groups, pool unknown words and use dictionaries to find their meanings. 5. TEST EACH OTHER: Look at the words below. With your partner, try to recall how they were used in the text:
STUDENT NANOTECHNOLOGY SURVEYWrite five GOOD questions about nanotechnology in the table. Do this in pairs. Each student must write the questions on his / her own paper. When you have finished, interview other students. Write down their answers.
NANOTECHNOLOGY DISCUSSIONSTUDENT A’s QUESTIONS (Do not show these to student B)
----------------------------------------------------------------------------- STUDENT B’s QUESTIONS (Do not show these to student A)
LANGUAGE MULTIPLE CHOICEScientists have made the smallest electric motor ever created. It is a (1) ____ of scientific genius that most of us could never even try to understand. Dr. Charles Sykes and his team from America’s Tufts University created the motor from a single molecule (2) ____ a billionth of a metre wide. Dr Sykes is (3) ____ contact with the Guinness Book of World Records to have his motor recognised as the smallest ever. The current world-record holder is a 200-nanometre-(4) ____ nano-tube made from carbon. Dr Sykes’ creation is an incredible 200 times smaller. Naturally, the researchers hope their creation has uses for (5) ____. It will be used to (6) ____ the tiniest machines ever built, and be used by doctors in nano-surgery and robotic surgery. It is the first time an electric motor has been made from a single molecule. Scientists can make molecules (7) ____ energy from light and chemical reactions into movement, but Dr Sykes’ invention is the first to be (8) ____ as a motor something that can continually generate power. There is some (9) ____-boggling science behind Sykes’ device. A combination (10) ____ chemicals and metals produces the miniscule motor that rotates 50 times a second. Dr Sykes was excited about the future of his discovery, (11) ____: "The next thing to do is to get the thing to do work that we can measure - to [link] it to other molecules, lining them (12) ____ next to one another so they're like miniature cog-wheels.” Put the correct words from the table below in the above article.
WRITINGWrite about nanotechnology for 10 minutes. Correct your partner’s paper. _____________________________________________________________________________ _____________________________________________________________________________ _____________________________________________________________________________ _____________________________________________________________________________ _____________________________________________________________________________ _____________________________________________________________________________ _____________________________________________________________________________ _____________________________________________________________________________ _____________________________________________________________________________ _____________________________________________________________________________ _____________________________________________________________________________ _____________________________________________________________________________ _____________________________________________________________________________ _____________________________________________________________________________ _____________________________________________________________________________ _____________________________________________________________________________ _____________________________________________________________________________ _____________________________________________________________________________ _____________________________________________________________________________ _____________________________________________________________________________ HOMEWORK1. VOCABULARY EXTENSION: Choose several of the words from the text. Use a dictionary or Google’s search field (or another search engine) to build up more associations / collocations of each word. 2. INTERNET: Search the Internet and find out more about Dr Sykes’ nanotechnology device. Share what you discover with your partner(s) in the next lesson. 3. NANOTECHNOLOGY: Make a poster about nanotechnology. Show your work to your classmates in the next lesson. Did you all have similar things? 4. THE MOTOR: Write a magazine article about the nanotechnology motor. Include imaginary interviews with scientists who are excited about it. Read what you wrote to your classmates in the next lesson. Write down any new words and expressions you hear from your partner(s). 5. LETTER: Write a letter to a nanotechnology expert. Ask him/her three questions about nanotechnology. Give him/her three ideas on what to make next. Read your letter to your partner(s) in your next lesson. Your partner(s) will answer your questions.
ANSWERSTRUE / FALSE:
SYNONYM MATCH:
PHRASE MATCH:
GAP FILL: Scientists make molecule-sized electric motorScientists have made the smallest electric motor (1) ever created. It is a feat of scientific (2) genius that most of us could never even try to understand. Dr. Charles Sykes and his team from America’s Tufts University created the motor from a single molecule (3) just a billionth of a metre wide. Dr Sykes is in (4) contact with the Guinness Book of World Records to have his motor recognised as the smallest ever. The current world-record (5) holder is a 200-nanometre-long nano-tube made from carbon. Dr Sykes’ creation is an (6) incredible 200 times smaller. Naturally, the researchers hope their creation has uses for (7) mankind. It will be used to power the tiniest machines ever built, and be used by doctors in nano-surgery and (8) robotic surgery. It is the first time an electric motor has been made from a single molecule. Scientists can make molecules (9) convert energy from light and chemical (10) reactions into movement, but Dr Sykes’ invention is the first to be (11) classed as a motor something that can continually generate power. There is some (12) mind-boggling science behind Sykes’ device. A combination of chemicals and metals produces the miniscule motor that (13) rotates 50 times a second. Dr Sykes was excited about the future of his (14) discovery, saying: "The next thing to do is to get the thing to do work that we can (15) measure - to [link] it to other molecules, lining them up next to one another so they're like miniature (16) cog-wheels.” LANGUAGE WORK
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