TED-Ed: Why doesn't anything stick to Teflon? - Ashwini Bharathula

TED-Ed: Why doesn't anything stick to Teflon? - Ashwini Bharathula

Assessment

Interactive Video

Physics, Science, Chemistry

KG - University

Hard

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The video discusses the notorious mob boss John Gotti, known as the Teflon Don, and the material Teflon, or PTFE. Discovered by Roy Plunkett in 1938, PTFE is chemically inert and has a low friction coefficient, making it useful in various applications. Its molecular structure, with strong carbon-fluorine bonds, prevents substances from sticking. PTFE is applied to cookware through a special process, and while safe at moderate temperatures, it can release harmful fumes if overheated. The video also touches on the environmental and legal issues surrounding Teflon's production.

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5 questions

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1.

OPEN ENDED QUESTION

3 mins • 1 pt

What is Teflon and what are its main properties?

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2.

OPEN ENDED QUESTION

3 mins • 1 pt

Who discovered Teflon and in what year?

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3.

OPEN ENDED QUESTION

3 mins • 1 pt

Explain how PTFE is applied to pans to ensure it does not stick.

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4.

OPEN ENDED QUESTION

3 mins • 1 pt

What are the health concerns associated with PTFE and its manufacturing?

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5.

OPEN ENDED QUESTION

3 mins • 1 pt

Discuss the significance of the phrase 'The Teflon is gone' in relation to John Gotti.

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