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A lecture about an experiment

Listen to the lecture about a science experiment to practise and improve your listening skills.

Do the preparation task first. Then listen to the audio and do the exercises.

Debate

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Nivel de idioma

Upper intermediate: B2

Comments

I don’t understand
The experiment has a tragic story associated with it. Professor Parnell died without seeing a pitch drop.

Hello nona nasr,

Professor Parnell set the experiment up and it would have been nice if he had seen the pitch drop, but unfortunately he did not. This is why the story has a sad (tragic) side.

 

Peter

The LearnEnglish Team

I've got a question.
The thing is that the instructions of the second task are asking for an answer with one or three words, nevertheless one of the answers is a word and a NUMBER.
Shouldn't it be a good idea to say "Complete the sentences with one to three words or/and numbers?

Hello David Horacio

Thanks for the suggestion. I've changed the instructions.

Best wishes

Kirk

The LearnEnglish Team

I don't know any sophisticated experiment like the 'Pitch drop'

Yes, i know. The most well-known experment at biology is Mendel's experiment on peas plants in1800s.

Yes. They includes colour mixtures, mixtures of solution, solar, sunlight in plant growth and so on.

Yes, I gues the most famous experiment I know is The Laika's launch, when Sovietics sent a dog into a space mission becuse they wanted to test if the space travels are safety for humans. The dog would never come back, it was a suicide mission and it is really shocking to me.

Will Iam not familiar with the experiments that are happening ,but i look forward to read more about them .

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