Next August 30th we celebrate the festivity of Santa Roa of Lima, patron of the Province of La Pampa. Let's imagine you have to give a speech about life at the time when Santa Rosa was founded, 22nd of April, 1892. Look at the pictures and use the prompts to make a speech.
Monday, 20 July 2009
Penicillin
Look at this video about the origin of penicillin and put the sentences in chronological order.
1- When he returned to his lab, he found that one culture of bacteria was contaminated with a mould, and the bacteria that surrounded it was destroyed.
2- Fleming wanted to kill bacteria so he studied ant-bacteria agents.
3- Howard Florey produced the mould in great quantities.
4- His laboratory was always untidy.
5- One day he left his culture of a bacteria he was investigated on a bench in a corner of his lab.
6- Together, Fleming and Florey, saved the lives of millions of people.
7- Fleming found that cultivating this bacteria- killer was difficult because he needed a great amount of mould.
8- Fleming abandoned the study of penicillin.
9- Many people died from infected wounds in the war
10- That’s how the first antibiotic or bacteria-killer was discovered.
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