Відповіді: Стр.90 (A-B)

A. Read the quote and discuss the questions.

“Chance favours the prepared mind” means that knowledge helps us recognise opportunities. Penicillin was discovered by accident.

B. How were penicillin, crisps and Post-it notes invented?

Penicillin was discovered when Fleming noticed mould on a culture plate. Crisps were invented when George Crum made very thin fried potatoes for a dissatisfied customer. Post-it notes came from a weak glue used by Art Fry for bookmarks.