Complete the collocations in red in the text and Exercise 6 with the correct noun. Then listen, check and repeat.
Complete the descriptions with appropriate verbs. Then write short descriptions of the scientists who are not described.
Complete the underlined phrases in the text and Exercise 6 with the correct preposition. Then listen, check and repeat.
Complete the questions with a verb or a noun. Then ask and answer the questions.
In pairs, complete these scientific facts using the words in Exercise 11.