1. Find synonyms or antonyms among the words given in italics in the text and name them. Be careful as the verbs are used in different forms
2. Fill in the table with the missing part of speech. Use the text. Write out 3-4 sentences from the text where these words are used.
| Noun | Verb |
| to break | |
| discover | |
| to define | |
| dismissal | |
| to remove | |
| correspondence | |
| to publish | |
| release | |
| to prove | |
| implication |
3. Make up word combinations matching the words of two columns. Use one word from each column once only. Think of 4 sentences where these expressions can be used.
| to begin | dismissal |
| to follow | one’s way |
| to flee | via correspondence |
| to avoid | conclusion |
| to make | implications |
| to collaborate | collaboration |
| to grasp | abroad |
| to come to | Fermi’s work |
4. Fill in the blanks using suitable prepositions.
1. She also fell … the Nazi definition of a Jew.
2. The task fell … Otto Hahn.
3. They were inspired … his results.
4. They kept … working.
5. He was urged … by his colleagues.
6. The world was … risk.
7. He closed … on the secrets of fission.
8. She crossed the Dutch border … the help of her colleagues.
9. Nuclei split … lighter elements.
10. Hitler’s rise … power forced Jewish scientists leave Germany.
5. Replace the word in italics with a suitable word from the box.
| properties | divided | repeat | mistakes | number |
| fast | society | researched | made | created |
1. They jointly investigated radioactive substances.
2. He managed to reveal some qualities of gamma rays.
3. We began a series of experiments.
4. She was forced to do it.
5. The nucleus of uranium is split into nuclei of other elements.
6. He coined a new term.
7. The community soon learnt the news.
8. There are a lot of spelling errors in his report.
9. They managed to replicate his results.
10. She watched a rapid release of excess neutrons during the reaction.