2. Study the Active Vocabulary. Insert the missing words. 1. Can you ___ cubic metre into cubic centimetres? 2. The ___ between Moscow and Samara is 1049 ___. 3. 'Biology' is a ___ word, and 'science' is a ___ one. 4. The teacher ___ one of his pupils with a difficult task. 5. Newton was a great ___ who formulated laws of gravitation. 6. What is the ___ of this swimming pool? - The swimming pool is twenty-five ___ long and two ___ deep, and ten ___ wide. So, I twenty-five by two and by ten and I get five hundred ___. 7. The ___ of ice is more than the ___ of water as a liquid. But the ___ of ice is less than the ___ of water at 4 °C. 8. Who was the first traveller who reached the south ___? 9. The ___ that studies stars is astronomy. 10. The ___ units of the ___ systems are a metre, a ___ and a ___.