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

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1. Can you convert cubic metre into cubic centimetres?
2. The distance between Moscow and Samara is 1049
3. 'Biology' is a subject word, and 'science' is a general one.
4. The teacher helped one of his pupils with a difficult task.
5. Newton was a great scientist who formulated laws of gravitation.
6. What is the size of this swimming pool? - The swimming pool is twenty-five metres long and two metres deep, and ten metres wide. So, I calculate twenty-five by two and by ten and I get five hundred
7. The density of ice is more than the density of water as a liquid. But the freezing point of ice is less than the freezing point of water at 4 °C.
8. Who was the first traveller who reached the south pole?
9. The astronomer that studies stars is astronomy.
10. The units of the metric systems are a metre, a kilogram and a second