Задание 2. Ответьте на вопросы по содержанию текста

1. How is the activity of obtaining and comparing physical quantities of real-world objects and events called?

2. What instruments are mentioned in the text?

3. What can be measured by time measurement device?

4. What instruments measure electrical qualities?

Задание 3. Переведите письменно последний абзац текста.