1) Match the science with its definition ( cryogenics / astronautics / ethnology / ergonomics / astrophysics / cybernetics / civil engineering / geopolitics ).1. Design and construction of roads, bridges, buildings 2. Science of very low temperatures

3. Science of communication and control in machines and brain

4. Study of work environments and conditions
5.Scientific study of the chemical nature and natural forces influencing stars

6.Study of the influence of a country’s position on its politics

7.Scientific study of space travel

8.Scientific study of human races and their characteristics

2)Complete the sentences with the suitable types of inventions from the box
(appliances / device / gadgets / machine / machinery / motor)
1 Empty the washing ... .
2 They have installed all the latest household ... .
3 The factory’s current technology requires new industrial ... .
4 The tin-opener is a handy ... .
5 ... are small mechanical tools.
6 ... bikes are dangerous to ride