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