1)
1. Design and construction of roads, bridges, buildings - civil engineering
2. Science of very low temperatures - cryogenics
3. Science of communication and control in machines and brain - cybernetics
4. Study of work environments and conditions - ergonomics
5. Scientific study of the chemical nature and natural forces influencing stars - astrophysics
6. Study of the influence of a country’s position on its politics - geopolitics
7. Scientific study of space travel - astronautics
8. Scientific study of human races and their characteristics - ethnology
2)
1. machine
2. appliances
3. machinery
4. device
5. gadgets
6. motor
Who helped her father?
What played the boys?
Did the children fetched water?
Are the princess lived in a castle?
Where they travvelled