Progress in technology and production
Answers are for parents and teachers.
1
Give 4 examples of fields where electricity began to be used.
Lighting, trams and railways, factory motors, telephone and telegraph.
2
Choose one invention and write its effect on society in 5 sentences.
Individual answer: the invention, year, inventor, and what convenience or change it brought.
3
Explain the link between technical progress and the growth of production.
New machines and energy raised productivity, and growing production in turn increased demand for new technology.
4
Give examples of technology used in the military and write how it affected the 1914–1918 war.
Machine gun, smokeless powder, submarine, tank, aeroplane: the war became longer and costlier in lives.
5
Write the difference between radio and telephone.
The telephone connects two people through wires; radio sends signals by electromagnetic waves, wirelessly, to many listeners.