Assembling the bell, the relay and the electric motor

Lessons 30–31 · 2 lessons · Mehnat ta’limi (Texnologiya) – Labour Education (Technology), textbook for Grade 7 of general secondary schools. Ministry of Public Education of Uzbekistan. Sharq Publishing, Tashkent, 2016/2017 (authors not named in the extracted text)

Answers are for parents and teachers.

Write the 7 steps of assembling an electric bell.

Write the difference between a relay and an electromagnet in 3 sentences.

A toy car at 3 m/s runs 8 s: how many metres?

Find 3 household appliances with a commutator motor (with an adult).

Choose two electrical trades and write what they do.