Ages of technology
Answers are for parents and teachers.
1
Ask a grandparent or an older person: what did people use to send news when you were a child? Write one sentence.
Answers differ, for example letters, telephones with wires, or telegrams.
2
Draw the four ages in order on a strip of paper and write the years under each.
Check the order: Pre-Mechanical, Mechanical (1450 to 1840), Electro-Mechanical (1840 to 1940), Electronic (1940 to now).
3
Find three things at home that use electricity to share information (for example a television or a telephone). Write their names.
Answers differ. Any sensible devices are fine.
4
A girl writes 15 words in 3 minutes. What is her speed in words per minute? Show the sum.
5 words per minute, because 15 ÷ 3 = 5.
5
Choose the best way to send each message and say why: (a) “I am ready, come now”; (b) a long story for your uncle abroad.
(a) A short message, because it is quick. (b) A letter or an email, because it has room for a long story.