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It was invented in 1876.
It was invented by Bell.
It is used for calling someone.
telephone
It was invented in 1971.
It is made of plastic.
It is used for studying or playing games.
computer
A:when was …… invented ?
B:It was invented in……
A:who was it invented by? B:It was invented by…
A:what is it used for ?
B:It is used for ……
1927
John Baird
watching programs
1885
Carl Benz
driving
1971
studying or playing games
1876
Bell
calling someone
How did they think of that ?
crayon holders
earmuffs
wristies
popsicles
1.When were popsicles invented?