4. James Watt. Fill in the words given on the right in their correct form.
It is said that James Watt (1736–1819), a
famous ... , developed his idea for the steam engine
by watching a ... kettle in his mother’s kitchen and
seeing how the steam pushed things out! He first
became interested in machines, working as an
ordinary mechanic at Glasgow University, which
had been founded centuries before in 1451. This
interest in the steam engine turned it into one of the
most ... and ... machines in the ... Revolution.
Throughout his life, he could not stop inventing all kinds of
machines. Some of these ... were still being used earlier this century.

science
boil
power
importance
industry
invent