Iinventions and Discoveries. Passive Voice.
Steam locomotives were used in the past, but they can be still … today.
A lot of experiments … in Chemistry classes.
Science subjects … to be difficult to understand by many students.
Old and precious things … and looked after in a museum.
‘Science Night’ … for children and their parents when they … to spend an evening doing fun science-based activities and then spend the night in the museum among the exhibits.
The theory of relativity was developed by ...
The first step on the Moon was taken by ...
The first bicycle was built in ...
The radioactive elements radium and polonium were discovered by...
Television was invented in ...
The steam engine was constructed by ...
Hot baths and central heating were first used by ...
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