A board with buttons marked with letters or numbers that are pressed to put information into a computer or other machine.
Who invented the penicillin?
Isaak Newton was a...
My friend ............( give) a new phone last Saturday.
Classroom ......(clean) yesterday.
This house..........(buy) two years ago.
I ........( often / invite) to the parties.
The flowers ........( to water) every day.
Tea .........( to grow) in India.
Some inventions and discoveries . . . at the Science Museum.
Albert Einstein . . . all over the world.
Alexander Graham Bell is known to be an _______________ of telephone.
An antibiotic that can treat a range of bacterial infections was ____________ by Alexander Fleming.
One of the greatest ______________ in the world is the Internet.
What are the dangers of the Internet?
What are you doing here? Shouldn’t you be at home? - I’ve got no______ at home, so I am just sitting here to kill the time.
The science of living things.
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