Class 4 GK Worksheet: Inventions and Inventors
Remember (Who and what for?): Telephone – Alexander Graham Bell, first aeroplane – the Wright brothers, printing press – Johannes Gutenberg, raised-dot writing – Louis Braille. Smallpox vaccine – Edward Jenner, penicillin – Alexander Fleming, stethoscope – René Laennec, electric battery – Alessandro Volta, X-rays – Wilhelm Röntgen. Uses: telephone – talk far away, thermometer – body temperature, compass – directions, telescope – faraway stars, microscope – tiny germs.
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- 1.💡 Who gave us the first aeroplane? (a) Wilhelm Röntgen (b) Louis Braille (c) the Wright brothers (d) René Laennec
- 2.What does a clock help us do? (a) see tiny germs (b) tell the time (c) see faraway stars (d) measure body temperature
- 3.True or false: a telescope helps us talk to people far away. (a) True (b) False
- 4.True or false: Wilhelm Röntgen gave us X-rays. (a) False (b) True
- 5.💡 Who gave us the stethoscope? (a) Alexander Fleming (b) René Laennec (c) Wilhelm Röntgen (d) Louis Braille
- 6.What does a telephone help us do? (a) do sums quickly (b) print many books (c) tell the time (d) talk to people far away
- 7.True or false: the Wright brothers gave us the first aeroplane. (a) True (b) False
- 8.🔧 Which invention helps us see tiny germs? (a) telephone (b) compass (c) microscope (d) printing press
- 9.🔧 Which invention helps us hear the heartbeat? (a) microscope (b) calculator (c) clock (d) stethoscope
- 10.What did Alexander Fleming give us? (a) the electric battery (b) penicillin (c) the first aeroplane (d) raised-dot writing
- 11.What does a printing press help us do? (a) tell the time (b) hear the heartbeat (c) print many books (d) talk to people far away
- 12.What did the Wright brothers give us? (a) the electric battery (b) raised-dot writing (c) the stethoscope (d) the first aeroplane
- 13.What does a microscope help us do? (a) see tiny germs (b) see faraway stars (c) do sums quickly (d) talk to people far away
- 14.True or false: a calculator helps us measure body temperature. (a) False (b) True
- 15.What did René Laennec give us? (a) the smallpox vaccine (b) the stethoscope (c) the electric battery (d) the first aeroplane
- 16.What does a telescope help us do? (a) find directions (b) see faraway stars (c) measure body temperature (d) see tiny germs
- 17.What did Alessandro Volta give us? (a) the electric battery (b) the telephone (c) X-rays (d) the first aeroplane
- 18.True or false: a thermometer helps us see faraway stars. (a) True (b) False
- 19.True or false: a telescope helps us see faraway stars. (a) False (b) True
- 20.True or false: Johannes Gutenberg gave us the printing press. (a) True (b) False
- 21.True or false: a telephone helps us talk to people far away. (a) True (b) False
- 22.What did Louis Braille give us? (a) the electric battery (b) the telephone (c) raised-dot writing (d) the first aeroplane
- 23.💡 Who gave us the electric battery? (a) Edward Jenner (b) Alessandro Volta (c) Louis Braille (d) Johannes Gutenberg
- 24.What does a compass help us do? (a) see faraway stars (b) do sums quickly (c) measure body temperature (d) find directions
- 25.True or false: Louis Braille gave us raised-dot writing. (a) False (b) True
- 26.🔧 Which invention helps us print many books? (a) microscope (b) printing press (c) telephone (d) calculator
- 27.True or false: Wilhelm Röntgen gave us penicillin. (a) False (b) True
- 28.💡 Who gave us the printing press? (a) René Laennec (b) Johannes Gutenberg (c) Alessandro Volta (d) the Wright brothers
- 29.True or false: Edward Jenner gave us the smallpox vaccine. (a) False (b) True
- 30.True or false: a stethoscope helps us hear the heartbeat. (a) True (b) False
- 31.True or false: Wilhelm Röntgen gave us raised-dot writing. (a) False (b) True
- 32.True or false: a printing press helps us print many books. (a) True (b) False
- 33.🔧 Which invention helps us tell the time? (a) printing press (b) calculator (c) clock (d) telephone
- 34.True or false: the Wright brothers gave us the telephone. (a) True (b) False
- 35.True or false: Wilhelm Röntgen gave us the telephone. (a) True (b) False
- 36.💡 Who gave us the telephone? (a) Alexander Fleming (b) Alexander Graham Bell (c) the Wright brothers (d) Edward Jenner
- 37.🔧 Which invention helps us see faraway stars? (a) calculator (b) telephone (c) telescope (d) microscope
- 38.What did Edward Jenner give us? (a) the printing press (b) penicillin (c) the stethoscope (d) the smallpox vaccine
- 39.What did Johannes Gutenberg give us? (a) the printing press (b) raised-dot writing (c) the first aeroplane (d) the smallpox vaccine
- 40.What does a stethoscope help us do? (a) hear the heartbeat (b) find directions (c) see tiny germs (d) do sums quickly
Answer key
- the Wright brothers
- tell the time
- False
- True
- René Laennec
- talk to people far away
- True
- microscope
- stethoscope
- penicillin
- print many books
- the first aeroplane
- see tiny germs
- False
- the stethoscope
- see faraway stars
- the electric battery
- False
- True
- True
- True
- raised-dot writing
- Alessandro Volta
- find directions
- True
- printing press
- False
- Johannes Gutenberg
- True
- True
- False
- True
- clock
- False
- False
- Alexander Graham Bell
- telescope
- the smallpox vaccine
- the printing press
- hear the heartbeat
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