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