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