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