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