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