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