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