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