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