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