← Inventions and inventors lesson New set →

Class 4 GK Worksheet: Inventions and Inventors

GK lesson 21: Inventions and inventors · Set 49 · 40 questions
TalentJR

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

Answer key

  1. True
  2. False
  3. the stethoscope
  4. False
  5. clock
  6. René Laennec
  7. True
  8. telephone
  9. True
  10. True
  11. False
  12. False
  13. compass
  14. False
  15. True
  16. False
  17. thermometer
  18. Louis Braille
  19. Alexander Fleming
  20. calculator
  21. False
  22. telescope
  23. Edward Jenner
  24. see tiny germs
  25. False
  26. False
  27. Alessandro Volta
  28. raised-dot writing
  29. the smallpox vaccine
  30. False
  31. the first aeroplane
  32. penicillin
  33. see faraway stars
  34. tell the time
  35. find directions
  36. True
  37. False
  38. talk to people far away
  39. hear the heartbeat
  40. Alexander Graham Bell

Free gk lessons, practice and worksheets at talentjr.in/gk-worksheets