← Inventions and inventors lesson New set →

Class 4 GK Worksheet: Inventions and Inventors

GK lesson 21: Inventions and inventors · Set 292 · 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.🔧 Which invention helps us measure body temperature? (a) telescope (b) calculator (c) microscope (d) thermometer
  2. 2.True or false: a printing press helps us print many books. (a) False (b) True
  3. 3.What did Wilhelm Röntgen give us? (a) the stethoscope (b) penicillin (c) X-rays (d) the first aeroplane
  4. 4.What did Alexander Fleming give us? (a) the first aeroplane (b) penicillin (c) raised-dot writing (d) the smallpox vaccine
  5. 5.True or false: Johannes Gutenberg gave us the printing press. (a) False (b) True
  6. 6.🔧 Which invention helps us tell the time? (a) microscope (b) compass (c) clock (d) thermometer
  7. 7.💡 Who gave us the smallpox vaccine? (a) Alexander Graham Bell (b) the Wright brothers (c) René Laennec (d) Edward Jenner
  8. 8.What does a printing press help us do? (a) find directions (b) talk to people far away (c) measure body temperature (d) print many books
  9. 9.True or false: Alexander Graham Bell gave us the telephone. (a) False (b) True
  10. 10.What does a calculator help us do? (a) print many books (b) tell the time (c) do sums quickly (d) find directions
  11. 11.💡 Who gave us the first aeroplane? (a) the Wright brothers (b) Louis Braille (c) Alexander Graham Bell (d) Edward Jenner
  12. 12.What does a telephone help us do? (a) do sums quickly (b) see faraway stars (c) find directions (d) talk to people far away
  13. 13.🔧 Which invention helps us print many books? (a) microscope (b) printing press (c) telephone (d) stethoscope
  14. 14.💡 Who gave us X-rays? (a) the Wright brothers (b) Wilhelm Röntgen (c) Alessandro Volta (d) Alexander Fleming
  15. 15.What does a clock help us do? (a) see faraway stars (b) tell the time (c) see tiny germs (d) measure body temperature
  16. 16.What did Edward Jenner give us? (a) X-rays (b) the first aeroplane (c) penicillin (d) the smallpox vaccine
  17. 17.💡 Who gave us the electric battery? (a) Louis Braille (b) Alessandro Volta (c) Edward Jenner (d) Johannes Gutenberg
  18. 18.True or false: Johannes Gutenberg gave us the telephone. (a) False (b) True
  19. 19.💡 Who gave us raised-dot writing? (a) René Laennec (b) Alexander Fleming (c) the Wright brothers (d) Louis Braille
  20. 20.True or false: a telephone helps us talk to people far away. (a) True (b) False
  21. 21.True or false: Edward Jenner gave us the smallpox vaccine. (a) True (b) False
  22. 22.What does a compass help us do? (a) see tiny germs (b) hear the heartbeat (c) print many books (d) find directions
  23. 23.True or false: a compass helps us find directions. (a) True (b) False
  24. 24.What does a stethoscope help us do? (a) tell the time (b) measure body temperature (c) hear the heartbeat (d) see tiny germs
  25. 25.What did René Laennec give us? (a) raised-dot writing (b) the telephone (c) the stethoscope (d) the printing press
  26. 26.True or false: a thermometer helps us tell the time. (a) False (b) True
  27. 27.What did Louis Braille give us? (a) the first aeroplane (b) the electric battery (c) the telephone (d) raised-dot writing
  28. 28.True or false: Alexander Graham Bell gave us raised-dot writing. (a) False (b) True
  29. 29.True or false: the Wright brothers gave us the stethoscope. (a) False (b) True
  30. 30.💡 Who gave us the stethoscope? (a) Wilhelm Röntgen (b) Edward Jenner (c) Johannes Gutenberg (d) René Laennec
  31. 31.💡 Who gave us the printing press? (a) Wilhelm Röntgen (b) the Wright brothers (c) Johannes Gutenberg (d) Alexander Graham Bell
  32. 32.True or false: a calculator helps us do sums quickly. (a) False (b) True
  33. 33.🔧 Which invention helps us hear the heartbeat? (a) stethoscope (b) microscope (c) telephone (d) clock
  34. 34.True or false: Louis Braille gave us X-rays. (a) False (b) True
  35. 35.What did Alexander Graham Bell give us? (a) the stethoscope (b) X-rays (c) the telephone (d) the printing press
  36. 36.🔧 Which invention helps us see faraway stars? (a) telescope (b) thermometer (c) calculator (d) telephone
  37. 37.True or false: a thermometer helps us hear the heartbeat. (a) False (b) True
  38. 38.True or false: Alexander Graham Bell gave us the printing press. (a) True (b) False
  39. 39.True or false: a thermometer helps us do sums quickly. (a) False (b) True
  40. 40.True or false: Wilhelm Röntgen gave us X-rays. (a) True (b) False

Answer key

  1. thermometer
  2. True
  3. X-rays
  4. penicillin
  5. True
  6. clock
  7. Edward Jenner
  8. print many books
  9. True
  10. do sums quickly
  11. the Wright brothers
  12. talk to people far away
  13. printing press
  14. Wilhelm Röntgen
  15. tell the time
  16. the smallpox vaccine
  17. Alessandro Volta
  18. False
  19. Louis Braille
  20. True
  21. True
  22. find directions
  23. True
  24. hear the heartbeat
  25. the stethoscope
  26. False
  27. raised-dot writing
  28. False
  29. False
  30. René Laennec
  31. Johannes Gutenberg
  32. True
  33. stethoscope
  34. False
  35. the telephone
  36. telescope
  37. False
  38. False
  39. False
  40. True

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