← Inventions and inventors lesson New set →

Class 4 GK Worksheet: Inventions and Inventors

GK lesson 21: Inventions and inventors · Set 710 · 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.💡 Who gave us the electric battery? (a) Edward Jenner (b) Alessandro Volta (c) René Laennec (d) Louis Braille
  2. 2.🔧 Which invention helps us hear the heartbeat? (a) clock (b) thermometer (c) stethoscope (d) printing press
  3. 3.🔧 Which invention helps us see faraway stars? (a) thermometer (b) microscope (c) telescope (d) telephone
  4. 4.True or false: a compass helps us print many books. (a) True (b) False
  5. 5.True or false: a telescope helps us see tiny germs. (a) True (b) False
  6. 6.True or false: a microscope helps us do sums quickly. (a) False (b) True
  7. 7.True or false: a calculator helps us measure body temperature. (a) True (b) False
  8. 8.True or false: Johannes Gutenberg gave us the electric battery. (a) False (b) True
  9. 9.True or false: a thermometer helps us talk to people far away. (a) False (b) True
  10. 10.True or false: Louis Braille gave us raised-dot writing. (a) False (b) True
  11. 11.True or false: a compass helps us find directions. (a) True (b) False
  12. 12.What did Alexander Fleming give us? (a) the printing press (b) the first aeroplane (c) penicillin (d) the stethoscope
  13. 13.True or false: a calculator helps us print many books. (a) False (b) True
  14. 14.True or false: a calculator helps us talk to people far away. (a) False (b) True
  15. 15.True or false: Edward Jenner gave us the smallpox vaccine. (a) True (b) False
  16. 16.What does a telescope help us do? (a) tell the time (b) find directions (c) see faraway stars (d) talk to people far away
  17. 17.True or false: a printing press helps us print many books. (a) True (b) False
  18. 18.True or false: Alexander Fleming gave us the electric battery. (a) False (b) True
  19. 19.💡 Who gave us the smallpox vaccine? (a) Edward Jenner (b) Johannes Gutenberg (c) Alexander Fleming (d) Alexander Graham Bell
  20. 20.What did Alessandro Volta give us? (a) the electric battery (b) penicillin (c) X-rays (d) the first aeroplane
  21. 21.💡 Who gave us the printing press? (a) Johannes Gutenberg (b) Alexander Graham Bell (c) Alexander Fleming (d) Louis Braille
  22. 22.💡 Who gave us the telephone? (a) Alessandro Volta (b) Johannes Gutenberg (c) Alexander Fleming (d) Alexander Graham Bell
  23. 23.What did Johannes Gutenberg give us? (a) the telephone (b) penicillin (c) the printing press (d) the electric battery
  24. 24.True or false: a clock helps us measure body temperature. (a) False (b) True
  25. 25.True or false: Alexander Graham Bell gave us X-rays. (a) False (b) True
  26. 26.What did the Wright brothers give us? (a) the electric battery (b) the stethoscope (c) penicillin (d) the first aeroplane
  27. 27.What does a telephone help us do? (a) talk to people far away (b) see faraway stars (c) hear the heartbeat (d) do sums quickly
  28. 28.True or false: a stethoscope helps us hear the heartbeat. (a) False (b) True
  29. 29.What did Wilhelm Röntgen give us? (a) the printing press (b) raised-dot writing (c) the electric battery (d) X-rays
  30. 30.True or false: a stethoscope helps us tell the time. (a) True (b) False
  31. 31.🔧 Which invention helps us see tiny germs? (a) clock (b) microscope (c) compass (d) thermometer
  32. 32.What did René Laennec give us? (a) the stethoscope (b) X-rays (c) penicillin (d) the telephone
  33. 33.What does a microscope help us do? (a) tell the time (b) print many books (c) see tiny germs (d) see faraway stars
  34. 34.💡 Who gave us penicillin? (a) Edward Jenner (b) the Wright brothers (c) Alexander Fleming (d) Alessandro Volta
  35. 35.True or false: Alexander Fleming gave us penicillin. (a) True (b) False
  36. 36.True or false: a clock helps us hear the heartbeat. (a) False (b) True
  37. 37.True or false: René Laennec gave us the stethoscope. (a) True (b) False
  38. 38.True or false: a telescope helps us see faraway stars. (a) False (b) True
  39. 39.🔧 Which invention helps us find directions? (a) printing press (b) calculator (c) compass (d) stethoscope
  40. 40.True or false: a thermometer helps us see faraway stars. (a) True (b) False

Answer key

  1. Alessandro Volta
  2. stethoscope
  3. telescope
  4. False
  5. False
  6. False
  7. False
  8. False
  9. False
  10. True
  11. True
  12. penicillin
  13. False
  14. False
  15. True
  16. see faraway stars
  17. True
  18. False
  19. Edward Jenner
  20. the electric battery
  21. Johannes Gutenberg
  22. Alexander Graham Bell
  23. the printing press
  24. False
  25. False
  26. the first aeroplane
  27. talk to people far away
  28. True
  29. X-rays
  30. False
  31. microscope
  32. the stethoscope
  33. see tiny germs
  34. Alexander Fleming
  35. True
  36. False
  37. True
  38. True
  39. compass
  40. False

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