← Inventions and inventors lesson New set →

Class 4 GK Worksheet: Inventions and Inventors

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

Answer key

  1. False
  2. Alexander Fleming
  3. Johannes Gutenberg
  4. stethoscope
  5. False
  6. find directions
  7. False
  8. calculator
  9. True
  10. False
  11. True
  12. False
  13. see faraway stars
  14. False
  15. raised-dot writing
  16. False
  17. clock
  18. X-rays
  19. print many books
  20. Wilhelm Röntgen
  21. the printing press
  22. Edward Jenner
  23. True
  24. tell the time
  25. telescope
  26. the smallpox vaccine
  27. True
  28. talk to people far away
  29. the first aeroplane
  30. René Laennec
  31. False
  32. False
  33. True
  34. False
  35. False
  36. True
  37. True
  38. penicillin
  39. thermometer
  40. False

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