← Inventions and inventors lesson New set →

Class 4 GK Worksheet: Inventions and Inventors

GK lesson 21: Inventions and inventors · Set 736 · 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 telephone helps us do sums quickly. (a) True (b) False
  2. 2.True or false: a calculator helps us do sums quickly. (a) False (b) True
  3. 3.True or false: Alexander Fleming gave us the printing press. (a) False (b) True
  4. 4.True or false: Alexander Fleming gave us penicillin. (a) False (b) True
  5. 5.🔧 Which invention helps us measure body temperature? (a) printing press (b) stethoscope (c) telephone (d) thermometer
  6. 6.What does a clock help us do? (a) tell the time (b) see faraway stars (c) measure body temperature (d) talk to people far away
  7. 7.🔧 Which invention helps us print many books? (a) printing press (b) clock (c) telescope (d) compass
  8. 8.🔧 Which invention helps us do sums quickly? (a) clock (b) calculator (c) compass (d) telescope
  9. 9.What did Alessandro Volta give us? (a) the smallpox vaccine (b) penicillin (c) the electric battery (d) raised-dot writing
  10. 10.What does a microscope help us do? (a) hear the heartbeat (b) measure body temperature (c) talk to people far away (d) see tiny germs
  11. 11.💡 Who gave us X-rays? (a) Alexander Graham Bell (b) the Wright brothers (c) Wilhelm Röntgen (d) Louis Braille
  12. 12.🔧 Which invention helps us tell the time? (a) telephone (b) printing press (c) clock (d) telescope
  13. 13.💡 Who gave us raised-dot writing? (a) Louis Braille (b) René Laennec (c) Alexander Fleming (d) Alexander Graham Bell
  14. 14.True or false: Wilhelm Röntgen gave us X-rays. (a) True (b) False
  15. 15.True or false: a printing press helps us print many books. (a) False (b) True
  16. 16.💡 Who gave us the first aeroplane? (a) the Wright brothers (b) Alessandro Volta (c) Johannes Gutenberg (d) Wilhelm Röntgen
  17. 17.True or false: Alexander Graham Bell gave us the electric battery. (a) False (b) True
  18. 18.True or false: a clock helps us see faraway stars. (a) False (b) True
  19. 19.💡 Who gave us the electric battery? (a) Alessandro Volta (b) Alexander Graham Bell (c) René Laennec (d) Edward Jenner
  20. 20.🔧 Which invention helps us find directions? (a) microscope (b) stethoscope (c) compass (d) calculator
  21. 21.What does a stethoscope help us do? (a) hear the heartbeat (b) find directions (c) print many books (d) talk to people far away
  22. 22.🔧 Which invention helps us talk to people far away? (a) telephone (b) printing press (c) compass (d) clock
  23. 23.True or false: a thermometer helps us print many books. (a) False (b) True
  24. 24.What did the Wright brothers give us? (a) the first aeroplane (b) raised-dot writing (c) penicillin (d) the stethoscope
  25. 25.True or false: a microscope helps us print many books. (a) False (b) True
  26. 26.💡 Who gave us the smallpox vaccine? (a) Wilhelm Röntgen (b) the Wright brothers (c) Edward Jenner (d) René Laennec
  27. 27.What did Wilhelm Röntgen give us? (a) X-rays (b) raised-dot writing (c) penicillin (d) the electric battery
  28. 28.True or false: a compass helps us find directions. (a) True (b) False
  29. 29.True or false: a telescope helps us see faraway stars. (a) True (b) False
  30. 30.🔧 Which invention helps us hear the heartbeat? (a) telephone (b) microscope (c) stethoscope (d) clock
  31. 31.True or false: Edward Jenner gave us the smallpox vaccine. (a) False (b) True
  32. 32.💡 Who gave us the telephone? (a) Johannes Gutenberg (b) René Laennec (c) Louis Braille (d) Alexander Graham Bell
  33. 33.What does a telephone help us do? (a) tell the time (b) talk to people far away (c) see tiny germs (d) hear the heartbeat
  34. 34.True or false: Alexander Graham Bell gave us the telephone. (a) False (b) True
  35. 35.True or false: the Wright brothers gave us the telephone. (a) False (b) True
  36. 36.What did Edward Jenner give us? (a) the electric battery (b) the telephone (c) the printing press (d) the smallpox vaccine
  37. 37.What does a calculator help us do? (a) find directions (b) talk to people far away (c) print many books (d) do sums quickly
  38. 38.💡 Who gave us the printing press? (a) Wilhelm Röntgen (b) Alexander Graham Bell (c) Johannes Gutenberg (d) Alessandro Volta
  39. 39.What did Alexander Fleming give us? (a) the smallpox vaccine (b) penicillin (c) the electric battery (d) the telephone
  40. 40.What did Louis Braille give us? (a) penicillin (b) raised-dot writing (c) X-rays (d) the stethoscope

Answer key

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

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