← Inventions and inventors lesson New set →

Class 4 GK Worksheet: Inventions and Inventors

GK lesson 21: Inventions and inventors · Set 110 · 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 see faraway stars? (a) clock (b) stethoscope (c) microscope (d) telescope
  2. 2.True or false: a printing press helps us print many books. (a) False (b) True
  3. 3.What does a telephone help us do? (a) see faraway stars (b) talk to people far away (c) find directions (d) do sums quickly
  4. 4.What did the Wright brothers give us? (a) X-rays (b) penicillin (c) the first aeroplane (d) the smallpox vaccine
  5. 5.What did Alexander Graham Bell give us? (a) X-rays (b) the printing press (c) the telephone (d) penicillin
  6. 6.True or false: Wilhelm Röntgen gave us X-rays. (a) True (b) False
  7. 7.What did Alexander Fleming give us? (a) X-rays (b) the telephone (c) the smallpox vaccine (d) penicillin
  8. 8.🔧 Which invention helps us hear the heartbeat? (a) stethoscope (b) clock (c) printing press (d) thermometer
  9. 9.What did Wilhelm Röntgen give us? (a) the first aeroplane (b) the printing press (c) penicillin (d) X-rays
  10. 10.True or false: a printing press helps us talk to people far away. (a) False (b) True
  11. 11.What does a calculator help us do? (a) do sums quickly (b) print many books (c) talk to people far away (d) find directions
  12. 12.True or false: a telephone helps us talk to people far away. (a) False (b) True
  13. 13.True or false: René Laennec gave us the printing press. (a) True (b) False
  14. 14.🔧 Which invention helps us talk to people far away? (a) telephone (b) telescope (c) thermometer (d) clock
  15. 15.💡 Who gave us the electric battery? (a) Alessandro Volta (b) René Laennec (c) Wilhelm Röntgen (d) Louis Braille
  16. 16.💡 Who gave us the first aeroplane? (a) Wilhelm Röntgen (b) the Wright brothers (c) René Laennec (d) Alexander Graham Bell
  17. 17.True or false: a clock helps us tell the time. (a) False (b) True
  18. 18.True or false: Edward Jenner gave us the smallpox vaccine. (a) True (b) False
  19. 19.True or false: Louis Braille gave us X-rays. (a) True (b) False
  20. 20.True or false: Alexander Fleming gave us penicillin. (a) False (b) True
  21. 21.True or false: a thermometer helps us see faraway stars. (a) True (b) False
  22. 22.💡 Who gave us X-rays? (a) Alexander Graham Bell (b) Alexander Fleming (c) René Laennec (d) Wilhelm Röntgen
  23. 23.What does a compass help us do? (a) do sums quickly (b) see faraway stars (c) print many books (d) find directions
  24. 24.💡 Who gave us the printing press? (a) Johannes Gutenberg (b) Alessandro Volta (c) Edward Jenner (d) Louis Braille
  25. 25.True or false: a microscope helps us hear the heartbeat. (a) False (b) True
  26. 26.🔧 Which invention helps us do sums quickly? (a) telephone (b) calculator (c) microscope (d) telescope
  27. 27.True or false: Alessandro Volta gave us the electric battery. (a) False (b) True
  28. 28.True or false: a printing press helps us measure body temperature. (a) False (b) True
  29. 29.💡 Who gave us the smallpox vaccine? (a) Louis Braille (b) Alexander Fleming (c) Alexander Graham Bell (d) Edward Jenner
  30. 30.True or false: Johannes Gutenberg gave us penicillin. (a) False (b) True
  31. 31.True or false: a compass helps us find directions. (a) True (b) False
  32. 32.True or false: a telephone helps us do sums quickly. (a) True (b) False
  33. 33.💡 Who gave us raised-dot writing? (a) Alexander Graham Bell (b) Edward Jenner (c) Alexander Fleming (d) Louis Braille
  34. 34.What does a printing press help us do? (a) talk to people far away (b) see faraway stars (c) tell the time (d) print many books
  35. 35.💡 Who gave us the stethoscope? (a) Alexander Fleming (b) René Laennec (c) Edward Jenner (d) Johannes Gutenberg
  36. 36.🔧 Which invention helps us find directions? (a) compass (b) thermometer (c) telephone (d) stethoscope
  37. 37.True or false: Edward Jenner gave us the first aeroplane. (a) True (b) False
  38. 38.🔧 Which invention helps us print many books? (a) printing press (b) clock (c) telescope (d) stethoscope
  39. 39.What does a microscope help us do? (a) see tiny germs (b) print many books (c) measure body temperature (d) talk to people far away
  40. 40.What does a clock help us do? (a) hear the heartbeat (b) print many books (c) measure body temperature (d) tell the time

Answer key

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

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