← Inventions and inventors lesson New set →

Class 4 GK Worksheet: Inventions and Inventors

GK lesson 21: Inventions and inventors · Set 395 · 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.What does a calculator help us do? (a) find directions (b) do sums quickly (c) see faraway stars (d) talk to people far away
  2. 2.What does a telephone help us do? (a) see faraway stars (b) measure body temperature (c) talk to people far away (d) see tiny germs
  3. 3.🔧 Which invention helps us see tiny germs? (a) telescope (b) microscope (c) compass (d) calculator
  4. 4.🔧 Which invention helps us measure body temperature? (a) thermometer (b) stethoscope (c) calculator (d) compass
  5. 5.💡 Who gave us the electric battery? (a) René Laennec (b) Alexander Fleming (c) the Wright brothers (d) Alessandro Volta
  6. 6.True or false: a microscope helps us see tiny germs. (a) True (b) False
  7. 7.🔧 Which invention helps us print many books? (a) telephone (b) clock (c) printing press (d) microscope
  8. 8.💡 Who gave us the printing press? (a) Edward Jenner (b) Johannes Gutenberg (c) Wilhelm Röntgen (d) Louis Braille
  9. 9.True or false: Edward Jenner gave us the stethoscope. (a) True (b) False
  10. 10.True or false: a clock helps us measure body temperature. (a) False (b) True
  11. 11.True or false: Wilhelm Röntgen gave us X-rays. (a) False (b) True
  12. 12.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
  13. 13.True or false: a calculator helps us do sums quickly. (a) False (b) True
  14. 14.True or false: a thermometer helps us hear the heartbeat. (a) True (b) False
  15. 15.What did Johannes Gutenberg give us? (a) the electric battery (b) the printing press (c) the stethoscope (d) the smallpox vaccine
  16. 16.What does a stethoscope help us do? (a) see faraway stars (b) find directions (c) print many books (d) hear the heartbeat
  17. 17.True or false: Johannes Gutenberg gave us the printing press. (a) True (b) False
  18. 18.What did Alessandro Volta give us? (a) the electric battery (b) the telephone (c) X-rays (d) the smallpox vaccine
  19. 19.True or false: a telephone helps us talk to people far away. (a) True (b) False
  20. 20.What does a compass help us do? (a) hear the heartbeat (b) see tiny germs (c) talk to people far away (d) find directions
  21. 21.💡 Who gave us penicillin? (a) Alexander Graham Bell (b) the Wright brothers (c) Wilhelm Röntgen (d) Alexander Fleming
  22. 22.True or false: a microscope helps us hear the heartbeat. (a) True (b) False
  23. 23.What did the Wright brothers give us? (a) the telephone (b) the first aeroplane (c) penicillin (d) X-rays
  24. 24.What does a clock help us do? (a) tell the time (b) find directions (c) see faraway stars (d) talk to people far away
  25. 25.💡 Who gave us the smallpox vaccine? (a) Alexander Fleming (b) Johannes Gutenberg (c) the Wright brothers (d) Edward Jenner
  26. 26.True or false: a microscope helps us tell the time. (a) True (b) False
  27. 27.True or false: a calculator helps us print many books. (a) True (b) False
  28. 28.True or false: Alexander Graham Bell gave us the electric battery. (a) True (b) False
  29. 29.True or false: Louis Braille gave us raised-dot writing. (a) True (b) False
  30. 30.True or false: Alexander Graham Bell gave us penicillin. (a) True (b) False
  31. 31.True or false: Louis Braille gave us the stethoscope. (a) False (b) True
  32. 32.🔧 Which invention helps us tell the time? (a) printing press (b) clock (c) compass (d) stethoscope
  33. 33.What does a thermometer help us do? (a) print many books (b) do sums quickly (c) see faraway stars (d) measure body temperature
  34. 34.True or false: a clock helps us tell the time. (a) True (b) False
  35. 35.True or false: the Wright brothers gave us the first aeroplane. (a) True (b) False
  36. 36.What did René Laennec give us? (a) the electric battery (b) the telephone (c) the first aeroplane (d) the stethoscope
  37. 37.True or false: a calculator helps us talk to people far away. (a) False (b) True
  38. 38.True or false: Edward Jenner gave us the smallpox vaccine. (a) True (b) False
  39. 39.True or false: a compass helps us find directions. (a) True (b) False
  40. 40.What does a microscope help us do? (a) hear the heartbeat (b) print many books (c) find directions (d) see tiny germs

Answer key

  1. do sums quickly
  2. talk to people far away
  3. microscope
  4. thermometer
  5. Alessandro Volta
  6. True
  7. printing press
  8. Johannes Gutenberg
  9. False
  10. False
  11. True
  12. print many books
  13. True
  14. False
  15. the printing press
  16. hear the heartbeat
  17. True
  18. the electric battery
  19. True
  20. find directions
  21. Alexander Fleming
  22. False
  23. the first aeroplane
  24. tell the time
  25. Edward Jenner
  26. False
  27. False
  28. False
  29. True
  30. False
  31. False
  32. clock
  33. measure body temperature
  34. True
  35. True
  36. the stethoscope
  37. False
  38. True
  39. True
  40. see tiny germs

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