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Class 4 GK Worksheet: Inventions and Inventors

GK lesson 21: Inventions and inventors · Set 801 · 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.

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

Answer key

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

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