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Class 4 GK Worksheet: Inventions and Inventors

GK lesson 21: Inventions and inventors · Set 430 · 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.🔧 Which invention helps us hear the heartbeat? (a) stethoscope (b) telephone (c) calculator (d) compass
  2. 2.What did Alexander Fleming give us? (a) X-rays (b) the first aeroplane (c) penicillin (d) the printing press
  3. 3.What did Louis Braille give us? (a) the first aeroplane (b) the electric battery (c) the smallpox vaccine (d) raised-dot writing
  4. 4.💡 Who gave us the first aeroplane? (a) Louis Braille (b) René Laennec (c) the Wright brothers (d) Johannes Gutenberg
  5. 5.What does a thermometer help us do? (a) measure body temperature (b) see tiny germs (c) talk to people far away (d) do sums quickly
  6. 6.What does a stethoscope help us do? (a) measure body temperature (b) hear the heartbeat (c) see faraway stars (d) tell the time
  7. 7.True or false: a telephone helps us talk to people far away. (a) False (b) True
  8. 8.What does a clock help us do? (a) do sums quickly (b) see faraway stars (c) talk to people far away (d) tell the time
  9. 9.💡 Who gave us the smallpox vaccine? (a) Edward Jenner (b) Alexander Fleming (c) Johannes Gutenberg (d) Alessandro Volta
  10. 10.True or false: the Wright brothers gave us the first aeroplane. (a) True (b) False
  11. 11.What did Johannes Gutenberg give us? (a) the printing press (b) the stethoscope (c) penicillin (d) X-rays
  12. 12.What does a calculator help us do? (a) do sums quickly (b) tell the time (c) talk to people far away (d) measure body temperature
  13. 13.💡 Who gave us the electric battery? (a) Edward Jenner (b) Alessandro Volta (c) Alexander Graham Bell (d) René Laennec
  14. 14.🔧 Which invention helps us see tiny germs? (a) microscope (b) thermometer (c) stethoscope (d) clock
  15. 15.What does a printing press help us do? (a) print many books (b) talk to people far away (c) hear the heartbeat (d) see tiny germs
  16. 16.True or false: a calculator helps us do sums quickly. (a) False (b) True
  17. 17.True or false: a thermometer helps us hear the heartbeat. (a) True (b) False
  18. 18.What did Edward Jenner give us? (a) raised-dot writing (b) the electric battery (c) the smallpox vaccine (d) penicillin
  19. 19.True or false: a clock helps us do sums quickly. (a) True (b) False
  20. 20.True or false: Wilhelm Röntgen gave us X-rays. (a) False (b) True
  21. 21.What did René Laennec give us? (a) penicillin (b) the stethoscope (c) the telephone (d) the electric battery
  22. 22.What does a telephone help us do? (a) see tiny germs (b) talk to people far away (c) hear the heartbeat (d) see faraway stars
  23. 23.What does a compass help us do? (a) do sums quickly (b) hear the heartbeat (c) find directions (d) print many books
  24. 24.What did the Wright brothers give us? (a) the smallpox vaccine (b) the electric battery (c) raised-dot writing (d) the first aeroplane
  25. 25.💡 Who gave us the stethoscope? (a) Johannes Gutenberg (b) Alexander Graham Bell (c) René Laennec (d) the Wright brothers
  26. 26.True or false: a compass helps us see faraway stars. (a) False (b) True
  27. 27.True or false: a printing press helps us measure body temperature. (a) False (b) True
  28. 28.💡 Who gave us the printing press? (a) Louis Braille (b) René Laennec (c) Johannes Gutenberg (d) Alexander Fleming
  29. 29.💡 Who gave us X-rays? (a) the Wright brothers (b) Alexander Graham Bell (c) Alexander Fleming (d) Wilhelm Röntgen
  30. 30.💡 Who gave us penicillin? (a) Alessandro Volta (b) Alexander Fleming (c) Alexander Graham Bell (d) Johannes Gutenberg
  31. 31.True or false: Alexander Graham Bell gave us the electric battery. (a) False (b) True
  32. 32.True or false: a telescope helps us see faraway stars. (a) True (b) False
  33. 33.What did Alessandro Volta give us? (a) the smallpox vaccine (b) penicillin (c) the electric battery (d) X-rays
  34. 34.True or false: a stethoscope helps us tell the time. (a) True (b) False
  35. 35.True or false: Alexander Graham Bell gave us the smallpox vaccine. (a) True (b) False
  36. 36.True or false: Edward Jenner gave us raised-dot writing. (a) True (b) False
  37. 37.True or false: a telephone helps us find directions. (a) True (b) False
  38. 38.True or false: Wilhelm Röntgen gave us the telephone. (a) True (b) False
  39. 39.💡 Who gave us raised-dot writing? (a) Louis Braille (b) Edward Jenner (c) Alexander Graham Bell (d) Johannes Gutenberg
  40. 40.What did Alexander Graham Bell give us? (a) the telephone (b) the smallpox vaccine (c) X-rays (d) the first aeroplane

Answer key

  1. stethoscope
  2. penicillin
  3. raised-dot writing
  4. the Wright brothers
  5. measure body temperature
  6. hear the heartbeat
  7. True
  8. tell the time
  9. Edward Jenner
  10. True
  11. the printing press
  12. do sums quickly
  13. Alessandro Volta
  14. microscope
  15. print many books
  16. True
  17. False
  18. the smallpox vaccine
  19. False
  20. True
  21. the stethoscope
  22. talk to people far away
  23. find directions
  24. the first aeroplane
  25. René Laennec
  26. False
  27. False
  28. Johannes Gutenberg
  29. Wilhelm Röntgen
  30. Alexander Fleming
  31. False
  32. True
  33. the electric battery
  34. False
  35. False
  36. False
  37. False
  38. False
  39. Louis Braille
  40. the telephone

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