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Class 4 GK Worksheet: Inventions and Inventors

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

Answer key

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

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