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Class 4 GK Worksheet: Inventions and Inventors

GK lesson 21: Inventions and inventors · Set 234 · 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: the Wright brothers gave us X-rays. (a) False (b) True
  2. 2.💡 Who gave us the smallpox vaccine? (a) Alexander Fleming (b) Edward Jenner (c) Alessandro Volta (d) Louis Braille
  3. 3.💡 Who gave us raised-dot writing? (a) René Laennec (b) Edward Jenner (c) Louis Braille (d) Alexander Graham Bell
  4. 4.What did Alexander Graham Bell give us? (a) the stethoscope (b) the printing press (c) the telephone (d) the first aeroplane
  5. 5.What does a telephone help us do? (a) find directions (b) do sums quickly (c) talk to people far away (d) see tiny germs
  6. 6.What did Johannes Gutenberg give us? (a) the printing press (b) X-rays (c) the stethoscope (d) raised-dot writing
  7. 7.💡 Who gave us the printing press? (a) Wilhelm Röntgen (b) the Wright brothers (c) Alessandro Volta (d) Johannes Gutenberg
  8. 8.💡 Who gave us X-rays? (a) Wilhelm Röntgen (b) René Laennec (c) Edward Jenner (d) Alexander Graham Bell
  9. 9.True or false: a stethoscope helps us see tiny germs. (a) True (b) False
  10. 10.True or false: a printing press helps us print many books. (a) False (b) True
  11. 11.🔧 Which invention helps us hear the heartbeat? (a) printing press (b) calculator (c) thermometer (d) stethoscope
  12. 12.What does a clock help us do? (a) tell the time (b) find directions (c) see tiny germs (d) talk to people far away
  13. 13.💡 Who gave us the electric battery? (a) Edward Jenner (b) Alessandro Volta (c) Wilhelm Röntgen (d) Alexander Graham Bell
  14. 14.💡 Who gave us penicillin? (a) Alexander Graham Bell (b) Alexander Fleming (c) Edward Jenner (d) Wilhelm Röntgen
  15. 15.What did Alessandro Volta give us? (a) the printing press (b) the electric battery (c) the smallpox vaccine (d) the telephone
  16. 16.💡 Who gave us the first aeroplane? (a) Edward Jenner (b) Alessandro Volta (c) the Wright brothers (d) Wilhelm Röntgen
  17. 17.What did Wilhelm Röntgen give us? (a) the first aeroplane (b) penicillin (c) the smallpox vaccine (d) X-rays
  18. 18.🔧 Which invention helps us talk to people far away? (a) calculator (b) microscope (c) printing press (d) telephone
  19. 19.True or false: a thermometer helps us do sums quickly. (a) True (b) False
  20. 20.🔧 Which invention helps us find directions? (a) stethoscope (b) telephone (c) calculator (d) compass
  21. 21.🔧 Which invention helps us measure body temperature? (a) compass (b) thermometer (c) calculator (d) printing press
  22. 22.What did Louis Braille give us? (a) the stethoscope (b) the first aeroplane (c) penicillin (d) raised-dot writing
  23. 23.True or false: a telescope helps us see faraway stars. (a) True (b) False
  24. 24.True or false: a telephone helps us talk to people far away. (a) True (b) False
  25. 25.True or false: a calculator helps us find directions. (a) False (b) True
  26. 26.True or false: a stethoscope helps us hear the heartbeat. (a) True (b) False
  27. 27.True or false: Alexander Fleming gave us penicillin. (a) True (b) False
  28. 28.What does a microscope help us do? (a) hear the heartbeat (b) see tiny germs (c) talk to people far away (d) do sums quickly
  29. 29.🔧 Which invention helps us do sums quickly? (a) printing press (b) calculator (c) compass (d) microscope
  30. 30.True or false: a compass helps us find directions. (a) False (b) True
  31. 31.What did Edward Jenner give us? (a) the smallpox vaccine (b) the telephone (c) the electric battery (d) the first aeroplane
  32. 32.True or false: Alexander Graham Bell gave us the telephone. (a) True (b) False
  33. 33.True or false: Alexander Graham Bell gave us raised-dot writing. (a) True (b) False
  34. 34.💡 Who gave us the telephone? (a) Alexander Fleming (b) Alessandro Volta (c) Louis Braille (d) Alexander Graham Bell
  35. 35.🔧 Which invention helps us tell the time? (a) clock (b) compass (c) microscope (d) thermometer
  36. 36.True or false: a telephone helps us see faraway stars. (a) True (b) False
  37. 37.True or false: a stethoscope helps us print many books. (a) True (b) False
  38. 38.What did Alexander Fleming give us? (a) penicillin (b) the printing press (c) the first aeroplane (d) the stethoscope
  39. 39.True or false: a telescope helps us talk to people far away. (a) False (b) True
  40. 40.What did René Laennec give us? (a) the stethoscope (b) the first aeroplane (c) the telephone (d) the electric battery

Answer key

  1. False
  2. Edward Jenner
  3. Louis Braille
  4. the telephone
  5. talk to people far away
  6. the printing press
  7. Johannes Gutenberg
  8. Wilhelm Röntgen
  9. False
  10. True
  11. stethoscope
  12. tell the time
  13. Alessandro Volta
  14. Alexander Fleming
  15. the electric battery
  16. the Wright brothers
  17. X-rays
  18. telephone
  19. False
  20. compass
  21. thermometer
  22. raised-dot writing
  23. True
  24. True
  25. False
  26. True
  27. True
  28. see tiny germs
  29. calculator
  30. True
  31. the smallpox vaccine
  32. True
  33. False
  34. Alexander Graham Bell
  35. clock
  36. False
  37. False
  38. penicillin
  39. False
  40. the stethoscope

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