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Class 4 GK Worksheet: Inventions and Inventors

GK lesson 21: Inventions and inventors · Set 45 · 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 print many books. (a) False (b) True
  2. 2.🔧 Which invention helps us print many books? (a) printing press (b) calculator (c) microscope (d) telephone
  3. 3.True or false: Wilhelm Röntgen gave us penicillin. (a) True (b) False
  4. 4.What does a telephone help us do? (a) talk to people far away (b) hear the heartbeat (c) tell the time (d) see tiny germs
  5. 5.True or false: a telephone helps us talk to people far away. (a) True (b) False
  6. 6.True or false: a calculator helps us do sums quickly. (a) False (b) True
  7. 7.💡 Who gave us penicillin? (a) Louis Braille (b) Wilhelm Röntgen (c) René Laennec (d) Alexander Fleming
  8. 8.What does a stethoscope help us do? (a) measure body temperature (b) hear the heartbeat (c) see tiny germs (d) print many books
  9. 9.What did Johannes Gutenberg give us? (a) penicillin (b) the printing press (c) raised-dot writing (d) the first aeroplane
  10. 10.True or false: Edward Jenner gave us the smallpox vaccine. (a) True (b) False
  11. 11.🔧 Which invention helps us find directions? (a) compass (b) microscope (c) telephone (d) telescope
  12. 12.🔧 Which invention helps us measure body temperature? (a) thermometer (b) clock (c) telescope (d) calculator
  13. 13.True or false: Alexander Fleming gave us the printing press. (a) True (b) False
  14. 14.True or false: a telescope helps us see faraway stars. (a) True (b) False
  15. 15.What did Alexander Graham Bell give us? (a) the telephone (b) X-rays (c) the smallpox vaccine (d) penicillin
  16. 16.What does a compass help us do? (a) hear the heartbeat (b) measure body temperature (c) do sums quickly (d) find directions
  17. 17.💡 Who gave us the printing press? (a) Alessandro Volta (b) Edward Jenner (c) Johannes Gutenberg (d) the Wright brothers
  18. 18.💡 Who gave us the telephone? (a) Alexander Graham Bell (b) Alexander Fleming (c) the Wright brothers (d) Johannes Gutenberg
  19. 19.True or false: a thermometer helps us see faraway stars. (a) False (b) True
  20. 20.What did René Laennec give us? (a) the stethoscope (b) the smallpox vaccine (c) the printing press (d) the first aeroplane
  21. 21.💡 Who gave us the smallpox vaccine? (a) the Wright brothers (b) Alexander Fleming (c) Edward Jenner (d) René Laennec
  22. 22.What did Louis Braille give us? (a) raised-dot writing (b) the electric battery (c) the printing press (d) X-rays
  23. 23.True or false: a calculator helps us see faraway stars. (a) True (b) False
  24. 24.What does a calculator help us do? (a) find directions (b) do sums quickly (c) see faraway stars (d) talk to people far away
  25. 25.What did the Wright brothers give us? (a) the stethoscope (b) the printing press (c) the telephone (d) the first aeroplane
  26. 26.What does a printing press help us do? (a) tell the time (b) see tiny germs (c) measure body temperature (d) print many books
  27. 27.What did Edward Jenner give us? (a) the telephone (b) the smallpox vaccine (c) the first aeroplane (d) the stethoscope
  28. 28.What did Wilhelm Röntgen give us? (a) the printing press (b) the first aeroplane (c) the stethoscope (d) X-rays
  29. 29.What did Alexander Fleming give us? (a) the telephone (b) the printing press (c) penicillin (d) raised-dot writing
  30. 30.True or false: a microscope helps us see tiny germs. (a) False (b) True
  31. 31.True or false: Alexander Fleming gave us penicillin. (a) True (b) False
  32. 32.💡 Who gave us the electric battery? (a) Alessandro Volta (b) Wilhelm Röntgen (c) Edward Jenner (d) Louis Braille
  33. 33.True or false: Alessandro Volta gave us the first aeroplane. (a) True (b) False
  34. 34.💡 Who gave us the first aeroplane? (a) René Laennec (b) the Wright brothers (c) Alessandro Volta (d) Alexander Fleming
  35. 35.🔧 Which invention helps us tell the time? (a) microscope (b) telescope (c) telephone (d) clock
  36. 36.What did Alessandro Volta give us? (a) penicillin (b) raised-dot writing (c) the electric battery (d) the smallpox vaccine
  37. 37.True or false: a stethoscope helps us do sums quickly. (a) True (b) False
  38. 38.💡 Who gave us the stethoscope? (a) Alexander Fleming (b) Edward Jenner (c) Wilhelm Röntgen (d) René Laennec
  39. 39.💡 Who gave us raised-dot writing? (a) René Laennec (b) the Wright brothers (c) Louis Braille (d) Alessandro Volta
  40. 40.🔧 Which invention helps us see faraway stars? (a) telephone (b) telescope (c) printing press (d) compass

Answer key

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

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