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Class 4 GK Worksheet: Inventions and Inventors

GK lesson 21: Inventions and inventors · Set 197 · 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 raised-dot writing? (a) Wilhelm Röntgen (b) Alexander Fleming (c) René Laennec (d) Louis Braille
  2. 2.🔧 Which invention helps us see tiny germs? (a) microscope (b) printing press (c) compass (d) stethoscope
  3. 3.What did Alexander Fleming give us? (a) the telephone (b) penicillin (c) the smallpox vaccine (d) the electric battery
  4. 4.🔧 Which invention helps us see faraway stars? (a) telephone (b) telescope (c) stethoscope (d) calculator
  5. 5.True or false: Alessandro Volta gave us the first aeroplane. (a) True (b) False
  6. 6.💡 Who gave us the electric battery? (a) Wilhelm Röntgen (b) Johannes Gutenberg (c) Edward Jenner (d) Alessandro Volta
  7. 7.🔧 Which invention helps us tell the time? (a) printing press (b) stethoscope (c) telephone (d) clock
  8. 8.What does a telephone help us do? (a) measure body temperature (b) talk to people far away (c) see faraway stars (d) print many books
  9. 9.What does a compass help us do? (a) do sums quickly (b) hear the heartbeat (c) find directions (d) measure body temperature
  10. 10.What did Wilhelm Röntgen give us? (a) penicillin (b) the smallpox vaccine (c) X-rays (d) raised-dot writing
  11. 11.What does a stethoscope help us do? (a) see tiny germs (b) see faraway stars (c) hear the heartbeat (d) find directions
  12. 12.🔧 Which invention helps us do sums quickly? (a) compass (b) microscope (c) calculator (d) thermometer
  13. 13.True or false: a compass helps us find directions. (a) False (b) True
  14. 14.💡 Who gave us the telephone? (a) Edward Jenner (b) Louis Braille (c) Wilhelm Röntgen (d) Alexander Graham Bell
  15. 15.🔧 Which invention helps us find directions? (a) telephone (b) microscope (c) stethoscope (d) compass
  16. 16.💡 Who gave us the printing press? (a) Johannes Gutenberg (b) René Laennec (c) Alexander Fleming (d) Alessandro Volta
  17. 17.What does a printing press help us do? (a) print many books (b) do sums quickly (c) see faraway stars (d) find directions
  18. 18.True or false: Alessandro Volta gave us the electric battery. (a) False (b) True
  19. 19.What does a calculator help us do? (a) do sums quickly (b) measure body temperature (c) hear the heartbeat (d) talk to people far away
  20. 20.🔧 Which invention helps us measure body temperature? (a) calculator (b) compass (c) stethoscope (d) thermometer
  21. 21.True or false: Edward Jenner gave us the smallpox vaccine. (a) False (b) True
  22. 22.True or false: a microscope helps us see tiny germs. (a) False (b) True
  23. 23.True or false: Alexander Graham Bell gave us the telephone. (a) True (b) False
  24. 24.True or false: a clock helps us tell the time. (a) True (b) False
  25. 25.True or false: a thermometer helps us tell the time. (a) False (b) True
  26. 26.True or false: a compass helps us print many books. (a) True (b) False
  27. 27.True or false: a thermometer helps us talk to people far away. (a) False (b) True
  28. 28.True or false: a clock helps us talk to people far away. (a) False (b) True
  29. 29.💡 Who gave us the smallpox vaccine? (a) Edward Jenner (b) René Laennec (c) Alexander Graham Bell (d) Wilhelm Röntgen
  30. 30.💡 Who gave us the stethoscope? (a) Alexander Graham Bell (b) René Laennec (c) Louis Braille (d) Wilhelm Röntgen
  31. 31.True or false: Alexander Fleming gave us penicillin. (a) False (b) True
  32. 32.What did Johannes Gutenberg give us? (a) the electric battery (b) X-rays (c) the printing press (d) raised-dot writing
  33. 33.True or false: Louis Braille gave us the printing press. (a) True (b) False
  34. 34.What did Louis Braille give us? (a) the first aeroplane (b) the telephone (c) penicillin (d) raised-dot writing
  35. 35.True or false: Johannes Gutenberg gave us the printing press. (a) True (b) False
  36. 36.🔧 Which invention helps us hear the heartbeat? (a) clock (b) printing press (c) stethoscope (d) compass
  37. 37.What did the Wright brothers give us? (a) penicillin (b) the first aeroplane (c) the smallpox vaccine (d) the telephone
  38. 38.True or false: a stethoscope helps us hear the heartbeat. (a) False (b) True
  39. 39.🔧 Which invention helps us talk to people far away? (a) stethoscope (b) telephone (c) microscope (d) printing press
  40. 40.What did Alexander Graham Bell give us? (a) the telephone (b) the electric battery (c) raised-dot writing (d) the printing press

Answer key

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

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