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Class 4 GK Worksheet: Inventions and Inventors

GK lesson 21: Inventions and inventors · Set 389 · 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 see tiny germs? (a) clock (b) printing press (c) stethoscope (d) microscope
  2. 2.True or false: a telescope helps us see tiny germs. (a) True (b) False
  3. 3.What did Johannes Gutenberg give us? (a) the smallpox vaccine (b) the telephone (c) the printing press (d) X-rays
  4. 4.💡 Who gave us the smallpox vaccine? (a) Louis Braille (b) Alexander Fleming (c) Alexander Graham Bell (d) Edward Jenner
  5. 5.🔧 Which invention helps us tell the time? (a) calculator (b) clock (c) microscope (d) printing press
  6. 6.💡 Who gave us the first aeroplane? (a) Alessandro Volta (b) the Wright brothers (c) Louis Braille (d) Johannes Gutenberg
  7. 7.True or false: Alexander Fleming gave us penicillin. (a) False (b) True
  8. 8.💡 Who gave us the electric battery? (a) Wilhelm Röntgen (b) René Laennec (c) Johannes Gutenberg (d) Alessandro Volta
  9. 9.True or false: Alessandro Volta gave us the electric battery. (a) False (b) True
  10. 10.💡 Who gave us the telephone? (a) Alessandro Volta (b) Louis Braille (c) Alexander Graham Bell (d) Alexander Fleming
  11. 11.💡 Who gave us penicillin? (a) René Laennec (b) the Wright brothers (c) Alexander Fleming (d) Alessandro Volta
  12. 12.What did Alessandro Volta give us? (a) the stethoscope (b) the smallpox vaccine (c) the electric battery (d) the first aeroplane
  13. 13.What did Alexander Graham Bell give us? (a) the stethoscope (b) penicillin (c) raised-dot writing (d) the telephone
  14. 14.💡 Who gave us raised-dot writing? (a) Johannes Gutenberg (b) René Laennec (c) Louis Braille (d) Alessandro Volta
  15. 15.🔧 Which invention helps us see faraway stars? (a) telescope (b) clock (c) compass (d) thermometer
  16. 16.What does a telescope help us do? (a) tell the time (b) print many books (c) hear the heartbeat (d) see faraway stars
  17. 17.What does a printing press help us do? (a) tell the time (b) measure body temperature (c) talk to people far away (d) print many books
  18. 18.What does a stethoscope help us do? (a) do sums quickly (b) talk to people far away (c) find directions (d) hear the heartbeat
  19. 19.True or false: a clock helps us print many books. (a) False (b) True
  20. 20.What does a thermometer help us do? (a) measure body temperature (b) see faraway stars (c) talk to people far away (d) hear the heartbeat
  21. 21.🔧 Which invention helps us find directions? (a) microscope (b) telescope (c) compass (d) telephone
  22. 22.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
  23. 23.True or false: a stethoscope helps us tell the time. (a) False (b) True
  24. 24.💡 Who gave us the printing press? (a) René Laennec (b) Edward Jenner (c) Johannes Gutenberg (d) Alessandro Volta
  25. 25.True or false: a calculator helps us do sums quickly. (a) False (b) True
  26. 26.True or false: Alexander Graham Bell gave us X-rays. (a) True (b) False
  27. 27.🔧 Which invention helps us talk to people far away? (a) stethoscope (b) telephone (c) printing press (d) clock
  28. 28.True or false: a clock helps us hear the heartbeat. (a) True (b) False
  29. 29.True or false: a clock helps us tell the time. (a) False (b) True
  30. 30.True or false: a thermometer helps us measure body temperature. (a) False (b) True
  31. 31.What did Edward Jenner give us? (a) X-rays (b) the smallpox vaccine (c) the electric battery (d) the telephone
  32. 32.True or false: a compass helps us find directions. (a) False (b) True
  33. 33.What does a calculator help us do? (a) measure body temperature (b) hear the heartbeat (c) do sums quickly (d) print many books
  34. 34.True or false: a telephone helps us talk to people far away. (a) False (b) True
  35. 35.What did Louis Braille give us? (a) penicillin (b) the stethoscope (c) the electric battery (d) raised-dot writing
  36. 36.💡 Who gave us X-rays? (a) Johannes Gutenberg (b) Alexander Graham Bell (c) Wilhelm Röntgen (d) Alexander Fleming
  37. 37.💡 Who gave us the stethoscope? (a) René Laennec (b) Alessandro Volta (c) Johannes Gutenberg (d) the Wright brothers
  38. 38.True or false: a printing press helps us hear the heartbeat. (a) False (b) True
  39. 39.What did Wilhelm Röntgen give us? (a) the telephone (b) the smallpox vaccine (c) X-rays (d) the stethoscope
  40. 40.True or false: a telescope helps us see faraway stars. (a) False (b) True

Answer key

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

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