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Class 4 GK Worksheet: Inventions and Inventors

GK lesson 21: Inventions and inventors · Set 510 · 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 the smallpox vaccine? (a) the Wright brothers (b) René Laennec (c) Johannes Gutenberg (d) Edward Jenner
  2. 2.What does a telephone help us do? (a) talk to people far away (b) measure body temperature (c) see faraway stars (d) hear the heartbeat
  3. 3.True or false: the Wright brothers gave us the first aeroplane. (a) True (b) False
  4. 4.What did Wilhelm Röntgen give us? (a) the telephone (b) X-rays (c) the electric battery (d) raised-dot writing
  5. 5.What did the Wright brothers give us? (a) the stethoscope (b) the first aeroplane (c) the telephone (d) penicillin
  6. 6.🔧 Which invention helps us find directions? (a) stethoscope (b) telescope (c) printing press (d) compass
  7. 7.True or false: a printing press helps us print many books. (a) False (b) True
  8. 8.True or false: Alexander Fleming gave us penicillin. (a) True (b) False
  9. 9.💡 Who gave us raised-dot writing? (a) the Wright brothers (b) Louis Braille (c) René Laennec (d) Alexander Graham Bell
  10. 10.True or false: Alessandro Volta gave us the smallpox vaccine. (a) False (b) True
  11. 11.True or false: a telescope helps us see faraway stars. (a) True (b) False
  12. 12.🔧 Which invention helps us print many books? (a) telephone (b) printing press (c) microscope (d) stethoscope
  13. 13.What does a clock help us do? (a) tell the time (b) see faraway stars (c) measure body temperature (d) find directions
  14. 14.🔧 Which invention helps us measure body temperature? (a) telephone (b) stethoscope (c) thermometer (d) telescope
  15. 15.True or false: René Laennec gave us the stethoscope. (a) True (b) False
  16. 16.True or false: a stethoscope helps us hear the heartbeat. (a) False (b) True
  17. 17.💡 Who gave us the stethoscope? (a) Alessandro Volta (b) René Laennec (c) Alexander Fleming (d) Johannes Gutenberg
  18. 18.🔧 Which invention helps us do sums quickly? (a) telescope (b) printing press (c) calculator (d) thermometer
  19. 19.What did Alexander Graham Bell give us? (a) X-rays (b) raised-dot writing (c) the telephone (d) the stethoscope
  20. 20.What does a thermometer help us do? (a) print many books (b) see tiny germs (c) measure body temperature (d) do sums quickly
  21. 21.What did Alessandro Volta give us? (a) the printing press (b) the electric battery (c) X-rays (d) penicillin
  22. 22.What does a stethoscope help us do? (a) do sums quickly (b) print many books (c) hear the heartbeat (d) find directions
  23. 23.True or false: a telephone helps us measure body temperature. (a) True (b) False
  24. 24.True or false: a thermometer helps us do sums quickly. (a) True (b) False
  25. 25.True or false: a stethoscope helps us find directions. (a) True (b) False
  26. 26.🔧 Which invention helps us hear the heartbeat? (a) printing press (b) calculator (c) telescope (d) stethoscope
  27. 27.💡 Who gave us the printing press? (a) Johannes Gutenberg (b) Alexander Graham Bell (c) the Wright brothers (d) Edward Jenner
  28. 28.💡 Who gave us the first aeroplane? (a) the Wright brothers (b) Alessandro Volta (c) Alexander Graham Bell (d) Wilhelm Röntgen
  29. 29.What does a printing press help us do? (a) do sums quickly (b) find directions (c) measure body temperature (d) print many books
  30. 30.True or false: Alexander Graham Bell gave us the printing press. (a) True (b) False
  31. 31.True or false: a calculator helps us do sums quickly. (a) False (b) True
  32. 32.🔧 Which invention helps us tell the time? (a) clock (b) printing press (c) microscope (d) telescope
  33. 33.What does a microscope help us do? (a) print many books (b) do sums quickly (c) see tiny germs (d) tell the time
  34. 34.True or false: a clock helps us tell the time. (a) False (b) True
  35. 35.What did Louis Braille give us? (a) raised-dot writing (b) the first aeroplane (c) penicillin (d) the electric battery
  36. 36.🔧 Which invention helps us see faraway stars? (a) stethoscope (b) microscope (c) telescope (d) telephone
  37. 37.True or false: a telephone helps us see tiny germs. (a) True (b) False
  38. 38.💡 Who gave us X-rays? (a) Edward Jenner (b) Alexander Fleming (c) Wilhelm Röntgen (d) Alessandro Volta
  39. 39.True or false: a compass helps us find directions. (a) False (b) True
  40. 40.💡 Who gave us the electric battery? (a) Alessandro Volta (b) Louis Braille (c) Alexander Graham Bell (d) the Wright brothers

Answer key

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

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