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Class 4 GK Worksheet: Inventions and Inventors

GK lesson 21: Inventions and inventors · Set 214 · 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) Alessandro Volta (b) Wilhelm Röntgen (c) Louis Braille (d) Johannes Gutenberg
  2. 2.True or false: a calculator helps us tell the time. (a) False (b) True
  3. 3.What did Edward Jenner give us? (a) the electric battery (b) the smallpox vaccine (c) X-rays (d) penicillin
  4. 4.💡 Who gave us the first aeroplane? (a) Edward Jenner (b) the Wright brothers (c) René Laennec (d) Wilhelm Röntgen
  5. 5.True or false: the Wright brothers gave us X-rays. (a) True (b) False
  6. 6.True or false: a thermometer helps us measure body temperature. (a) True (b) False
  7. 7.🔧 Which invention helps us see faraway stars? (a) telephone (b) printing press (c) microscope (d) telescope
  8. 8.True or false: the Wright brothers gave us penicillin. (a) True (b) False
  9. 9.What does a compass help us do? (a) talk to people far away (b) measure body temperature (c) find directions (d) see tiny germs
  10. 10.What does a calculator help us do? (a) tell the time (b) talk to people far away (c) measure body temperature (d) do sums quickly
  11. 11.🔧 Which invention helps us measure body temperature? (a) thermometer (b) stethoscope (c) telephone (d) telescope
  12. 12.True or false: Wilhelm Röntgen gave us the first aeroplane. (a) False (b) True
  13. 13.What did Alexander Graham Bell give us? (a) the stethoscope (b) the first aeroplane (c) X-rays (d) the telephone
  14. 14.True or false: a thermometer helps us tell the time. (a) True (b) False
  15. 15.True or false: Wilhelm Röntgen gave us X-rays. (a) False (b) True
  16. 16.🔧 Which invention helps us do sums quickly? (a) calculator (b) thermometer (c) telephone (d) printing press
  17. 17.True or false: a stethoscope helps us hear the heartbeat. (a) False (b) True
  18. 18.True or false: a telephone helps us tell the time. (a) True (b) False
  19. 19.True or false: a telephone helps us talk to people far away. (a) True (b) False
  20. 20.True or false: a telescope helps us see faraway stars. (a) False (b) True
  21. 21.What does a printing press help us do? (a) do sums quickly (b) see tiny germs (c) measure body temperature (d) print many books
  22. 22.🔧 Which invention helps us print many books? (a) printing press (b) stethoscope (c) calculator (d) thermometer
  23. 23.🔧 Which invention helps us talk to people far away? (a) telescope (b) calculator (c) clock (d) telephone
  24. 24.💡 Who gave us the stethoscope? (a) Alessandro Volta (b) Alexander Fleming (c) Wilhelm Röntgen (d) René Laennec
  25. 25.🔧 Which invention helps us see tiny germs? (a) microscope (b) stethoscope (c) calculator (d) clock
  26. 26.🔧 Which invention helps us tell the time? (a) clock (b) microscope (c) calculator (d) compass
  27. 27.🔧 Which invention helps us hear the heartbeat? (a) microscope (b) clock (c) stethoscope (d) printing press
  28. 28.💡 Who gave us penicillin? (a) Alessandro Volta (b) René Laennec (c) Johannes Gutenberg (d) Alexander Fleming
  29. 29.What does a microscope help us do? (a) print many books (b) find directions (c) measure body temperature (d) see tiny germs
  30. 30.💡 Who gave us X-rays? (a) Louis Braille (b) Alessandro Volta (c) Wilhelm Röntgen (d) Johannes Gutenberg
  31. 31.True or false: a compass helps us measure body temperature. (a) True (b) False
  32. 32.True or false: a telephone helps us do sums quickly. (a) False (b) True
  33. 33.True or false: the Wright brothers gave us the printing press. (a) True (b) False
  34. 34.What did the Wright brothers give us? (a) the electric battery (b) X-rays (c) raised-dot writing (d) the first aeroplane
  35. 35.What did Wilhelm Röntgen give us? (a) X-rays (b) the first aeroplane (c) the telephone (d) the electric battery
  36. 36.True or false: a microscope helps us find directions. (a) True (b) False
  37. 37.What does a telescope help us do? (a) hear the heartbeat (b) talk to people far away (c) do sums quickly (d) see faraway stars
  38. 38.True or false: Louis Braille gave us penicillin. (a) False (b) True
  39. 39.💡 Who gave us the smallpox vaccine? (a) the Wright brothers (b) Edward Jenner (c) Alessandro Volta (d) René Laennec
  40. 40.What does a thermometer help us do? (a) do sums quickly (b) measure body temperature (c) find directions (d) talk to people far away

Answer key

  1. Louis Braille
  2. False
  3. the smallpox vaccine
  4. the Wright brothers
  5. False
  6. True
  7. telescope
  8. False
  9. find directions
  10. do sums quickly
  11. thermometer
  12. False
  13. the telephone
  14. False
  15. True
  16. calculator
  17. True
  18. False
  19. True
  20. True
  21. print many books
  22. printing press
  23. telephone
  24. René Laennec
  25. microscope
  26. clock
  27. stethoscope
  28. Alexander Fleming
  29. see tiny germs
  30. Wilhelm Röntgen
  31. False
  32. False
  33. False
  34. the first aeroplane
  35. X-rays
  36. False
  37. see faraway stars
  38. False
  39. Edward Jenner
  40. measure body temperature

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