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Class 4 GK Worksheet: Inventions and Inventors

GK lesson 21: Inventions and inventors · Set 211 · 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 first aeroplane? (a) Alessandro Volta (b) René Laennec (c) Wilhelm Röntgen (d) the Wright brothers
  2. 2.What does a telephone help us do? (a) measure body temperature (b) find directions (c) see tiny germs (d) talk to people far away
  3. 3.What did Wilhelm Röntgen give us? (a) X-rays (b) the printing press (c) the electric battery (d) the telephone
  4. 4.💡 Who gave us raised-dot writing? (a) Johannes Gutenberg (b) Alexander Graham Bell (c) Louis Braille (d) Edward Jenner
  5. 5.🔧 Which invention helps us talk to people far away? (a) telescope (b) stethoscope (c) telephone (d) compass
  6. 6.💡 Who gave us the printing press? (a) Johannes Gutenberg (b) René Laennec (c) Louis Braille (d) Edward Jenner
  7. 7.What did Alessandro Volta give us? (a) X-rays (b) the stethoscope (c) the first aeroplane (d) the electric battery
  8. 8.💡 Who gave us the telephone? (a) Louis Braille (b) Johannes Gutenberg (c) Alexander Graham Bell (d) the Wright brothers
  9. 9.💡 Who gave us X-rays? (a) Johannes Gutenberg (b) Alexander Fleming (c) René Laennec (d) Wilhelm Röntgen
  10. 10.🔧 Which invention helps us measure body temperature? (a) telephone (b) printing press (c) calculator (d) thermometer
  11. 11.True or false: René Laennec gave us the printing press. (a) True (b) False
  12. 12.True or false: Alexander Graham Bell gave us the telephone. (a) True (b) False
  13. 13.🔧 Which invention helps us find directions? (a) compass (b) telescope (c) printing press (d) microscope
  14. 14.What did Alexander Graham Bell give us? (a) raised-dot writing (b) X-rays (c) the first aeroplane (d) the telephone
  15. 15.💡 Who gave us penicillin? (a) Edward Jenner (b) Alessandro Volta (c) Johannes Gutenberg (d) Alexander Fleming
  16. 16.What did the Wright brothers give us? (a) the first aeroplane (b) the telephone (c) the stethoscope (d) X-rays
  17. 17.True or false: Wilhelm Röntgen gave us X-rays. (a) False (b) True
  18. 18.True or false: a calculator helps us measure body temperature. (a) True (b) False
  19. 19.What does a microscope help us do? (a) do sums quickly (b) hear the heartbeat (c) tell the time (d) see tiny germs
  20. 20.True or false: a calculator helps us do sums quickly. (a) False (b) True
  21. 21.🔧 Which invention helps us see tiny germs? (a) microscope (b) stethoscope (c) calculator (d) compass
  22. 22.What does a clock help us do? (a) hear the heartbeat (b) tell the time (c) see faraway stars (d) do sums quickly
  23. 23.True or false: a microscope helps us see tiny germs. (a) True (b) False
  24. 24.True or false: a clock helps us do sums quickly. (a) True (b) False
  25. 25.💡 Who gave us the electric battery? (a) Alessandro Volta (b) Alexander Fleming (c) the Wright brothers (d) René Laennec
  26. 26.What does a printing press help us do? (a) tell the time (b) find directions (c) talk to people far away (d) print many books
  27. 27.True or false: a stethoscope helps us see faraway stars. (a) True (b) False
  28. 28.🔧 Which invention helps us print many books? (a) printing press (b) thermometer (c) clock (d) stethoscope
  29. 29.What does a telescope help us do? (a) hear the heartbeat (b) tell the time (c) see faraway stars (d) do sums quickly
  30. 30.True or false: a printing press helps us print many books. (a) False (b) True
  31. 31.True or false: Alexander Fleming gave us penicillin. (a) False (b) True
  32. 32.True or false: a stethoscope helps us hear the heartbeat. (a) True (b) False
  33. 33.What does a stethoscope help us do? (a) find directions (b) measure body temperature (c) do sums quickly (d) hear the heartbeat
  34. 34.💡 Who gave us the stethoscope? (a) the Wright brothers (b) Alexander Graham Bell (c) Wilhelm Röntgen (d) René Laennec
  35. 35.True or false: a compass helps us hear the heartbeat. (a) False (b) True
  36. 36.💡 Who gave us the smallpox vaccine? (a) Alessandro Volta (b) Alexander Graham Bell (c) Wilhelm Röntgen (d) Edward Jenner
  37. 37.What did Alexander Fleming give us? (a) the first aeroplane (b) X-rays (c) penicillin (d) the smallpox vaccine
  38. 38.True or false: Alexander Graham Bell gave us raised-dot writing. (a) True (b) False
  39. 39.What did Johannes Gutenberg give us? (a) the telephone (b) the electric battery (c) raised-dot writing (d) the printing press
  40. 40.True or false: a compass helps us see tiny germs. (a) False (b) True

Answer key

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

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