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Class 4 GK Worksheet: Inventions and Inventors

GK lesson 21: Inventions and inventors · Set 213 · 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) Alexander Graham Bell (b) Johannes Gutenberg (c) Wilhelm Röntgen (d) Louis Braille
  2. 2.True or false: René Laennec gave us penicillin. (a) True (b) False
  3. 3.True or false: Johannes Gutenberg gave us the stethoscope. (a) True (b) False
  4. 4.🔧 Which invention helps us measure body temperature? (a) calculator (b) telephone (c) thermometer (d) stethoscope
  5. 5.True or false: Louis Braille gave us raised-dot writing. (a) True (b) False
  6. 6.What did Johannes Gutenberg give us? (a) the printing press (b) raised-dot writing (c) X-rays (d) the telephone
  7. 7.🔧 Which invention helps us tell the time? (a) microscope (b) thermometer (c) printing press (d) clock
  8. 8.What does a calculator help us do? (a) do sums quickly (b) measure body temperature (c) print many books (d) hear the heartbeat
  9. 9.🔧 Which invention helps us see tiny germs? (a) compass (b) microscope (c) clock (d) stethoscope
  10. 10.True or false: Johannes Gutenberg gave us the printing press. (a) False (b) True
  11. 11.True or false: Wilhelm Röntgen gave us the printing press. (a) True (b) False
  12. 12.True or false: Wilhelm Röntgen gave us X-rays. (a) True (b) False
  13. 13.True or false: René Laennec gave us the stethoscope. (a) True (b) False
  14. 14.💡 Who gave us the printing press? (a) Wilhelm Röntgen (b) Louis Braille (c) Johannes Gutenberg (d) René Laennec
  15. 15.What does a telephone help us do? (a) talk to people far away (b) measure body temperature (c) see faraway stars (d) print many books
  16. 16.💡 Who gave us the smallpox vaccine? (a) Alexander Graham Bell (b) Alexander Fleming (c) Edward Jenner (d) Louis Braille
  17. 17.True or false: a thermometer helps us hear the heartbeat. (a) True (b) False
  18. 18.What does a thermometer help us do? (a) tell the time (b) print many books (c) talk to people far away (d) measure body temperature
  19. 19.True or false: a telescope helps us talk to people far away. (a) False (b) True
  20. 20.What did Alexander Graham Bell give us? (a) the first aeroplane (b) penicillin (c) the stethoscope (d) the telephone
  21. 21.What did Louis Braille give us? (a) X-rays (b) raised-dot writing (c) penicillin (d) the electric battery
  22. 22.True or false: a printing press helps us print many books. (a) False (b) True
  23. 23.True or false: a clock helps us talk to people far away. (a) False (b) True
  24. 24.What does a compass help us do? (a) measure body temperature (b) find directions (c) talk to people far away (d) do sums quickly
  25. 25.True or false: a thermometer helps us measure body temperature. (a) True (b) False
  26. 26.🔧 Which invention helps us talk to people far away? (a) clock (b) calculator (c) compass (d) telephone
  27. 27.💡 Who gave us the telephone? (a) Alexander Graham Bell (b) Alessandro Volta (c) Edward Jenner (d) the Wright brothers
  28. 28.True or false: Edward Jenner gave us raised-dot writing. (a) True (b) False
  29. 29.💡 Who gave us the stethoscope? (a) René Laennec (b) Edward Jenner (c) the Wright brothers (d) Alexander Graham Bell
  30. 30.True or false: Wilhelm Röntgen gave us the smallpox vaccine. (a) True (b) False
  31. 31.💡 Who gave us the first aeroplane? (a) Alexander Fleming (b) the Wright brothers (c) Louis Braille (d) Johannes Gutenberg
  32. 32.🔧 Which invention helps us see faraway stars? (a) telescope (b) printing press (c) compass (d) telephone
  33. 33.What does a telescope help us do? (a) find directions (b) tell the time (c) hear the heartbeat (d) see faraway stars
  34. 34.True or false: the Wright brothers gave us the first aeroplane. (a) False (b) True
  35. 35.What did René Laennec give us? (a) the stethoscope (b) the electric battery (c) X-rays (d) the first aeroplane
  36. 36.🔧 Which invention helps us hear the heartbeat? (a) stethoscope (b) telescope (c) printing press (d) microscope
  37. 37.True or false: a compass helps us print many books. (a) True (b) False
  38. 38.💡 Who gave us penicillin? (a) Wilhelm Röntgen (b) Alexander Fleming (c) Louis Braille (d) René Laennec
  39. 39.💡 Who gave us X-rays? (a) Wilhelm Röntgen (b) Alessandro Volta (c) Edward Jenner (d) Johannes Gutenberg
  40. 40.True or false: a stethoscope helps us talk to people far away. (a) True (b) False

Answer key

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

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