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Class 4 GK Worksheet: Inventions and Inventors

GK lesson 21: Inventions and inventors · Set 523 · 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.True or false: a clock helps us talk to people far away. (a) False (b) True
  2. 2.True or false: Johannes Gutenberg gave us the first aeroplane. (a) True (b) False
  3. 3.💡 Who gave us the telephone? (a) Alexander Fleming (b) Alessandro Volta (c) Alexander Graham Bell (d) Louis Braille
  4. 4.🔧 Which invention helps us talk to people far away? (a) stethoscope (b) telephone (c) compass (d) microscope
  5. 5.What did Alexander Graham Bell give us? (a) raised-dot writing (b) the telephone (c) X-rays (d) the stethoscope
  6. 6.🔧 Which invention helps us measure body temperature? (a) telephone (b) clock (c) thermometer (d) telescope
  7. 7.💡 Who gave us raised-dot writing? (a) Johannes Gutenberg (b) Alessandro Volta (c) Louis Braille (d) Alexander Graham Bell
  8. 8.True or false: Alessandro Volta gave us the electric battery. (a) True (b) False
  9. 9.True or false: Alessandro Volta gave us the first aeroplane. (a) True (b) False
  10. 10.What does a telephone help us do? (a) see faraway stars (b) hear the heartbeat (c) measure body temperature (d) talk to people far away
  11. 11.What did Alexander Fleming give us? (a) penicillin (b) raised-dot writing (c) the printing press (d) the first aeroplane
  12. 12.True or false: a compass helps us find directions. (a) False (b) True
  13. 13.What did the Wright brothers give us? (a) the first aeroplane (b) the printing press (c) the telephone (d) raised-dot writing
  14. 14.💡 Who gave us X-rays? (a) René Laennec (b) Wilhelm Röntgen (c) Alexander Graham Bell (d) the Wright brothers
  15. 15.True or false: Edward Jenner gave us the smallpox vaccine. (a) False (b) True
  16. 16.True or false: a compass helps us measure body temperature. (a) True (b) False
  17. 17.True or false: Edward Jenner gave us the printing press. (a) True (b) False
  18. 18.💡 Who gave us the first aeroplane? (a) the Wright brothers (b) René Laennec (c) Edward Jenner (d) Alexander Graham Bell
  19. 19.What does a printing press help us do? (a) print many books (b) hear the heartbeat (c) tell the time (d) talk to people far away
  20. 20.True or false: René Laennec gave us the stethoscope. (a) True (b) False
  21. 21.🔧 Which invention helps us hear the heartbeat? (a) stethoscope (b) thermometer (c) microscope (d) printing press
  22. 22.True or false: Johannes Gutenberg gave us the printing press. (a) False (b) True
  23. 23.What did Edward Jenner give us? (a) the smallpox vaccine (b) the first aeroplane (c) the telephone (d) the stethoscope
  24. 24.True or false: a printing press helps us print many books. (a) True (b) False
  25. 25.💡 Who gave us the smallpox vaccine? (a) Edward Jenner (b) Alexander Graham Bell (c) Johannes Gutenberg (d) Wilhelm Röntgen
  26. 26.True or false: Louis Braille gave us the smallpox vaccine. (a) True (b) False
  27. 27.🔧 Which invention helps us find directions? (a) stethoscope (b) thermometer (c) telescope (d) compass
  28. 28.💡 Who gave us the electric battery? (a) the Wright brothers (b) Louis Braille (c) Alexander Fleming (d) Alessandro Volta
  29. 29.What did Wilhelm Röntgen give us? (a) the electric battery (b) X-rays (c) penicillin (d) the printing press
  30. 30.💡 Who gave us penicillin? (a) Johannes Gutenberg (b) Edward Jenner (c) Alexander Fleming (d) Alexander Graham Bell
  31. 31.What did Alessandro Volta give us? (a) raised-dot writing (b) X-rays (c) penicillin (d) the electric battery
  32. 32.🔧 Which invention helps us see tiny germs? (a) printing press (b) microscope (c) telescope (d) stethoscope
  33. 33.True or false: Louis Braille gave us raised-dot writing. (a) True (b) False
  34. 34.True or false: Alexander Fleming gave us the printing press. (a) True (b) False
  35. 35.True or false: a thermometer helps us tell the time. (a) True (b) False
  36. 36.What did René Laennec give us? (a) the telephone (b) the electric battery (c) raised-dot writing (d) the stethoscope
  37. 37.True or false: a thermometer helps us see tiny germs. (a) False (b) True
  38. 38.What did Wilhelm Röntgen give us? (a) raised-dot writing (b) the electric battery (c) X-rays (d) the smallpox vaccine
  39. 39.💡 Who gave us the stethoscope? (a) Johannes Gutenberg (b) Alexander Fleming (c) Edward Jenner (d) René Laennec
  40. 40.🔧 Which invention helps us tell the time? (a) calculator (b) telephone (c) clock (d) printing press

Answer key

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

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