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Class 4 GK Worksheet: Inventions and Inventors

GK lesson 21: Inventions and inventors · Set 703 · 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.🔧 Which invention helps us talk to people far away? (a) clock (b) calculator (c) telephone (d) microscope
  2. 2.True or false: a stethoscope helps us print many books. (a) False (b) True
  3. 3.What does a printing press help us do? (a) tell the time (b) talk to people far away (c) print many books (d) see tiny germs
  4. 4.What did Alexander Fleming give us? (a) the first aeroplane (b) penicillin (c) X-rays (d) the smallpox vaccine
  5. 5.What did Wilhelm Röntgen give us? (a) raised-dot writing (b) the first aeroplane (c) X-rays (d) the printing press
  6. 6.True or false: Alessandro Volta gave us the printing press. (a) True (b) False
  7. 7.What does a compass help us do? (a) talk to people far away (b) hear the heartbeat (c) do sums quickly (d) find directions
  8. 8.True or false: a clock helps us talk to people far away. (a) False (b) True
  9. 9.🔧 Which invention helps us see tiny germs? (a) compass (b) microscope (c) telescope (d) thermometer
  10. 10.🔧 Which invention helps us see faraway stars? (a) telescope (b) microscope (c) compass (d) stethoscope
  11. 11.True or false: a calculator helps us hear the heartbeat. (a) True (b) False
  12. 12.🔧 Which invention helps us measure body temperature? (a) calculator (b) compass (c) stethoscope (d) thermometer
  13. 13.💡 Who gave us the stethoscope? (a) Johannes Gutenberg (b) Louis Braille (c) René Laennec (d) the Wright brothers
  14. 14.💡 Who gave us the printing press? (a) Edward Jenner (b) Johannes Gutenberg (c) Alexander Graham Bell (d) Wilhelm Röntgen
  15. 15.True or false: Louis Braille gave us raised-dot writing. (a) True (b) False
  16. 16.True or false: Edward Jenner gave us the smallpox vaccine. (a) False (b) True
  17. 17.True or false: Alexander Graham Bell gave us the telephone. (a) False (b) True
  18. 18.💡 Who gave us the telephone? (a) Wilhelm Röntgen (b) Alexander Graham Bell (c) Johannes Gutenberg (d) the Wright brothers
  19. 19.What does a telephone help us do? (a) measure body temperature (b) hear the heartbeat (c) talk to people far away (d) do sums quickly
  20. 20.True or false: a stethoscope helps us hear the heartbeat. (a) False (b) True
  21. 21.True or false: Wilhelm Röntgen gave us X-rays. (a) True (b) False
  22. 22.💡 Who gave us raised-dot writing? (a) Johannes Gutenberg (b) Louis Braille (c) Alexander Fleming (d) Alessandro Volta
  23. 23.True or false: Alessandro Volta gave us the electric battery. (a) False (b) True
  24. 24.True or false: a stethoscope helps us find directions. (a) False (b) True
  25. 25.What did Alexander Graham Bell give us? (a) the printing press (b) the smallpox vaccine (c) the telephone (d) the electric battery
  26. 26.💡 Who gave us the first aeroplane? (a) Alessandro Volta (b) the Wright brothers (c) René Laennec (d) Louis Braille
  27. 27.What does a stethoscope help us do? (a) find directions (b) talk to people far away (c) measure body temperature (d) hear the heartbeat
  28. 28.What does a microscope help us do? (a) see tiny germs (b) hear the heartbeat (c) do sums quickly (d) print many books
  29. 29.What did Louis Braille give us? (a) X-rays (b) raised-dot writing (c) the first aeroplane (d) the printing press
  30. 30.What did the Wright brothers give us? (a) the smallpox vaccine (b) the first aeroplane (c) the stethoscope (d) the telephone
  31. 31.True or false: a telephone helps us talk to people far away. (a) True (b) False
  32. 32.💡 Who gave us the electric battery? (a) Alexander Graham Bell (b) Louis Braille (c) Wilhelm Röntgen (d) Alessandro Volta
  33. 33.💡 Who gave us X-rays? (a) Louis Braille (b) Edward Jenner (c) Alexander Fleming (d) Wilhelm Röntgen
  34. 34.True or false: Johannes Gutenberg gave us the stethoscope. (a) False (b) True
  35. 35.True or false: Johannes Gutenberg gave us penicillin. (a) True (b) False
  36. 36.What did Alessandro Volta give us? (a) the stethoscope (b) the printing press (c) the electric battery (d) penicillin
  37. 37.True or false: Johannes Gutenberg gave us the electric battery. (a) True (b) False
  38. 38.💡 Who gave us penicillin? (a) Johannes Gutenberg (b) Alexander Graham Bell (c) Alexander Fleming (d) the Wright brothers
  39. 39.True or false: a printing press helps us print many books. (a) False (b) True
  40. 40.🔧 Which invention helps us tell the time? (a) clock (b) compass (c) telephone (d) microscope

Answer key

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

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