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Class 4 GK Worksheet: Inventions and Inventors

GK lesson 21: Inventions and inventors · Set 261 · 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: René Laennec gave us raised-dot writing. (a) False (b) True
  2. 2.True or false: a telescope helps us tell the time. (a) False (b) True
  3. 3.True or false: Alexander Fleming gave us raised-dot writing. (a) True (b) False
  4. 4.What did Louis Braille give us? (a) the first aeroplane (b) the stethoscope (c) raised-dot writing (d) the printing press
  5. 5.🔧 Which invention helps us tell the time? (a) stethoscope (b) telescope (c) clock (d) printing press
  6. 6.What does a printing press help us do? (a) talk to people far away (b) print many books (c) hear the heartbeat (d) do sums quickly
  7. 7.What did Alexander Graham Bell give us? (a) the printing press (b) the electric battery (c) the telephone (d) the stethoscope
  8. 8.True or false: Johannes Gutenberg gave us the printing press. (a) True (b) False
  9. 9.What did Alexander Fleming give us? (a) the smallpox vaccine (b) the stethoscope (c) raised-dot writing (d) penicillin
  10. 10.What does a compass help us do? (a) find directions (b) see faraway stars (c) print many books (d) do sums quickly
  11. 11.💡 Who gave us the stethoscope? (a) Edward Jenner (b) Alessandro Volta (c) Johannes Gutenberg (d) René Laennec
  12. 12.What does a clock help us do? (a) tell the time (b) find directions (c) talk to people far away (d) do sums quickly
  13. 13.💡 Who gave us penicillin? (a) the Wright brothers (b) Johannes Gutenberg (c) Alexander Graham Bell (d) Alexander Fleming
  14. 14.What does a calculator help us do? (a) print many books (b) do sums quickly (c) find directions (d) measure body temperature
  15. 15.What does a telephone help us do? (a) hear the heartbeat (b) print many books (c) measure body temperature (d) talk to people far away
  16. 16.🔧 Which invention helps us see tiny germs? (a) telescope (b) telephone (c) microscope (d) clock
  17. 17.True or false: Louis Braille gave us the telephone. (a) False (b) True
  18. 18.What did Edward Jenner give us? (a) penicillin (b) the electric battery (c) the telephone (d) the smallpox vaccine
  19. 19.True or false: a thermometer helps us talk to people far away. (a) True (b) False
  20. 20.True or false: a clock helps us do sums quickly. (a) True (b) False
  21. 21.💡 Who gave us the telephone? (a) Edward Jenner (b) the Wright brothers (c) René Laennec (d) Alexander Graham Bell
  22. 22.💡 Who gave us the electric battery? (a) René Laennec (b) Alessandro Volta (c) Johannes Gutenberg (d) Louis Braille
  23. 23.What did Johannes Gutenberg give us? (a) the smallpox vaccine (b) raised-dot writing (c) the stethoscope (d) the printing press
  24. 24.🔧 Which invention helps us hear the heartbeat? (a) compass (b) stethoscope (c) printing press (d) clock
  25. 25.🔧 Which invention helps us find directions? (a) clock (b) compass (c) printing press (d) telephone
  26. 26.What did Alessandro Volta give us? (a) the telephone (b) the printing press (c) the electric battery (d) the stethoscope
  27. 27.💡 Who gave us X-rays? (a) Wilhelm Röntgen (b) Alexander Graham Bell (c) Johannes Gutenberg (d) Louis Braille
  28. 28.💡 Who gave us the printing press? (a) Edward Jenner (b) Louis Braille (c) Wilhelm Röntgen (d) Johannes Gutenberg
  29. 29.What did Wilhelm Röntgen give us? (a) X-rays (b) raised-dot writing (c) the electric battery (d) the telephone
  30. 30.What did the Wright brothers give us? (a) the smallpox vaccine (b) the stethoscope (c) X-rays (d) the first aeroplane
  31. 31.True or false: a compass helps us do sums quickly. (a) False (b) True
  32. 32.True or false: a thermometer helps us print many books. (a) False (b) True
  33. 33.True or false: a stethoscope helps us do sums quickly. (a) True (b) False
  34. 34.True or false: Alessandro Volta gave us the electric battery. (a) False (b) True
  35. 35.💡 Who gave us raised-dot writing? (a) Edward Jenner (b) Johannes Gutenberg (c) Alexander Graham Bell (d) Louis Braille
  36. 36.💡 Who gave us the first aeroplane? (a) Edward Jenner (b) René Laennec (c) Alexander Graham Bell (d) the Wright brothers
  37. 37.True or false: Johannes Gutenberg gave us penicillin. (a) True (b) False
  38. 38.True or false: a clock helps us measure body temperature. (a) False (b) True
  39. 39.💡 Who gave us the smallpox vaccine? (a) Edward Jenner (b) Alexander Fleming (c) Johannes Gutenberg (d) Alexander Graham Bell
  40. 40.True or false: a printing press helps us see tiny germs. (a) False (b) True

Answer key

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

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