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Class 4 GK Worksheet: Inventions and Inventors

GK lesson 21: Inventions and inventors · Set 420 · 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.What does a telescope help us do? (a) tell the time (b) see faraway stars (c) talk to people far away (d) measure body temperature
  2. 2.True or false: Alexander Fleming gave us penicillin. (a) False (b) True
  3. 3.💡 Who gave us the printing press? (a) Johannes Gutenberg (b) Alessandro Volta (c) René Laennec (d) Alexander Graham Bell
  4. 4.True or false: René Laennec gave us the stethoscope. (a) False (b) True
  5. 5.💡 Who gave us raised-dot writing? (a) René Laennec (b) Alexander Fleming (c) Louis Braille (d) Johannes Gutenberg
  6. 6.💡 Who gave us the electric battery? (a) Wilhelm Röntgen (b) Edward Jenner (c) Alessandro Volta (d) Alexander Fleming
  7. 7.🔧 Which invention helps us tell the time? (a) printing press (b) clock (c) calculator (d) compass
  8. 8.What does a stethoscope help us do? (a) tell the time (b) see faraway stars (c) hear the heartbeat (d) find directions
  9. 9.🔧 Which invention helps us measure body temperature? (a) microscope (b) telephone (c) thermometer (d) telescope
  10. 10.💡 Who gave us the smallpox vaccine? (a) Alexander Fleming (b) Alessandro Volta (c) René Laennec (d) Edward Jenner
  11. 11.True or false: the Wright brothers gave us the electric battery. (a) True (b) False
  12. 12.True or false: a thermometer helps us see faraway stars. (a) True (b) False
  13. 13.What did Wilhelm Röntgen give us? (a) the first aeroplane (b) raised-dot writing (c) the smallpox vaccine (d) X-rays
  14. 14.True or false: a thermometer helps us measure body temperature. (a) False (b) True
  15. 15.True or false: Alexander Fleming gave us X-rays. (a) True (b) False
  16. 16.What did the Wright brothers give us? (a) the electric battery (b) X-rays (c) the telephone (d) the first aeroplane
  17. 17.What did Johannes Gutenberg give us? (a) the first aeroplane (b) the telephone (c) the smallpox vaccine (d) the printing press
  18. 18.What did Edward Jenner give us? (a) the first aeroplane (b) the smallpox vaccine (c) penicillin (d) X-rays
  19. 19.💡 Who gave us the telephone? (a) Alexander Graham Bell (b) Alessandro Volta (c) the Wright brothers (d) Johannes Gutenberg
  20. 20.💡 Who gave us the stethoscope? (a) Alexander Graham Bell (b) Wilhelm Röntgen (c) René Laennec (d) Louis Braille
  21. 21.True or false: a telephone helps us see faraway stars. (a) False (b) True
  22. 22.True or false: the Wright brothers gave us the first aeroplane. (a) False (b) True
  23. 23.What did Alexander Graham Bell give us? (a) penicillin (b) the telephone (c) raised-dot writing (d) the first aeroplane
  24. 24.True or false: Alexander Graham Bell gave us raised-dot writing. (a) True (b) False
  25. 25.True or false: René Laennec gave us penicillin. (a) True (b) False
  26. 26.True or false: René Laennec gave us the telephone. (a) True (b) False
  27. 27.What did Louis Braille give us? (a) X-rays (b) penicillin (c) raised-dot writing (d) the printing press
  28. 28.True or false: a stethoscope helps us hear the heartbeat. (a) False (b) True
  29. 29.True or false: a calculator helps us do sums quickly. (a) False (b) True
  30. 30.True or false: a clock helps us see faraway stars. (a) True (b) False
  31. 31.True or false: Alessandro Volta gave us the electric battery. (a) True (b) False
  32. 32.True or false: a compass helps us hear the heartbeat. (a) True (b) False
  33. 33.🔧 Which invention helps us find directions? (a) telephone (b) printing press (c) compass (d) stethoscope
  34. 34.True or false: a stethoscope helps us see tiny germs. (a) True (b) False
  35. 35.🔧 Which invention helps us hear the heartbeat? (a) calculator (b) stethoscope (c) printing press (d) compass
  36. 36.What does a compass help us do? (a) find directions (b) see faraway stars (c) tell the time (d) do sums quickly
  37. 37.What does a telephone help us do? (a) find directions (b) measure body temperature (c) do sums quickly (d) talk to people far away
  38. 38.True or false: a telephone helps us print many books. (a) False (b) True
  39. 39.True or false: a printing press helps us hear the heartbeat. (a) False (b) True
  40. 40.True or false: a stethoscope helps us do sums quickly. (a) True (b) False

Answer key

  1. see faraway stars
  2. True
  3. Johannes Gutenberg
  4. True
  5. Louis Braille
  6. Alessandro Volta
  7. clock
  8. hear the heartbeat
  9. thermometer
  10. Edward Jenner
  11. False
  12. False
  13. X-rays
  14. True
  15. False
  16. the first aeroplane
  17. the printing press
  18. the smallpox vaccine
  19. Alexander Graham Bell
  20. René Laennec
  21. False
  22. True
  23. the telephone
  24. False
  25. False
  26. False
  27. raised-dot writing
  28. True
  29. True
  30. False
  31. True
  32. False
  33. compass
  34. False
  35. stethoscope
  36. find directions
  37. talk to people far away
  38. False
  39. False
  40. False

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