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Class 4 GK Worksheet: Inventions and Inventors

GK lesson 21: Inventions and inventors · Set 138 · 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 compass helps us see faraway stars. (a) True (b) False
  2. 2.True or false: a stethoscope helps us hear the heartbeat. (a) False (b) True
  3. 3.True or false: the Wright brothers gave us raised-dot writing. (a) True (b) False
  4. 4.What did René Laennec give us? (a) the stethoscope (b) X-rays (c) the first aeroplane (d) penicillin
  5. 5.What did Edward Jenner give us? (a) the smallpox vaccine (b) penicillin (c) raised-dot writing (d) the telephone
  6. 6.What does a thermometer help us do? (a) print many books (b) talk to people far away (c) tell the time (d) measure body temperature
  7. 7.What does a telephone help us do? (a) talk to people far away (b) see tiny germs (c) see faraway stars (d) do sums quickly
  8. 8.🔧 Which invention helps us hear the heartbeat? (a) stethoscope (b) clock (c) compass (d) thermometer
  9. 9.True or false: Louis Braille gave us raised-dot writing. (a) False (b) True
  10. 10.What does a stethoscope help us do? (a) tell the time (b) find directions (c) hear the heartbeat (d) see faraway stars
  11. 11.💡 Who gave us raised-dot writing? (a) the Wright brothers (b) Alessandro Volta (c) Alexander Graham Bell (d) Louis Braille
  12. 12.True or false: Alexander Fleming gave us X-rays. (a) True (b) False
  13. 13.🔧 Which invention helps us tell the time? (a) clock (b) stethoscope (c) telescope (d) compass
  14. 14.True or false: a microscope helps us see tiny germs. (a) False (b) True
  15. 15.💡 Who gave us the stethoscope? (a) Wilhelm Röntgen (b) Edward Jenner (c) Johannes Gutenberg (d) René Laennec
  16. 16.True or false: Wilhelm Röntgen gave us X-rays. (a) True (b) False
  17. 17.🔧 Which invention helps us find directions? (a) microscope (b) stethoscope (c) printing press (d) compass
  18. 18.What did Alexander Fleming give us? (a) the telephone (b) penicillin (c) the stethoscope (d) the printing press
  19. 19.What does a printing press help us do? (a) see faraway stars (b) find directions (c) print many books (d) talk to people far away
  20. 20.🔧 Which invention helps us see tiny germs? (a) thermometer (b) printing press (c) calculator (d) microscope
  21. 21.🔧 Which invention helps us print many books? (a) compass (b) microscope (c) printing press (d) clock
  22. 22.💡 Who gave us X-rays? (a) Alexander Fleming (b) Wilhelm Röntgen (c) Edward Jenner (d) the Wright brothers
  23. 23.What did the Wright brothers give us? (a) the electric battery (b) the smallpox vaccine (c) the telephone (d) the first aeroplane
  24. 24.What did Alexander Graham Bell give us? (a) the telephone (b) the stethoscope (c) X-rays (d) the smallpox vaccine
  25. 25.🔧 Which invention helps us measure body temperature? (a) compass (b) stethoscope (c) telescope (d) thermometer
  26. 26.💡 Who gave us the electric battery? (a) Alexander Graham Bell (b) Edward Jenner (c) Wilhelm Röntgen (d) Alessandro Volta
  27. 27.True or false: Alexander Fleming gave us the printing press. (a) True (b) False
  28. 28.True or false: a calculator helps us do sums quickly. (a) False (b) True
  29. 29.What does a microscope help us do? (a) measure body temperature (b) do sums quickly (c) tell the time (d) see tiny germs
  30. 30.What did Wilhelm Röntgen give us? (a) the printing press (b) the stethoscope (c) X-rays (d) the smallpox vaccine
  31. 31.True or false: a compass helps us find directions. (a) True (b) False
  32. 32.💡 Who gave us penicillin? (a) Alexander Fleming (b) Alessandro Volta (c) Wilhelm Röntgen (d) René Laennec
  33. 33.True or false: the Wright brothers gave us penicillin. (a) False (b) True
  34. 34.What did Alessandro Volta give us? (a) raised-dot writing (b) penicillin (c) the stethoscope (d) the electric battery
  35. 35.🔧 Which invention helps us talk to people far away? (a) thermometer (b) telephone (c) compass (d) telescope
  36. 36.True or false: a compass helps us do sums quickly. (a) True (b) False
  37. 37.True or false: a thermometer helps us measure body temperature. (a) False (b) True
  38. 38.What does a telescope help us do? (a) hear the heartbeat (b) see faraway stars (c) find directions (d) do sums quickly
  39. 39.True or false: Johannes Gutenberg gave us the printing press. (a) True (b) False
  40. 40.What did Johannes Gutenberg give us? (a) the electric battery (b) the printing press (c) raised-dot writing (d) penicillin

Answer key

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

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