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Class 4 GK Worksheet: Inventions and Inventors

GK lesson 21: Inventions and inventors · Set 748 · 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 find directions? (a) compass (b) telephone (c) clock (d) calculator
  2. 2.True or false: a telephone helps us talk to people far away. (a) False (b) True
  3. 3.💡 Who gave us penicillin? (a) Alexander Fleming (b) Louis Braille (c) Johannes Gutenberg (d) René Laennec
  4. 4.True or false: a microscope helps us see tiny germs. (a) False (b) True
  5. 5.What did Alexander Fleming give us? (a) raised-dot writing (b) the first aeroplane (c) the telephone (d) penicillin
  6. 6.What does a telephone help us do? (a) see tiny germs (b) tell the time (c) talk to people far away (d) do sums quickly
  7. 7.What does a calculator help us do? (a) hear the heartbeat (b) do sums quickly (c) tell the time (d) find directions
  8. 8.What does a microscope help us do? (a) measure body temperature (b) find directions (c) see tiny germs (d) print many books
  9. 9.What did Alexander Graham Bell give us? (a) the smallpox vaccine (b) the electric battery (c) the telephone (d) the stethoscope
  10. 10.True or false: a stethoscope helps us hear the heartbeat. (a) False (b) True
  11. 11.What does a stethoscope help us do? (a) tell the time (b) talk to people far away (c) do sums quickly (d) hear the heartbeat
  12. 12.What did the Wright brothers give us? (a) raised-dot writing (b) the first aeroplane (c) the stethoscope (d) the printing press
  13. 13.True or false: René Laennec gave us the stethoscope. (a) True (b) False
  14. 14.🔧 Which invention helps us see tiny germs? (a) clock (b) telephone (c) microscope (d) stethoscope
  15. 15.True or false: a thermometer helps us measure body temperature. (a) False (b) True
  16. 16.True or false: Louis Braille gave us penicillin. (a) True (b) False
  17. 17.💡 Who gave us raised-dot writing? (a) Alexander Graham Bell (b) Johannes Gutenberg (c) Louis Braille (d) Edward Jenner
  18. 18.💡 Who gave us the first aeroplane? (a) Louis Braille (b) Alexander Fleming (c) Alexander Graham Bell (d) the Wright brothers
  19. 19.What did Edward Jenner give us? (a) X-rays (b) raised-dot writing (c) the smallpox vaccine (d) penicillin
  20. 20.True or false: a calculator helps us do sums quickly. (a) True (b) False
  21. 21.💡 Who gave us the electric battery? (a) Alessandro Volta (b) Alexander Fleming (c) the Wright brothers (d) Louis Braille
  22. 22.True or false: a thermometer helps us see tiny germs. (a) False (b) True
  23. 23.True or false: René Laennec gave us the electric battery. (a) False (b) True
  24. 24.What does a printing press help us do? (a) see tiny germs (b) see faraway stars (c) tell the time (d) print many books
  25. 25.True or false: Alessandro Volta gave us raised-dot writing. (a) True (b) False
  26. 26.💡 Who gave us the stethoscope? (a) Alexander Graham Bell (b) Alessandro Volta (c) Alexander Fleming (d) René Laennec
  27. 27.True or false: Louis Braille gave us raised-dot writing. (a) True (b) False
  28. 28.🔧 Which invention helps us measure body temperature? (a) compass (b) microscope (c) thermometer (d) clock
  29. 29.💡 Who gave us the telephone? (a) Johannes Gutenberg (b) Alexander Graham Bell (c) Alessandro Volta (d) Louis Braille
  30. 30.What does a clock help us do? (a) see tiny germs (b) hear the heartbeat (c) tell the time (d) do sums quickly
  31. 31.True or false: Louis Braille gave us the printing press. (a) False (b) True
  32. 32.💡 Who gave us the smallpox vaccine? (a) Alexander Graham Bell (b) Alessandro Volta (c) Edward Jenner (d) René Laennec
  33. 33.True or false: the Wright brothers gave us the first aeroplane. (a) True (b) False
  34. 34.True or false: a calculator helps us measure body temperature. (a) True (b) False
  35. 35.True or false: a telephone helps us see faraway stars. (a) False (b) True
  36. 36.💡 Who gave us X-rays? (a) Louis Braille (b) Wilhelm Röntgen (c) Johannes Gutenberg (d) the Wright brothers
  37. 37.True or false: a telephone helps us tell the time. (a) False (b) True
  38. 38.What did Louis Braille give us? (a) raised-dot writing (b) the printing press (c) the first aeroplane (d) the stethoscope
  39. 39.What did René Laennec give us? (a) the telephone (b) X-rays (c) raised-dot writing (d) the stethoscope
  40. 40.What did Wilhelm Röntgen give us? (a) the smallpox vaccine (b) penicillin (c) X-rays (d) the printing press

Answer key

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

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