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Class 4 GK Worksheet: Inventions and Inventors

GK lesson 21: Inventions and inventors · Set 182 · 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.💡 Who gave us the stethoscope? (a) Alexander Graham Bell (b) Alessandro Volta (c) the Wright brothers (d) René Laennec
  2. 2.🔧 Which invention helps us hear the heartbeat? (a) thermometer (b) microscope (c) stethoscope (d) telephone
  3. 3.What did the Wright brothers give us? (a) the telephone (b) the first aeroplane (c) the stethoscope (d) the electric battery
  4. 4.What did Edward Jenner give us? (a) the printing press (b) penicillin (c) the smallpox vaccine (d) the electric battery
  5. 5.🔧 Which invention helps us measure body temperature? (a) printing press (b) telephone (c) stethoscope (d) thermometer
  6. 6.💡 Who gave us X-rays? (a) René Laennec (b) Alessandro Volta (c) Wilhelm Röntgen (d) Alexander Fleming
  7. 7.💡 Who gave us penicillin? (a) Wilhelm Röntgen (b) the Wright brothers (c) Edward Jenner (d) Alexander Fleming
  8. 8.What did Alexander Graham Bell give us? (a) penicillin (b) the stethoscope (c) the smallpox vaccine (d) the telephone
  9. 9.🔧 Which invention helps us see faraway stars? (a) telescope (b) thermometer (c) compass (d) calculator
  10. 10.True or false: a microscope helps us see tiny germs. (a) False (b) True
  11. 11.True or false: Alexander Graham Bell gave us raised-dot writing. (a) True (b) False
  12. 12.💡 Who gave us the smallpox vaccine? (a) Alexander Graham Bell (b) Edward Jenner (c) Johannes Gutenberg (d) Alexander Fleming
  13. 13.True or false: a microscope helps us do sums quickly. (a) True (b) False
  14. 14.💡 Who gave us raised-dot writing? (a) Alexander Fleming (b) Louis Braille (c) Alessandro Volta (d) Alexander Graham Bell
  15. 15.True or false: the Wright brothers gave us the smallpox vaccine. (a) True (b) False
  16. 16.What does a microscope help us do? (a) talk to people far away (b) print many books (c) see tiny germs (d) measure body temperature
  17. 17.What does a calculator help us do? (a) see tiny germs (b) do sums quickly (c) hear the heartbeat (d) talk to people far away
  18. 18.🔧 Which invention helps us see tiny germs? (a) calculator (b) telescope (c) thermometer (d) microscope
  19. 19.What did Louis Braille give us? (a) the smallpox vaccine (b) raised-dot writing (c) the printing press (d) the stethoscope
  20. 20.What did Alessandro Volta give us? (a) the smallpox vaccine (b) the electric battery (c) X-rays (d) the printing press
  21. 21.💡 Who gave us the printing press? (a) Edward Jenner (b) the Wright brothers (c) René Laennec (d) Johannes Gutenberg
  22. 22.True or false: a stethoscope helps us talk to people far away. (a) False (b) True
  23. 23.💡 Who gave us the telephone? (a) Wilhelm Röntgen (b) René Laennec (c) Alexander Graham Bell (d) Johannes Gutenberg
  24. 24.What does a compass help us do? (a) measure body temperature (b) see faraway stars (c) find directions (d) do sums quickly
  25. 25.True or false: Alexander Graham Bell gave us X-rays. (a) True (b) False
  26. 26.🔧 Which invention helps us talk to people far away? (a) telephone (b) thermometer (c) microscope (d) stethoscope
  27. 27.What does a stethoscope help us do? (a) hear the heartbeat (b) print many books (c) find directions (d) talk to people far away
  28. 28.True or false: a stethoscope helps us hear the heartbeat. (a) True (b) False
  29. 29.What does a clock help us do? (a) print many books (b) hear the heartbeat (c) tell the time (d) find directions
  30. 30.What does a telescope help us do? (a) do sums quickly (b) print many books (c) hear the heartbeat (d) see faraway stars
  31. 31.💡 Who gave us the electric battery? (a) Johannes Gutenberg (b) Alexander Graham Bell (c) Alessandro Volta (d) Louis Braille
  32. 32.True or false: Alexander Fleming gave us penicillin. (a) True (b) False
  33. 33.What did Johannes Gutenberg give us? (a) the smallpox vaccine (b) the printing press (c) the telephone (d) X-rays
  34. 34.True or false: a stethoscope helps us find directions. (a) False (b) True
  35. 35.🔧 Which invention helps us find directions? (a) printing press (b) telephone (c) compass (d) microscope
  36. 36.What did René Laennec give us? (a) the first aeroplane (b) the stethoscope (c) the electric battery (d) raised-dot writing
  37. 37.True or false: René Laennec gave us the first aeroplane. (a) True (b) False
  38. 38.True or false: a calculator helps us do sums quickly. (a) True (b) False
  39. 39.What did Alexander Fleming give us? (a) the first aeroplane (b) the smallpox vaccine (c) X-rays (d) penicillin
  40. 40.True or false: René Laennec gave us the smallpox vaccine. (a) False (b) True

Answer key

  1. René Laennec
  2. stethoscope
  3. the first aeroplane
  4. the smallpox vaccine
  5. thermometer
  6. Wilhelm Röntgen
  7. Alexander Fleming
  8. the telephone
  9. telescope
  10. True
  11. False
  12. Edward Jenner
  13. False
  14. Louis Braille
  15. False
  16. see tiny germs
  17. do sums quickly
  18. microscope
  19. raised-dot writing
  20. the electric battery
  21. Johannes Gutenberg
  22. False
  23. Alexander Graham Bell
  24. find directions
  25. False
  26. telephone
  27. hear the heartbeat
  28. True
  29. tell the time
  30. see faraway stars
  31. Alessandro Volta
  32. True
  33. the printing press
  34. False
  35. compass
  36. the stethoscope
  37. False
  38. True
  39. penicillin
  40. False

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