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Class 4 GK Worksheet: Inventions and Inventors

GK lesson 21: Inventions and inventors · Set 286 · 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 tell the time? (a) telephone (b) stethoscope (c) clock (d) calculator
  2. 2.True or false: Johannes Gutenberg gave us the first aeroplane. (a) True (b) False
  3. 3.True or false: a compass helps us see tiny germs. (a) False (b) True
  4. 4.True or false: a microscope helps us hear the heartbeat. (a) False (b) True
  5. 5.🔧 Which invention helps us find directions? (a) stethoscope (b) thermometer (c) telephone (d) compass
  6. 6.🔧 Which invention helps us hear the heartbeat? (a) thermometer (b) stethoscope (c) telephone (d) compass
  7. 7.💡 Who gave us penicillin? (a) Wilhelm Röntgen (b) Edward Jenner (c) Alexander Fleming (d) René Laennec
  8. 8.What did Alexander Fleming give us? (a) the first aeroplane (b) the stethoscope (c) penicillin (d) X-rays
  9. 9.🔧 Which invention helps us measure body temperature? (a) microscope (b) thermometer (c) telescope (d) calculator
  10. 10.What does a calculator help us do? (a) talk to people far away (b) hear the heartbeat (c) do sums quickly (d) tell the time
  11. 11.True or false: René Laennec gave us penicillin. (a) False (b) True
  12. 12.True or false: a telephone helps us tell the time. (a) False (b) True
  13. 13.True or false: a telescope helps us see faraway stars. (a) False (b) True
  14. 14.True or false: Edward Jenner gave us the smallpox vaccine. (a) False (b) True
  15. 15.What did Louis Braille give us? (a) X-rays (b) the stethoscope (c) raised-dot writing (d) the telephone
  16. 16.💡 Who gave us the telephone? (a) Edward Jenner (b) the Wright brothers (c) Louis Braille (d) Alexander Graham Bell
  17. 17.💡 Who gave us the stethoscope? (a) Wilhelm Röntgen (b) Edward Jenner (c) the Wright brothers (d) René Laennec
  18. 18.True or false: Johannes Gutenberg gave us X-rays. (a) True (b) False
  19. 19.What does a telephone help us do? (a) see tiny germs (b) find directions (c) talk to people far away (d) see faraway stars
  20. 20.True or false: a telephone helps us talk to people far away. (a) True (b) False
  21. 21.What did Johannes Gutenberg give us? (a) the stethoscope (b) the printing press (c) the first aeroplane (d) the smallpox vaccine
  22. 22.True or false: a clock helps us tell the time. (a) False (b) True
  23. 23.What does a microscope help us do? (a) tell the time (b) talk to people far away (c) hear the heartbeat (d) see tiny germs
  24. 24.💡 Who gave us raised-dot writing? (a) Edward Jenner (b) the Wright brothers (c) Louis Braille (d) Alessandro Volta
  25. 25.True or false: a thermometer helps us see tiny germs. (a) False (b) True
  26. 26.True or false: a calculator helps us tell the time. (a) False (b) True
  27. 27.What did Alexander Graham Bell give us? (a) the smallpox vaccine (b) raised-dot writing (c) the telephone (d) the stethoscope
  28. 28.🔧 Which invention helps us talk to people far away? (a) stethoscope (b) calculator (c) microscope (d) telephone
  29. 29.True or false: Alessandro Volta gave us the smallpox vaccine. (a) False (b) True
  30. 30.True or false: Alessandro Volta gave us the first aeroplane. (a) False (b) True
  31. 31.What does a thermometer help us do? (a) measure body temperature (b) see faraway stars (c) see tiny germs (d) hear the heartbeat
  32. 32.What does a compass help us do? (a) hear the heartbeat (b) do sums quickly (c) talk to people far away (d) find directions
  33. 33.True or false: a thermometer helps us talk to people far away. (a) True (b) False
  34. 34.💡 Who gave us the smallpox vaccine? (a) Louis Braille (b) Alexander Fleming (c) Wilhelm Röntgen (d) Edward Jenner
  35. 35.What did René Laennec give us? (a) the smallpox vaccine (b) the printing press (c) the stethoscope (d) penicillin
  36. 36.💡 Who gave us the printing press? (a) Johannes Gutenberg (b) Wilhelm Röntgen (c) Alexander Fleming (d) Alessandro Volta
  37. 37.True or false: René Laennec gave us the stethoscope. (a) False (b) True
  38. 38.What does a printing press help us do? (a) see tiny germs (b) tell the time (c) see faraway stars (d) print many books
  39. 39.🔧 Which invention helps us see tiny germs? (a) microscope (b) printing press (c) telephone (d) clock
  40. 40.🔧 Which invention helps us do sums quickly? (a) calculator (b) stethoscope (c) telephone (d) thermometer

Answer key

  1. clock
  2. False
  3. False
  4. False
  5. compass
  6. stethoscope
  7. Alexander Fleming
  8. penicillin
  9. thermometer
  10. do sums quickly
  11. False
  12. False
  13. True
  14. True
  15. raised-dot writing
  16. Alexander Graham Bell
  17. René Laennec
  18. False
  19. talk to people far away
  20. True
  21. the printing press
  22. True
  23. see tiny germs
  24. Louis Braille
  25. False
  26. False
  27. the telephone
  28. telephone
  29. False
  30. False
  31. measure body temperature
  32. find directions
  33. False
  34. Edward Jenner
  35. the stethoscope
  36. Johannes Gutenberg
  37. True
  38. print many books
  39. microscope
  40. calculator

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