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Class 4 GK Worksheet: Inventions and Inventors

GK lesson 21: Inventions and inventors · Set 161 · 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) compass (b) stethoscope (c) clock (d) thermometer
  2. 2.💡 Who gave us the first aeroplane? (a) Wilhelm Röntgen (b) Louis Braille (c) the Wright brothers (d) Johannes Gutenberg
  3. 3.🔧 Which invention helps us see tiny germs? (a) printing press (b) calculator (c) stethoscope (d) microscope
  4. 4.💡 Who gave us the stethoscope? (a) Edward Jenner (b) Alexander Fleming (c) René Laennec (d) Wilhelm Röntgen
  5. 5.What did Alexander Fleming give us? (a) penicillin (b) the first aeroplane (c) the printing press (d) the electric battery
  6. 6.True or false: Johannes Gutenberg gave us the printing press. (a) False (b) True
  7. 7.True or false: Alexander Graham Bell gave us the telephone. (a) True (b) False
  8. 8.💡 Who gave us penicillin? (a) Louis Braille (b) Johannes Gutenberg (c) Alexander Fleming (d) Edward Jenner
  9. 9.What did Edward Jenner give us? (a) raised-dot writing (b) the first aeroplane (c) the stethoscope (d) the smallpox vaccine
  10. 10.True or false: a microscope helps us see tiny germs. (a) True (b) False
  11. 11.What does a clock help us do? (a) talk to people far away (b) see faraway stars (c) find directions (d) tell the time
  12. 12.True or false: René Laennec gave us the printing press. (a) False (b) True
  13. 13.True or false: a compass helps us find directions. (a) False (b) True
  14. 14.True or false: a compass helps us do sums quickly. (a) False (b) True
  15. 15.True or false: René Laennec gave us penicillin. (a) False (b) True
  16. 16.What does a microscope help us do? (a) talk to people far away (b) find directions (c) measure body temperature (d) see tiny germs
  17. 17.True or false: a clock helps us find directions. (a) False (b) True
  18. 18.🔧 Which invention helps us do sums quickly? (a) calculator (b) compass (c) stethoscope (d) telephone
  19. 19.💡 Who gave us the electric battery? (a) Alessandro Volta (b) René Laennec (c) Alexander Fleming (d) the Wright brothers
  20. 20.🔧 Which invention helps us find directions? (a) printing press (b) calculator (c) stethoscope (d) compass
  21. 21.True or false: a microscope helps us see faraway stars. (a) True (b) False
  22. 22.💡 Who gave us the smallpox vaccine? (a) Edward Jenner (b) Wilhelm Röntgen (c) the Wright brothers (d) Johannes Gutenberg
  23. 23.True or false: a telephone helps us see tiny germs. (a) True (b) False
  24. 24.What does a telescope help us do? (a) hear the heartbeat (b) find directions (c) tell the time (d) see faraway stars
  25. 25.What did Johannes Gutenberg give us? (a) penicillin (b) the printing press (c) X-rays (d) raised-dot writing
  26. 26.💡 Who gave us raised-dot writing? (a) Alexander Graham Bell (b) Alessandro Volta (c) Louis Braille (d) Johannes Gutenberg
  27. 27.What did Alexander Graham Bell give us? (a) the printing press (b) penicillin (c) the first aeroplane (d) the telephone
  28. 28.🔧 Which invention helps us hear the heartbeat? (a) stethoscope (b) calculator (c) compass (d) printing press
  29. 29.What does a telephone help us do? (a) see faraway stars (b) talk to people far away (c) measure body temperature (d) hear the heartbeat
  30. 30.True or false: a calculator helps us print many books. (a) True (b) False
  31. 31.🔧 Which invention helps us talk to people far away? (a) calculator (b) telephone (c) thermometer (d) clock
  32. 32.What did Wilhelm Röntgen give us? (a) the telephone (b) penicillin (c) the electric battery (d) X-rays
  33. 33.What does a compass help us do? (a) talk to people far away (b) do sums quickly (c) find directions (d) tell the time
  34. 34.What does a calculator help us do? (a) find directions (b) see tiny germs (c) talk to people far away (d) do sums quickly
  35. 35.True or false: a calculator helps us hear the heartbeat. (a) True (b) False
  36. 36.True or false: a thermometer helps us measure body temperature. (a) False (b) True
  37. 37.What does a thermometer help us do? (a) see tiny germs (b) find directions (c) see faraway stars (d) measure body temperature
  38. 38.True or false: Alexander Fleming gave us penicillin. (a) False (b) True
  39. 39.What does a printing press help us do? (a) see faraway stars (b) print many books (c) hear the heartbeat (d) see tiny germs
  40. 40.True or false: a thermometer helps us find directions. (a) False (b) True

Answer key

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

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