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Class 4 GK Worksheet: Inventions and Inventors

GK lesson 21: Inventions and inventors · Set 419 · 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) microscope (b) clock (c) printing press (d) compass
  2. 2.True or false: Alexander Graham Bell gave us raised-dot writing. (a) False (b) True
  3. 3.What does a stethoscope help us do? (a) talk to people far away (b) tell the time (c) find directions (d) hear the heartbeat
  4. 4.🔧 Which invention helps us hear the heartbeat? (a) clock (b) microscope (c) compass (d) stethoscope
  5. 5.What did the Wright brothers give us? (a) X-rays (b) the first aeroplane (c) the smallpox vaccine (d) the printing press
  6. 6.💡 Who gave us the first aeroplane? (a) René Laennec (b) Louis Braille (c) Edward Jenner (d) the Wright brothers
  7. 7.💡 Who gave us the electric battery? (a) Alessandro Volta (b) René Laennec (c) Edward Jenner (d) Alexander Graham Bell
  8. 8.💡 Who gave us penicillin? (a) Alexander Graham Bell (b) Alessandro Volta (c) Louis Braille (d) Alexander Fleming
  9. 9.🔧 Which invention helps us see tiny germs? (a) telescope (b) microscope (c) clock (d) thermometer
  10. 10.💡 Who gave us the printing press? (a) the Wright brothers (b) Louis Braille (c) Alexander Graham Bell (d) Johannes Gutenberg
  11. 11.What does a telescope help us do? (a) see tiny germs (b) talk to people far away (c) see faraway stars (d) find directions
  12. 12.What does a thermometer help us do? (a) do sums quickly (b) hear the heartbeat (c) see tiny germs (d) measure body temperature
  13. 13.True or false: Louis Braille gave us the first aeroplane. (a) False (b) True
  14. 14.What does a printing press help us do? (a) measure body temperature (b) talk to people far away (c) do sums quickly (d) print many books
  15. 15.💡 Who gave us X-rays? (a) Edward Jenner (b) Johannes Gutenberg (c) Louis Braille (d) Wilhelm Röntgen
  16. 16.🔧 Which invention helps us talk to people far away? (a) clock (b) telephone (c) thermometer (d) microscope
  17. 17.True or false: Johannes Gutenberg gave us the smallpox vaccine. (a) False (b) True
  18. 18.True or false: a compass helps us see tiny germs. (a) True (b) False
  19. 19.True or false: a clock helps us see tiny germs. (a) True (b) False
  20. 20.🔧 Which invention helps us measure body temperature? (a) clock (b) thermometer (c) printing press (d) telephone
  21. 21.What does a calculator help us do? (a) measure body temperature (b) do sums quickly (c) see tiny germs (d) see faraway stars
  22. 22.What did Alexander Fleming give us? (a) the printing press (b) the first aeroplane (c) raised-dot writing (d) penicillin
  23. 23.🔧 Which invention helps us do sums quickly? (a) microscope (b) calculator (c) telescope (d) printing press
  24. 24.True or false: René Laennec gave us the stethoscope. (a) False (b) True
  25. 25.What does a clock help us do? (a) talk to people far away (b) see faraway stars (c) tell the time (d) measure body temperature
  26. 26.What does a telephone help us do? (a) see faraway stars (b) talk to people far away (c) print many books (d) tell the time
  27. 27.True or false: a clock helps us tell the time. (a) True (b) False
  28. 28.True or false: a calculator helps us talk to people far away. (a) True (b) False
  29. 29.True or false: a stethoscope helps us hear the heartbeat. (a) True (b) False
  30. 30.True or false: a clock helps us print many books. (a) True (b) False
  31. 31.What did Louis Braille give us? (a) the telephone (b) the printing press (c) the stethoscope (d) raised-dot writing
  32. 32.🔧 Which invention helps us tell the time? (a) clock (b) telephone (c) calculator (d) thermometer
  33. 33.What did Edward Jenner give us? (a) the smallpox vaccine (b) raised-dot writing (c) penicillin (d) the telephone
  34. 34.💡 Who gave us the stethoscope? (a) Johannes Gutenberg (b) René Laennec (c) Edward Jenner (d) Louis Braille
  35. 35.True or false: a thermometer helps us measure body temperature. (a) True (b) False
  36. 36.True or false: a printing press helps us see faraway stars. (a) True (b) False
  37. 37.💡 Who gave us raised-dot writing? (a) René Laennec (b) Alexander Graham Bell (c) the Wright brothers (d) Louis Braille
  38. 38.💡 Who gave us the smallpox vaccine? (a) Edward Jenner (b) Wilhelm Röntgen (c) Johannes Gutenberg (d) Alessandro Volta
  39. 39.What did Johannes Gutenberg give us? (a) the printing press (b) penicillin (c) the electric battery (d) the first aeroplane
  40. 40.What did René Laennec give us? (a) raised-dot writing (b) the first aeroplane (c) the printing press (d) the stethoscope

Answer key

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

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