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Class 4 GK Worksheet: Inventions and Inventors

GK lesson 21: Inventions and inventors · Set 412 · 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 do sums quickly? (a) compass (b) telephone (c) stethoscope (d) calculator
  2. 2.What did Alexander Graham Bell give us? (a) the printing press (b) the telephone (c) the electric battery (d) the smallpox vaccine
  3. 3.💡 Who gave us penicillin? (a) Johannes Gutenberg (b) René Laennec (c) Alexander Graham Bell (d) Alexander Fleming
  4. 4.💡 Who gave us the smallpox vaccine? (a) Edward Jenner (b) the Wright brothers (c) Alexander Fleming (d) Alexander Graham Bell
  5. 5.True or false: a clock helps us see faraway stars. (a) True (b) False
  6. 6.What does a calculator help us do? (a) hear the heartbeat (b) talk to people far away (c) measure body temperature (d) do sums quickly
  7. 7.What does a telephone help us do? (a) talk to people far away (b) tell the time (c) print many books (d) find directions
  8. 8.True or false: a thermometer helps us see tiny germs. (a) False (b) True
  9. 9.True or false: Wilhelm Röntgen gave us the printing press. (a) True (b) False
  10. 10.What does a compass help us do? (a) talk to people far away (b) tell the time (c) print many books (d) find directions
  11. 11.💡 Who gave us the printing press? (a) Wilhelm Röntgen (b) the Wright brothers (c) Johannes Gutenberg (d) René Laennec
  12. 12.True or false: a thermometer helps us measure body temperature. (a) False (b) True
  13. 13.🔧 Which invention helps us measure body temperature? (a) thermometer (b) calculator (c) compass (d) stethoscope
  14. 14.💡 Who gave us raised-dot writing? (a) Edward Jenner (b) Alexander Fleming (c) Louis Braille (d) Johannes Gutenberg
  15. 15.💡 Who gave us the telephone? (a) René Laennec (b) Alexander Graham Bell (c) Wilhelm Röntgen (d) Louis Braille
  16. 16.💡 Who gave us the stethoscope? (a) the Wright brothers (b) René Laennec (c) Edward Jenner (d) Johannes Gutenberg
  17. 17.What did Wilhelm Röntgen give us? (a) raised-dot writing (b) the first aeroplane (c) X-rays (d) the stethoscope
  18. 18.🔧 Which invention helps us see tiny germs? (a) clock (b) thermometer (c) stethoscope (d) microscope
  19. 19.True or false: a telescope helps us measure body temperature. (a) True (b) False
  20. 20.What did the Wright brothers give us? (a) the stethoscope (b) the electric battery (c) the first aeroplane (d) the printing press
  21. 21.What did Edward Jenner give us? (a) the first aeroplane (b) penicillin (c) the stethoscope (d) the smallpox vaccine
  22. 22.True or false: René Laennec gave us the telephone. (a) True (b) False
  23. 23.True or false: Edward Jenner gave us the smallpox vaccine. (a) False (b) True
  24. 24.True or false: a stethoscope helps us find directions. (a) False (b) True
  25. 25.What did Johannes Gutenberg give us? (a) the electric battery (b) the printing press (c) the stethoscope (d) raised-dot writing
  26. 26.What did Alexander Fleming give us? (a) the stethoscope (b) X-rays (c) penicillin (d) the telephone
  27. 27.What does a clock help us do? (a) see faraway stars (b) tell the time (c) hear the heartbeat (d) talk to people far away
  28. 28.🔧 Which invention helps us tell the time? (a) thermometer (b) telescope (c) stethoscope (d) clock
  29. 29.💡 Who gave us the electric battery? (a) René Laennec (b) Alessandro Volta (c) Louis Braille (d) the Wright brothers
  30. 30.What did Louis Braille give us? (a) raised-dot writing (b) the printing press (c) the smallpox vaccine (d) penicillin
  31. 31.True or false: the Wright brothers gave us the first aeroplane. (a) True (b) False
  32. 32.🔧 Which invention helps us print many books? (a) stethoscope (b) calculator (c) printing press (d) telescope
  33. 33.🔧 Which invention helps us find directions? (a) thermometer (b) clock (c) calculator (d) compass
  34. 34.What did René Laennec give us? (a) the telephone (b) the first aeroplane (c) penicillin (d) the stethoscope
  35. 35.True or false: Louis Braille gave us raised-dot writing. (a) False (b) True
  36. 36.True or false: René Laennec gave us penicillin. (a) False (b) True
  37. 37.🔧 Which invention helps us talk to people far away? (a) telescope (b) telephone (c) compass (d) thermometer
  38. 38.What does a microscope help us do? (a) see tiny germs (b) measure body temperature (c) print many books (d) do sums quickly
  39. 39.🔧 Which invention helps us see faraway stars? (a) thermometer (b) compass (c) clock (d) telescope
  40. 40.True or false: a stethoscope helps us do sums quickly. (a) True (b) False

Answer key

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

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