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Class 4 GK Worksheet: Inventions and Inventors

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

Answer key

  1. False
  2. print many books
  3. see tiny germs
  4. True
  5. do sums quickly
  6. thermometer
  7. False
  8. Alexander Fleming
  9. clock
  10. the stethoscope
  11. penicillin
  12. the first aeroplane
  13. False
  14. True
  15. True
  16. telephone
  17. Alessandro Volta
  18. the electric battery
  19. False
  20. printing press
  21. X-rays
  22. False
  23. the Wright brothers
  24. talk to people far away
  25. False
  26. True
  27. Edward Jenner
  28. True
  29. Louis Braille
  30. False
  31. False
  32. True
  33. measure body temperature
  34. stethoscope
  35. the printing press
  36. Wilhelm Röntgen
  37. False
  38. Johannes Gutenberg
  39. True
  40. False

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