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Class 4 GK Worksheet: Inventions and Inventors

GK lesson 21: Inventions and inventors · Set 185 · 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.💡 Who gave us the electric battery? (a) Johannes Gutenberg (b) Edward Jenner (c) René Laennec (d) Alessandro Volta
  2. 2.True or false: a telescope helps us find directions. (a) False (b) True
  3. 3.What does a telescope help us do? (a) measure body temperature (b) print many books (c) see faraway stars (d) find directions
  4. 4.What did the Wright brothers give us? (a) the telephone (b) the first aeroplane (c) X-rays (d) penicillin
  5. 5.What does a stethoscope help us do? (a) tell the time (b) do sums quickly (c) hear the heartbeat (d) measure body temperature
  6. 6.What does a calculator help us do? (a) talk to people far away (b) see tiny germs (c) see faraway stars (d) do sums quickly
  7. 7.What did Johannes Gutenberg give us? (a) penicillin (b) the stethoscope (c) raised-dot writing (d) the printing press
  8. 8.True or false: a stethoscope helps us find directions. (a) False (b) True
  9. 9.True or false: a calculator helps us see tiny germs. (a) False (b) True
  10. 10.True or false: a compass helps us find directions. (a) True (b) False
  11. 11.💡 Who gave us the printing press? (a) Louis Braille (b) Johannes Gutenberg (c) Wilhelm Röntgen (d) Edward Jenner
  12. 12.🔧 Which invention helps us measure body temperature? (a) stethoscope (b) telescope (c) thermometer (d) telephone
  13. 13.True or false: Louis Braille gave us X-rays. (a) True (b) False
  14. 14.What did Edward Jenner give us? (a) the telephone (b) the printing press (c) X-rays (d) the smallpox vaccine
  15. 15.💡 Who gave us X-rays? (a) René Laennec (b) Alexander Graham Bell (c) Edward Jenner (d) Wilhelm Röntgen
  16. 16.💡 Who gave us the smallpox vaccine? (a) Alexander Fleming (b) Johannes Gutenberg (c) Edward Jenner (d) the Wright brothers
  17. 17.What does a telephone help us do? (a) hear the heartbeat (b) find directions (c) see faraway stars (d) talk to people far away
  18. 18.🔧 Which invention helps us see faraway stars? (a) telephone (b) calculator (c) microscope (d) telescope
  19. 19.💡 Who gave us the first aeroplane? (a) Edward Jenner (b) René Laennec (c) Alexander Graham Bell (d) the Wright brothers
  20. 20.💡 Who gave us the stethoscope? (a) Louis Braille (b) Alessandro Volta (c) René Laennec (d) Wilhelm Röntgen
  21. 21.🔧 Which invention helps us print many books? (a) printing press (b) stethoscope (c) clock (d) compass
  22. 22.What did Alexander Graham Bell give us? (a) the telephone (b) the stethoscope (c) raised-dot writing (d) penicillin
  23. 23.What did Alessandro Volta give us? (a) the stethoscope (b) the electric battery (c) penicillin (d) raised-dot writing
  24. 24.What does a microscope help us do? (a) see tiny germs (b) print many books (c) measure body temperature (d) hear the heartbeat
  25. 25.True or false: Johannes Gutenberg gave us the stethoscope. (a) True (b) False
  26. 26.💡 Who gave us penicillin? (a) Edward Jenner (b) Alexander Fleming (c) Wilhelm Röntgen (d) the Wright brothers
  27. 27.True or false: a calculator helps us do sums quickly. (a) False (b) True
  28. 28.What does a printing press help us do? (a) measure body temperature (b) tell the time (c) talk to people far away (d) print many books
  29. 29.🔧 Which invention helps us talk to people far away? (a) calculator (b) stethoscope (c) thermometer (d) telephone
  30. 30.True or false: the Wright brothers gave us the first aeroplane. (a) False (b) True
  31. 31.True or false: a calculator helps us tell the time. (a) False (b) True
  32. 32.True or false: a compass helps us print many books. (a) False (b) True
  33. 33.True or false: Alexander Graham Bell gave us penicillin. (a) True (b) False
  34. 34.True or false: a stethoscope helps us hear the heartbeat. (a) False (b) True
  35. 35.🔧 Which invention helps us do sums quickly? (a) stethoscope (b) clock (c) printing press (d) calculator
  36. 36.True or false: a thermometer helps us see tiny germs. (a) True (b) False
  37. 37.🔧 Which invention helps us hear the heartbeat? (a) clock (b) microscope (c) stethoscope (d) compass
  38. 38.🔧 Which invention helps us tell the time? (a) thermometer (b) calculator (c) clock (d) telephone
  39. 39.True or false: a clock helps us see tiny germs. (a) True (b) False
  40. 40.True or false: a microscope helps us find directions. (a) True (b) False

Answer key

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

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