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Class 4 GK Worksheet: Inventions and Inventors

GK lesson 21: Inventions and inventors · Set 738 · 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 see tiny germs? (a) telephone (b) clock (c) microscope (d) compass
  2. 2.What did Alexander Fleming give us? (a) raised-dot writing (b) the electric battery (c) penicillin (d) the stethoscope
  3. 3.What did Johannes Gutenberg give us? (a) X-rays (b) raised-dot writing (c) the stethoscope (d) the printing press
  4. 4.💡 Who gave us penicillin? (a) Alexander Graham Bell (b) Johannes Gutenberg (c) Alexander Fleming (d) the Wright brothers
  5. 5.True or false: a calculator helps us see faraway stars. (a) False (b) True
  6. 6.🔧 Which invention helps us tell the time? (a) stethoscope (b) clock (c) calculator (d) telephone
  7. 7.💡 Who gave us the telephone? (a) Wilhelm Röntgen (b) Alexander Graham Bell (c) René Laennec (d) Louis Braille
  8. 8.What did Edward Jenner give us? (a) raised-dot writing (b) the smallpox vaccine (c) the electric battery (d) the printing press
  9. 9.What does a telephone help us do? (a) measure body temperature (b) find directions (c) hear the heartbeat (d) talk to people far away
  10. 10.True or false: Edward Jenner gave us the smallpox vaccine. (a) False (b) True
  11. 11.True or false: a stethoscope helps us find directions. (a) True (b) False
  12. 12.💡 Who gave us the stethoscope? (a) the Wright brothers (b) Edward Jenner (c) Alexander Fleming (d) René Laennec
  13. 13.True or false: the Wright brothers gave us raised-dot writing. (a) True (b) False
  14. 14.💡 Who gave us the smallpox vaccine? (a) Wilhelm Röntgen (b) Louis Braille (c) Edward Jenner (d) Alexander Graham Bell
  15. 15.What did Wilhelm Röntgen give us? (a) X-rays (b) the telephone (c) the first aeroplane (d) penicillin
  16. 16.💡 Who gave us raised-dot writing? (a) the Wright brothers (b) Louis Braille (c) Alexander Fleming (d) Wilhelm Röntgen
  17. 17.True or false: a calculator helps us do sums quickly. (a) False (b) True
  18. 18.True or false: the Wright brothers gave us the electric battery. (a) False (b) True
  19. 19.True or false: a clock helps us tell the time. (a) False (b) True
  20. 20.🔧 Which invention helps us see faraway stars? (a) printing press (b) telescope (c) thermometer (d) telephone
  21. 21.What did Alexander Graham Bell give us? (a) the telephone (b) the first aeroplane (c) X-rays (d) the electric battery
  22. 22.🔧 Which invention helps us talk to people far away? (a) thermometer (b) clock (c) stethoscope (d) telephone
  23. 23.What does a stethoscope help us do? (a) do sums quickly (b) measure body temperature (c) hear the heartbeat (d) tell the time
  24. 24.True or false: Johannes Gutenberg gave us the smallpox vaccine. (a) False (b) True
  25. 25.What does a compass help us do? (a) find directions (b) hear the heartbeat (c) talk to people far away (d) see faraway stars
  26. 26.True or false: a stethoscope helps us see faraway stars. (a) True (b) False
  27. 27.What does a calculator help us do? (a) print many books (b) do sums quickly (c) hear the heartbeat (d) measure body temperature
  28. 28.💡 Who gave us the first aeroplane? (a) Johannes Gutenberg (b) the Wright brothers (c) Alessandro Volta (d) Louis Braille
  29. 29.True or false: a microscope helps us hear the heartbeat. (a) True (b) False
  30. 30.💡 Who gave us the printing press? (a) Alexander Fleming (b) Johannes Gutenberg (c) Louis Braille (d) René Laennec
  31. 31.🔧 Which invention helps us do sums quickly? (a) compass (b) clock (c) microscope (d) calculator
  32. 32.💡 Who gave us X-rays? (a) the Wright brothers (b) Wilhelm Röntgen (c) Alexander Graham Bell (d) Alessandro Volta
  33. 33.What does a thermometer help us do? (a) do sums quickly (b) see tiny germs (c) measure body temperature (d) find directions
  34. 34.What did Alessandro Volta give us? (a) the first aeroplane (b) the printing press (c) the electric battery (d) the telephone
  35. 35.🔧 Which invention helps us find directions? (a) clock (b) calculator (c) telephone (d) compass
  36. 36.🔧 Which invention helps us measure body temperature? (a) thermometer (b) telescope (c) telephone (d) compass
  37. 37.True or false: a calculator helps us hear the heartbeat. (a) False (b) True
  38. 38.True or false: a stethoscope helps us hear the heartbeat. (a) True (b) False
  39. 39.True or false: a compass helps us find directions. (a) True (b) False
  40. 40.True or false: a thermometer helps us print many books. (a) False (b) True

Answer key

  1. microscope
  2. penicillin
  3. the printing press
  4. Alexander Fleming
  5. False
  6. clock
  7. Alexander Graham Bell
  8. the smallpox vaccine
  9. talk to people far away
  10. True
  11. False
  12. René Laennec
  13. False
  14. Edward Jenner
  15. X-rays
  16. Louis Braille
  17. True
  18. False
  19. True
  20. telescope
  21. the telephone
  22. telephone
  23. hear the heartbeat
  24. False
  25. find directions
  26. False
  27. do sums quickly
  28. the Wright brothers
  29. False
  30. Johannes Gutenberg
  31. calculator
  32. Wilhelm Röntgen
  33. measure body temperature
  34. the electric battery
  35. compass
  36. thermometer
  37. False
  38. True
  39. True
  40. False

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