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Class 4 GK Worksheet: Inventions and Inventors

GK lesson 21: Inventions and inventors · Set 270 · 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) microscope (b) telescope (c) printing press (d) calculator
  2. 2.What did René Laennec give us? (a) the telephone (b) the smallpox vaccine (c) penicillin (d) the stethoscope
  3. 3.What does a printing press help us do? (a) hear the heartbeat (b) tell the time (c) print many books (d) see faraway stars
  4. 4.🔧 Which invention helps us do sums quickly? (a) compass (b) stethoscope (c) calculator (d) telephone
  5. 5.What does a thermometer help us do? (a) see faraway stars (b) measure body temperature (c) hear the heartbeat (d) do sums quickly
  6. 6.What did Edward Jenner give us? (a) the telephone (b) X-rays (c) the smallpox vaccine (d) raised-dot writing
  7. 7.What did Alexander Graham Bell give us? (a) the printing press (b) the electric battery (c) the telephone (d) the stethoscope
  8. 8.True or false: a stethoscope helps us talk to people far away. (a) True (b) False
  9. 9.True or false: a printing press helps us print many books. (a) True (b) False
  10. 10.💡 Who gave us the electric battery? (a) Edward Jenner (b) Alessandro Volta (c) Wilhelm Röntgen (d) the Wright brothers
  11. 11.True or false: Johannes Gutenberg gave us the telephone. (a) False (b) True
  12. 12.What does a compass help us do? (a) do sums quickly (b) print many books (c) find directions (d) see faraway stars
  13. 13.What does a calculator help us do? (a) hear the heartbeat (b) find directions (c) print many books (d) do sums quickly
  14. 14.What did Louis Braille give us? (a) the telephone (b) the smallpox vaccine (c) the first aeroplane (d) raised-dot writing
  15. 15.True or false: Alexander Fleming gave us the stethoscope. (a) False (b) True
  16. 16.True or false: a compass helps us do sums quickly. (a) False (b) True
  17. 17.💡 Who gave us the stethoscope? (a) the Wright brothers (b) Louis Braille (c) René Laennec (d) Johannes Gutenberg
  18. 18.🔧 Which invention helps us hear the heartbeat? (a) calculator (b) telescope (c) compass (d) stethoscope
  19. 19.🔧 Which invention helps us tell the time? (a) clock (b) printing press (c) compass (d) telescope
  20. 20.💡 Who gave us raised-dot writing? (a) Edward Jenner (b) Alessandro Volta (c) Alexander Fleming (d) Louis Braille
  21. 21.🔧 Which invention helps us see faraway stars? (a) clock (b) telescope (c) compass (d) thermometer
  22. 22.💡 Who gave us X-rays? (a) Alessandro Volta (b) Alexander Graham Bell (c) Johannes Gutenberg (d) Wilhelm Röntgen
  23. 23.What does a stethoscope help us do? (a) measure body temperature (b) tell the time (c) print many books (d) hear the heartbeat
  24. 24.What did Johannes Gutenberg give us? (a) raised-dot writing (b) the printing press (c) the telephone (d) the first aeroplane
  25. 25.True or false: Alexander Graham Bell gave us the telephone. (a) True (b) False
  26. 26.What does a microscope help us do? (a) measure body temperature (b) see tiny germs (c) hear the heartbeat (d) find directions
  27. 27.True or false: a microscope helps us see tiny germs. (a) True (b) False
  28. 28.What did Wilhelm Röntgen give us? (a) the printing press (b) raised-dot writing (c) X-rays (d) the telephone
  29. 29.True or false: a compass helps us find directions. (a) False (b) True
  30. 30.💡 Who gave us the smallpox vaccine? (a) the Wright brothers (b) Alessandro Volta (c) Johannes Gutenberg (d) Edward Jenner
  31. 31.True or false: a calculator helps us see tiny germs. (a) True (b) False
  32. 32.💡 Who gave us the first aeroplane? (a) René Laennec (b) Johannes Gutenberg (c) Edward Jenner (d) the Wright brothers
  33. 33.💡 Who gave us penicillin? (a) Johannes Gutenberg (b) the Wright brothers (c) Alexander Fleming (d) Wilhelm Röntgen
  34. 34.True or false: Alexander Graham Bell gave us the smallpox vaccine. (a) False (b) True
  35. 35.💡 Who gave us the telephone? (a) Edward Jenner (b) Louis Braille (c) René Laennec (d) Alexander Graham Bell
  36. 36.🔧 Which invention helps us measure body temperature? (a) calculator (b) telephone (c) telescope (d) thermometer
  37. 37.🔧 Which invention helps us print many books? (a) printing press (b) clock (c) thermometer (d) telescope
  38. 38.🔧 Which invention helps us talk to people far away? (a) thermometer (b) clock (c) telephone (d) telescope
  39. 39.What does a clock help us do? (a) find directions (b) measure body temperature (c) talk to people far away (d) tell the time
  40. 40.True or false: Louis Braille gave us raised-dot writing. (a) True (b) False

Answer key

  1. microscope
  2. the stethoscope
  3. print many books
  4. calculator
  5. measure body temperature
  6. the smallpox vaccine
  7. the telephone
  8. False
  9. True
  10. Alessandro Volta
  11. False
  12. find directions
  13. do sums quickly
  14. raised-dot writing
  15. False
  16. False
  17. René Laennec
  18. stethoscope
  19. clock
  20. Louis Braille
  21. telescope
  22. Wilhelm Röntgen
  23. hear the heartbeat
  24. the printing press
  25. True
  26. see tiny germs
  27. True
  28. X-rays
  29. True
  30. Edward Jenner
  31. False
  32. the Wright brothers
  33. Alexander Fleming
  34. False
  35. Alexander Graham Bell
  36. thermometer
  37. printing press
  38. telephone
  39. tell the time
  40. True

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