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Class 4 GK Worksheet: Inventions and Inventors

GK lesson 21: Inventions and inventors · Set 772 · 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) clock (b) stethoscope (c) microscope (d) thermometer
  2. 2.What did Louis Braille give us? (a) penicillin (b) raised-dot writing (c) the smallpox vaccine (d) the stethoscope
  3. 3.🔧 Which invention helps us print many books? (a) printing press (b) calculator (c) telescope (d) telephone
  4. 4.💡 Who gave us the smallpox vaccine? (a) the Wright brothers (b) Wilhelm Röntgen (c) Alexander Graham Bell (d) Edward Jenner
  5. 5.What did Alexander Graham Bell give us? (a) penicillin (b) the telephone (c) the electric battery (d) the smallpox vaccine
  6. 6.🔧 Which invention helps us hear the heartbeat? (a) telephone (b) clock (c) stethoscope (d) thermometer
  7. 7.True or false: Edward Jenner gave us the stethoscope. (a) False (b) True
  8. 8.💡 Who gave us the first aeroplane? (a) Johannes Gutenberg (b) the Wright brothers (c) Alessandro Volta (d) Wilhelm Röntgen
  9. 9.What does a telephone help us do? (a) do sums quickly (b) print many books (c) talk to people far away (d) hear the heartbeat
  10. 10.What did Wilhelm Röntgen give us? (a) the stethoscope (b) X-rays (c) penicillin (d) the smallpox vaccine
  11. 11.True or false: Alessandro Volta gave us penicillin. (a) False (b) True
  12. 12.True or false: a stethoscope helps us see faraway stars. (a) True (b) False
  13. 13.🔧 Which invention helps us see faraway stars? (a) compass (b) stethoscope (c) telescope (d) calculator
  14. 14.What does a microscope help us do? (a) print many books (b) tell the time (c) measure body temperature (d) see tiny germs
  15. 15.True or false: a telephone helps us talk to people far away. (a) True (b) False
  16. 16.True or false: a calculator helps us do sums quickly. (a) True (b) False
  17. 17.What did Edward Jenner give us? (a) the smallpox vaccine (b) the telephone (c) raised-dot writing (d) the printing press
  18. 18.💡 Who gave us the electric battery? (a) the Wright brothers (b) Edward Jenner (c) Alessandro Volta (d) René Laennec
  19. 19.True or false: a printing press helps us print many books. (a) True (b) False
  20. 20.True or false: Edward Jenner gave us the smallpox vaccine. (a) True (b) False
  21. 21.What did the Wright brothers give us? (a) the first aeroplane (b) the printing press (c) the telephone (d) penicillin
  22. 22.True or false: Louis Braille gave us raised-dot writing. (a) False (b) True
  23. 23.What did Alessandro Volta give us? (a) the electric battery (b) the telephone (c) penicillin (d) the printing press
  24. 24.True or false: a thermometer helps us measure body temperature. (a) True (b) False
  25. 25.True or false: Wilhelm Röntgen gave us X-rays. (a) False (b) True
  26. 26.True or false: a compass helps us talk to people far away. (a) True (b) False
  27. 27.💡 Who gave us raised-dot writing? (a) Alexander Fleming (b) the Wright brothers (c) Alessandro Volta (d) Louis Braille
  28. 28.True or false: Johannes Gutenberg gave us the printing press. (a) True (b) False
  29. 29.💡 Who gave us the printing press? (a) Alexander Fleming (b) Alessandro Volta (c) Johannes Gutenberg (d) Louis Braille
  30. 30.True or false: the Wright brothers gave us raised-dot writing. (a) True (b) False
  31. 31.🔧 Which invention helps us talk to people far away? (a) calculator (b) microscope (c) printing press (d) telephone
  32. 32.True or false: a stethoscope helps us hear the heartbeat. (a) False (b) True
  33. 33.💡 Who gave us the stethoscope? (a) Alexander Graham Bell (b) René Laennec (c) Wilhelm Röntgen (d) Alessandro Volta
  34. 34.What does a clock help us do? (a) hear the heartbeat (b) find directions (c) do sums quickly (d) tell the time
  35. 35.🔧 Which invention helps us do sums quickly? (a) thermometer (b) calculator (c) telescope (d) compass
  36. 36.True or false: the Wright brothers gave us the telephone. (a) True (b) False
  37. 37.True or false: the Wright brothers gave us the first aeroplane. (a) False (b) True
  38. 38.🔧 Which invention helps us tell the time? (a) compass (b) thermometer (c) telescope (d) clock
  39. 39.What does a calculator help us do? (a) hear the heartbeat (b) tell the time (c) find directions (d) do sums quickly
  40. 40.🔧 Which invention helps us measure body temperature? (a) stethoscope (b) compass (c) thermometer (d) printing press

Answer key

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

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