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Class 4 GK Worksheet: Inventions and Inventors

GK lesson 21: Inventions and inventors · Set 357 · 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 microscope helps us find directions. (a) True (b) False
  2. 2.What did René Laennec give us? (a) penicillin (b) raised-dot writing (c) the smallpox vaccine (d) the stethoscope
  3. 3.True or false: a stethoscope helps us hear the heartbeat. (a) True (b) False
  4. 4.💡 Who gave us the first aeroplane? (a) Alexander Fleming (b) Johannes Gutenberg (c) René Laennec (d) the Wright brothers
  5. 5.What does a calculator help us do? (a) measure body temperature (b) do sums quickly (c) print many books (d) hear the heartbeat
  6. 6.🔧 Which invention helps us see tiny germs? (a) calculator (b) telescope (c) microscope (d) telephone
  7. 7.💡 Who gave us raised-dot writing? (a) René Laennec (b) the Wright brothers (c) Louis Braille (d) Johannes Gutenberg
  8. 8.What did Alexander Fleming give us? (a) the stethoscope (b) the telephone (c) X-rays (d) penicillin
  9. 9.🔧 Which invention helps us do sums quickly? (a) calculator (b) thermometer (c) compass (d) printing press
  10. 10.🔧 Which invention helps us hear the heartbeat? (a) stethoscope (b) microscope (c) calculator (d) compass
  11. 11.True or false: Johannes Gutenberg gave us the telephone. (a) True (b) False
  12. 12.True or false: Alexander Graham Bell gave us penicillin. (a) False (b) True
  13. 13.💡 Who gave us X-rays? (a) Wilhelm Röntgen (b) Edward Jenner (c) Johannes Gutenberg (d) the Wright brothers
  14. 14.True or false: the Wright brothers gave us penicillin. (a) True (b) False
  15. 15.True or false: a stethoscope helps us print many books. (a) True (b) False
  16. 16.What did Edward Jenner give us? (a) the smallpox vaccine (b) the electric battery (c) the first aeroplane (d) raised-dot writing
  17. 17.💡 Who gave us the smallpox vaccine? (a) Edward Jenner (b) Alexander Graham Bell (c) Johannes Gutenberg (d) Alessandro Volta
  18. 18.True or false: a compass helps us find directions. (a) False (b) True
  19. 19.💡 Who gave us the telephone? (a) Alexander Graham Bell (b) René Laennec (c) Wilhelm Röntgen (d) Johannes Gutenberg
  20. 20.True or false: a thermometer helps us measure body temperature. (a) True (b) False
  21. 21.True or false: a clock helps us hear the heartbeat. (a) True (b) False
  22. 22.True or false: a printing press helps us measure body temperature. (a) False (b) True
  23. 23.True or false: Alessandro Volta gave us the first aeroplane. (a) True (b) False
  24. 24.What did Wilhelm Röntgen give us? (a) the electric battery (b) X-rays (c) raised-dot writing (d) the stethoscope
  25. 25.True or false: the Wright brothers gave us raised-dot writing. (a) False (b) True
  26. 26.What did Alessandro Volta give us? (a) the telephone (b) the electric battery (c) penicillin (d) the printing press
  27. 27.🔧 Which invention helps us see faraway stars? (a) compass (b) telephone (c) telescope (d) clock
  28. 28.True or false: Wilhelm Röntgen gave us X-rays. (a) True (b) False
  29. 29.💡 Who gave us penicillin? (a) Louis Braille (b) Alexander Fleming (c) René Laennec (d) Alessandro Volta
  30. 30.True or false: a printing press helps us tell the time. (a) True (b) False
  31. 31.🔧 Which invention helps us tell the time? (a) stethoscope (b) microscope (c) telescope (d) clock
  32. 32.🔧 Which invention helps us talk to people far away? (a) thermometer (b) printing press (c) calculator (d) telephone
  33. 33.What does a printing press help us do? (a) print many books (b) see faraway stars (c) do sums quickly (d) tell the time
  34. 34.True or false: the Wright brothers gave us the first aeroplane. (a) True (b) False
  35. 35.What did Louis Braille give us? (a) the first aeroplane (b) the telephone (c) the stethoscope (d) raised-dot writing
  36. 36.What does a clock help us do? (a) tell the time (b) talk to people far away (c) see faraway stars (d) see tiny germs
  37. 37.🔧 Which invention helps us find directions? (a) stethoscope (b) printing press (c) calculator (d) compass
  38. 38.True or false: a printing press helps us do sums quickly. (a) True (b) False
  39. 39.What did Alexander Graham Bell give us? (a) the first aeroplane (b) the stethoscope (c) the telephone (d) the electric battery
  40. 40.What does a telephone help us do? (a) talk to people far away (b) print many books (c) find directions (d) hear the heartbeat

Answer key

  1. False
  2. the stethoscope
  3. True
  4. the Wright brothers
  5. do sums quickly
  6. microscope
  7. Louis Braille
  8. penicillin
  9. calculator
  10. stethoscope
  11. False
  12. False
  13. Wilhelm Röntgen
  14. False
  15. False
  16. the smallpox vaccine
  17. Edward Jenner
  18. True
  19. Alexander Graham Bell
  20. True
  21. False
  22. False
  23. False
  24. X-rays
  25. False
  26. the electric battery
  27. telescope
  28. True
  29. Alexander Fleming
  30. False
  31. clock
  32. telephone
  33. print many books
  34. True
  35. raised-dot writing
  36. tell the time
  37. compass
  38. False
  39. the telephone
  40. talk to people far away

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