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Class 4 GK Worksheet: Inventions and Inventors

GK lesson 21: Inventions and inventors · Set 522 · 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 compass helps us talk to people far away. (a) False (b) True
  2. 2.True or false: a compass helps us find directions. (a) True (b) False
  3. 3.What did Edward Jenner give us? (a) the printing press (b) penicillin (c) the smallpox vaccine (d) the stethoscope
  4. 4.True or false: Edward Jenner gave us the smallpox vaccine. (a) False (b) True
  5. 5.What did Louis Braille give us? (a) the smallpox vaccine (b) raised-dot writing (c) the stethoscope (d) the electric battery
  6. 6.True or false: Alexander Fleming gave us penicillin. (a) False (b) True
  7. 7.True or false: Alexander Fleming gave us the first aeroplane. (a) False (b) True
  8. 8.What did Alexander Graham Bell give us? (a) the stethoscope (b) the telephone (c) penicillin (d) the first aeroplane
  9. 9.True or false: a compass helps us measure body temperature. (a) False (b) True
  10. 10.True or false: Edward Jenner gave us the first aeroplane. (a) False (b) True
  11. 11.True or false: a telephone helps us talk to people far away. (a) True (b) False
  12. 12.What did Alexander Fleming give us? (a) the electric battery (b) X-rays (c) the first aeroplane (d) penicillin
  13. 13.💡 Who gave us the smallpox vaccine? (a) Wilhelm Röntgen (b) the Wright brothers (c) Johannes Gutenberg (d) Edward Jenner
  14. 14.True or false: a telephone helps us tell the time. (a) False (b) True
  15. 15.What does a telescope help us do? (a) tell the time (b) measure body temperature (c) see faraway stars (d) see tiny germs
  16. 16.🔧 Which invention helps us see faraway stars? (a) calculator (b) telescope (c) compass (d) telephone
  17. 17.What does a printing press help us do? (a) print many books (b) do sums quickly (c) hear the heartbeat (d) see faraway stars
  18. 18.True or false: a clock helps us tell the time. (a) True (b) False
  19. 19.What does a clock help us do? (a) see tiny germs (b) print many books (c) tell the time (d) do sums quickly
  20. 20.🔧 Which invention helps us hear the heartbeat? (a) calculator (b) stethoscope (c) clock (d) microscope
  21. 21.💡 Who gave us raised-dot writing? (a) Edward Jenner (b) Louis Braille (c) Alessandro Volta (d) Alexander Graham Bell
  22. 22.True or false: Edward Jenner gave us raised-dot writing. (a) True (b) False
  23. 23.💡 Who gave us the electric battery? (a) Louis Braille (b) the Wright brothers (c) Edward Jenner (d) Alessandro Volta
  24. 24.What did René Laennec give us? (a) penicillin (b) the smallpox vaccine (c) the stethoscope (d) the first aeroplane
  25. 25.True or false: the Wright brothers gave us the first aeroplane. (a) True (b) False
  26. 26.True or false: Johannes Gutenberg gave us the stethoscope. (a) False (b) True
  27. 27.True or false: Alexander Fleming gave us the smallpox vaccine. (a) True (b) False
  28. 28.True or false: René Laennec gave us X-rays. (a) False (b) True
  29. 29.🔧 Which invention helps us measure body temperature? (a) compass (b) stethoscope (c) microscope (d) thermometer
  30. 30.🔧 Which invention helps us tell the time? (a) compass (b) stethoscope (c) printing press (d) clock
  31. 31.What does a stethoscope help us do? (a) see faraway stars (b) print many books (c) hear the heartbeat (d) talk to people far away
  32. 32.💡 Who gave us the telephone? (a) Edward Jenner (b) Alexander Fleming (c) Alexander Graham Bell (d) Alessandro Volta
  33. 33.True or false: Wilhelm Röntgen gave us X-rays. (a) False (b) True
  34. 34.💡 Who gave us the printing press? (a) Alexander Graham Bell (b) Louis Braille (c) Johannes Gutenberg (d) René Laennec
  35. 35.What does a calculator help us do? (a) see faraway stars (b) print many books (c) talk to people far away (d) do sums quickly
  36. 36.What does a telephone help us do? (a) print many books (b) find directions (c) do sums quickly (d) talk to people far away
  37. 37.💡 Who gave us X-rays? (a) Wilhelm Röntgen (b) Louis Braille (c) Johannes Gutenberg (d) René Laennec
  38. 38.True or false: a stethoscope helps us hear the heartbeat. (a) False (b) True
  39. 39.🔧 Which invention helps us talk to people far away? (a) telephone (b) stethoscope (c) compass (d) printing press
  40. 40.True or false: a thermometer helps us tell the time. (a) True (b) False

Answer key

  1. False
  2. True
  3. the smallpox vaccine
  4. True
  5. raised-dot writing
  6. True
  7. False
  8. the telephone
  9. False
  10. False
  11. True
  12. penicillin
  13. Edward Jenner
  14. False
  15. see faraway stars
  16. telescope
  17. print many books
  18. True
  19. tell the time
  20. stethoscope
  21. Louis Braille
  22. False
  23. Alessandro Volta
  24. the stethoscope
  25. True
  26. False
  27. False
  28. False
  29. thermometer
  30. clock
  31. hear the heartbeat
  32. Alexander Graham Bell
  33. True
  34. Johannes Gutenberg
  35. do sums quickly
  36. talk to people far away
  37. Wilhelm Röntgen
  38. True
  39. telephone
  40. False

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