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Class 4 GK Worksheet: Inventions and Inventors

GK lesson 21: Inventions and inventors · Set 168 · 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 hear the heartbeat. (a) True (b) False
  2. 2.What does a telephone help us do? (a) hear the heartbeat (b) see faraway stars (c) print many books (d) talk to people far away
  3. 3.What does a telescope help us do? (a) hear the heartbeat (b) talk to people far away (c) see faraway stars (d) find directions
  4. 4.True or false: a telephone helps us talk to people far away. (a) False (b) True
  5. 5.💡 Who gave us the smallpox vaccine? (a) Edward Jenner (b) the Wright brothers (c) Johannes Gutenberg (d) Alessandro Volta
  6. 6.True or false: a stethoscope helps us hear the heartbeat. (a) False (b) True
  7. 7.True or false: Johannes Gutenberg gave us the printing press. (a) True (b) False
  8. 8.What did Alessandro Volta give us? (a) the printing press (b) the electric battery (c) penicillin (d) the first aeroplane
  9. 9.True or false: a thermometer helps us find directions. (a) False (b) True
  10. 10.What did Wilhelm Röntgen give us? (a) X-rays (b) the first aeroplane (c) the smallpox vaccine (d) the stethoscope
  11. 11.🔧 Which invention helps us talk to people far away? (a) compass (b) telephone (c) microscope (d) printing press
  12. 12.What did Alexander Graham Bell give us? (a) penicillin (b) the printing press (c) the telephone (d) the stethoscope
  13. 13.💡 Who gave us the printing press? (a) Wilhelm Röntgen (b) Alexander Fleming (c) the Wright brothers (d) Johannes Gutenberg
  14. 14.What did René Laennec give us? (a) the first aeroplane (b) the stethoscope (c) raised-dot writing (d) the electric battery
  15. 15.True or false: Louis Braille gave us the first aeroplane. (a) False (b) True
  16. 16.🔧 Which invention helps us print many books? (a) telephone (b) printing press (c) microscope (d) thermometer
  17. 17.What did the Wright brothers give us? (a) raised-dot writing (b) the printing press (c) the first aeroplane (d) penicillin
  18. 18.True or false: Edward Jenner gave us the smallpox vaccine. (a) False (b) True
  19. 19.💡 Who gave us raised-dot writing? (a) Alexander Fleming (b) Johannes Gutenberg (c) René Laennec (d) Louis Braille
  20. 20.🔧 Which invention helps us see faraway stars? (a) stethoscope (b) compass (c) microscope (d) telescope
  21. 21.True or false: a telescope helps us see faraway stars. (a) False (b) True
  22. 22.True or false: a clock helps us hear the heartbeat. (a) True (b) False
  23. 23.What did Edward Jenner give us? (a) the telephone (b) the printing press (c) X-rays (d) the smallpox vaccine
  24. 24.💡 Who gave us the stethoscope? (a) René Laennec (b) the Wright brothers (c) Alexander Fleming (d) Alessandro Volta
  25. 25.True or false: a microscope helps us see tiny germs. (a) False (b) True
  26. 26.💡 Who gave us the first aeroplane? (a) Alessandro Volta (b) Louis Braille (c) Alexander Fleming (d) the Wright brothers
  27. 27.What does a calculator help us do? (a) hear the heartbeat (b) do sums quickly (c) find directions (d) measure body temperature
  28. 28.What does a compass help us do? (a) find directions (b) do sums quickly (c) see faraway stars (d) print many books
  29. 29.True or false: a stethoscope helps us see tiny germs. (a) False (b) True
  30. 30.💡 Who gave us the telephone? (a) René Laennec (b) Edward Jenner (c) Alexander Graham Bell (d) Johannes Gutenberg
  31. 31.True or false: a calculator helps us print many books. (a) True (b) False
  32. 32.🔧 Which invention helps us hear the heartbeat? (a) telephone (b) stethoscope (c) thermometer (d) clock
  33. 33.True or false: a thermometer helps us measure body temperature. (a) False (b) True
  34. 34.💡 Who gave us the electric battery? (a) Alexander Fleming (b) Johannes Gutenberg (c) the Wright brothers (d) Alessandro Volta
  35. 35.True or false: a compass helps us find directions. (a) True (b) False
  36. 36.What does a stethoscope help us do? (a) print many books (b) measure body temperature (c) see faraway stars (d) hear the heartbeat
  37. 37.What does a clock help us do? (a) print many books (b) do sums quickly (c) tell the time (d) talk to people far away
  38. 38.True or false: a compass helps us tell the time. (a) False (b) True
  39. 39.True or false: Alexander Fleming gave us penicillin. (a) False (b) True
  40. 40.True or false: a stethoscope helps us see faraway stars. (a) True (b) False

Answer key

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

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