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Class 4 GK Worksheet: Inventions and Inventors

GK lesson 21: Inventions and inventors · Set 492 · 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 hear the heartbeat? (a) printing press (b) stethoscope (c) clock (d) compass
  2. 2.What does a stethoscope help us do? (a) see faraway stars (b) hear the heartbeat (c) measure body temperature (d) print many books
  3. 3.💡 Who gave us the stethoscope? (a) René Laennec (b) Johannes Gutenberg (c) Alexander Fleming (d) Alessandro Volta
  4. 4.What did Alessandro Volta give us? (a) the electric battery (b) raised-dot writing (c) the printing press (d) the first aeroplane
  5. 5.True or false: a microscope helps us find directions. (a) True (b) False
  6. 6.What did Wilhelm Röntgen give us? (a) the telephone (b) X-rays (c) the stethoscope (d) the smallpox vaccine
  7. 7.True or false: a telescope helps us measure body temperature. (a) False (b) True
  8. 8.True or false: Louis Braille gave us the first aeroplane. (a) False (b) True
  9. 9.💡 Who gave us the telephone? (a) Alessandro Volta (b) Alexander Graham Bell (c) the Wright brothers (d) Wilhelm Röntgen
  10. 10.🔧 Which invention helps us measure body temperature? (a) microscope (b) thermometer (c) telephone (d) compass
  11. 11.What does a telephone help us do? (a) measure body temperature (b) do sums quickly (c) see tiny germs (d) talk to people far away
  12. 12.What does a calculator help us do? (a) measure body temperature (b) do sums quickly (c) hear the heartbeat (d) see tiny germs
  13. 13.🔧 Which invention helps us tell the time? (a) clock (b) telephone (c) telescope (d) stethoscope
  14. 14.True or false: a clock helps us see tiny germs. (a) True (b) False
  15. 15.True or false: a compass helps us find directions. (a) False (b) True
  16. 16.True or false: a telephone helps us talk to people far away. (a) True (b) False
  17. 17.True or false: Edward Jenner gave us the smallpox vaccine. (a) True (b) False
  18. 18.True or false: a stethoscope helps us hear the heartbeat. (a) False (b) True
  19. 19.True or false: a thermometer helps us measure body temperature. (a) False (b) True
  20. 20.🔧 Which invention helps us find directions? (a) thermometer (b) microscope (c) calculator (d) compass
  21. 21.True or false: Edward Jenner gave us the printing press. (a) False (b) True
  22. 22.What did Louis Braille give us? (a) penicillin (b) raised-dot writing (c) X-rays (d) the stethoscope
  23. 23.True or false: a telescope helps us see faraway stars. (a) False (b) True
  24. 24.True or false: Louis Braille gave us raised-dot writing. (a) True (b) False
  25. 25.True or false: a thermometer helps us do sums quickly. (a) False (b) True
  26. 26.💡 Who gave us penicillin? (a) Alexander Graham Bell (b) Alexander Fleming (c) René Laennec (d) Alessandro Volta
  27. 27.What did René Laennec give us? (a) the stethoscope (b) the telephone (c) the printing press (d) the smallpox vaccine
  28. 28.🔧 Which invention helps us see tiny germs? (a) telescope (b) printing press (c) microscope (d) calculator
  29. 29.What did Edward Jenner give us? (a) the smallpox vaccine (b) the telephone (c) the stethoscope (d) X-rays
  30. 30.True or false: a stethoscope helps us measure body temperature. (a) True (b) False
  31. 31.True or false: Alexander Graham Bell gave us the electric battery. (a) False (b) True
  32. 32.What does a telescope help us do? (a) see tiny germs (b) do sums quickly (c) talk to people far away (d) see faraway stars
  33. 33.What did the Wright brothers give us? (a) the smallpox vaccine (b) the first aeroplane (c) penicillin (d) the printing press
  34. 34.What does a thermometer help us do? (a) measure body temperature (b) do sums quickly (c) hear the heartbeat (d) find directions
  35. 35.True or false: a calculator helps us do sums quickly. (a) False (b) True
  36. 36.💡 Who gave us the printing press? (a) Johannes Gutenberg (b) Edward Jenner (c) Alexander Graham Bell (d) René Laennec
  37. 37.💡 Who gave us the first aeroplane? (a) Edward Jenner (b) Wilhelm Röntgen (c) Alexander Fleming (d) the Wright brothers
  38. 38.True or false: a stethoscope helps us find directions. (a) False (b) True
  39. 39.🔧 Which invention helps us print many books? (a) printing press (b) telephone (c) microscope (d) thermometer
  40. 40.💡 Who gave us the smallpox vaccine? (a) Edward Jenner (b) Alessandro Volta (c) the Wright brothers (d) Alexander Fleming

Answer key

  1. stethoscope
  2. hear the heartbeat
  3. René Laennec
  4. the electric battery
  5. False
  6. X-rays
  7. False
  8. False
  9. Alexander Graham Bell
  10. thermometer
  11. talk to people far away
  12. do sums quickly
  13. clock
  14. False
  15. True
  16. True
  17. True
  18. True
  19. True
  20. compass
  21. False
  22. raised-dot writing
  23. True
  24. True
  25. False
  26. Alexander Fleming
  27. the stethoscope
  28. microscope
  29. the smallpox vaccine
  30. False
  31. False
  32. see faraway stars
  33. the first aeroplane
  34. measure body temperature
  35. True
  36. Johannes Gutenberg
  37. the Wright brothers
  38. False
  39. printing press
  40. Edward Jenner

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