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Class 4 GK Worksheet: Inventions and Inventors

GK lesson 21: Inventions and inventors · Set 378 · 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.💡 Who gave us X-rays? (a) Johannes Gutenberg (b) René Laennec (c) Wilhelm Röntgen (d) Alexander Graham Bell
  2. 2.True or false: Alexander Fleming gave us the stethoscope. (a) True (b) False
  3. 3.🔧 Which invention helps us talk to people far away? (a) clock (b) telephone (c) telescope (d) compass
  4. 4.True or false: a telephone helps us print many books. (a) False (b) True
  5. 5.What did Louis Braille give us? (a) the smallpox vaccine (b) the first aeroplane (c) X-rays (d) raised-dot writing
  6. 6.💡 Who gave us the first aeroplane? (a) René Laennec (b) the Wright brothers (c) Edward Jenner (d) Alexander Fleming
  7. 7.True or false: René Laennec gave us the stethoscope. (a) True (b) False
  8. 8.🔧 Which invention helps us print many books? (a) thermometer (b) printing press (c) telephone (d) calculator
  9. 9.True or false: a compass helps us see faraway stars. (a) False (b) True
  10. 10.💡 Who gave us the electric battery? (a) Alexander Graham Bell (b) Alessandro Volta (c) René Laennec (d) Johannes Gutenberg
  11. 11.🔧 Which invention helps us tell the time? (a) printing press (b) telescope (c) microscope (d) clock
  12. 12.True or false: a stethoscope helps us hear the heartbeat. (a) False (b) True
  13. 13.True or false: Wilhelm Röntgen gave us the first aeroplane. (a) True (b) False
  14. 14.True or false: Johannes Gutenberg gave us the printing press. (a) False (b) True
  15. 15.💡 Who gave us the telephone? (a) Alexander Graham Bell (b) the Wright brothers (c) Johannes Gutenberg (d) Wilhelm Röntgen
  16. 16.What does a calculator help us do? (a) hear the heartbeat (b) measure body temperature (c) print many books (d) do sums quickly
  17. 17.True or false: Edward Jenner gave us the stethoscope. (a) True (b) False
  18. 18.True or false: Edward Jenner gave us raised-dot writing. (a) True (b) False
  19. 19.What does a thermometer help us do? (a) see tiny germs (b) measure body temperature (c) do sums quickly (d) tell the time
  20. 20.💡 Who gave us the smallpox vaccine? (a) Alexander Graham Bell (b) Alessandro Volta (c) Johannes Gutenberg (d) Edward Jenner
  21. 21.What does a clock help us do? (a) hear the heartbeat (b) find directions (c) measure body temperature (d) tell the time
  22. 22.What did René Laennec give us? (a) penicillin (b) the telephone (c) the stethoscope (d) raised-dot writing
  23. 23.What does a telephone help us do? (a) do sums quickly (b) talk to people far away (c) tell the time (d) see faraway stars
  24. 24.True or false: René Laennec gave us the first aeroplane. (a) False (b) True
  25. 25.🔧 Which invention helps us see faraway stars? (a) calculator (b) telescope (c) thermometer (d) compass
  26. 26.What did Johannes Gutenberg give us? (a) the smallpox vaccine (b) X-rays (c) raised-dot writing (d) the printing press
  27. 27.🔧 Which invention helps us see tiny germs? (a) telescope (b) thermometer (c) microscope (d) printing press
  28. 28.What did Edward Jenner give us? (a) the telephone (b) the smallpox vaccine (c) raised-dot writing (d) the first aeroplane
  29. 29.True or false: a microscope helps us see tiny germs. (a) False (b) True
  30. 30.True or false: a clock helps us tell the time. (a) False (b) True
  31. 31.💡 Who gave us raised-dot writing? (a) Alexander Graham Bell (b) Edward Jenner (c) Alexander Fleming (d) Louis Braille
  32. 32.True or false: a stethoscope helps us see faraway stars. (a) True (b) False
  33. 33.🔧 Which invention helps us measure body temperature? (a) thermometer (b) stethoscope (c) printing press (d) telephone
  34. 34.💡 Who gave us penicillin? (a) Johannes Gutenberg (b) Edward Jenner (c) Alexander Fleming (d) Alessandro Volta
  35. 35.What does a printing press help us do? (a) measure body temperature (b) see faraway stars (c) talk to people far away (d) print many books
  36. 36.💡 Who gave us the stethoscope? (a) Alexander Fleming (b) Edward Jenner (c) René Laennec (d) Alessandro Volta
  37. 37.True or false: a compass helps us find directions. (a) False (b) True
  38. 38.🔧 Which invention helps us hear the heartbeat? (a) microscope (b) telescope (c) calculator (d) stethoscope
  39. 39.What did Alexander Fleming give us? (a) the smallpox vaccine (b) the stethoscope (c) penicillin (d) the electric battery
  40. 40.True or false: a telephone helps us talk to people far away. (a) True (b) False

Answer key

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

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