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Class 4 GK Worksheet: Inventions and Inventors

GK lesson 21: Inventions and inventors · Set 426 · 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 talk to people far away? (a) clock (b) telescope (c) telephone (d) thermometer
  2. 2.True or false: Alexander Graham Bell gave us penicillin. (a) True (b) False
  3. 3.True or false: a clock helps us measure body temperature. (a) True (b) False
  4. 4.True or false: a stethoscope helps us find directions. (a) True (b) False
  5. 5.💡 Who gave us raised-dot writing? (a) René Laennec (b) Louis Braille (c) Edward Jenner (d) the Wright brothers
  6. 6.True or false: Wilhelm Röntgen gave us the smallpox vaccine. (a) False (b) True
  7. 7.True or false: René Laennec gave us the stethoscope. (a) True (b) False
  8. 8.True or false: Alexander Fleming gave us penicillin. (a) True (b) False
  9. 9.What does a printing press help us do? (a) do sums quickly (b) hear the heartbeat (c) measure body temperature (d) print many books
  10. 10.True or false: a stethoscope helps us hear the heartbeat. (a) True (b) False
  11. 11.🔧 Which invention helps us tell the time? (a) stethoscope (b) telephone (c) clock (d) printing press
  12. 12.What did Alexander Fleming give us? (a) the stethoscope (b) the electric battery (c) the first aeroplane (d) penicillin
  13. 13.True or false: a printing press helps us see tiny germs. (a) True (b) False
  14. 14.True or false: the Wright brothers gave us the first aeroplane. (a) False (b) True
  15. 15.True or false: Louis Braille gave us raised-dot writing. (a) False (b) True
  16. 16.🔧 Which invention helps us find directions? (a) microscope (b) compass (c) calculator (d) telephone
  17. 17.True or false: a microscope helps us see tiny germs. (a) False (b) True
  18. 18.What does a thermometer help us do? (a) measure body temperature (b) do sums quickly (c) hear the heartbeat (d) find directions
  19. 19.True or false: Edward Jenner gave us the smallpox vaccine. (a) True (b) False
  20. 20.What did Johannes Gutenberg give us? (a) the stethoscope (b) the electric battery (c) the printing press (d) the telephone
  21. 21.True or false: Alessandro Volta gave us the electric battery. (a) False (b) True
  22. 22.True or false: a stethoscope helps us do sums quickly. (a) True (b) False
  23. 23.True or false: a telescope helps us see faraway stars. (a) False (b) True
  24. 24.True or false: a compass helps us find directions. (a) False (b) True
  25. 25.🔧 Which invention helps us print many books? (a) compass (b) thermometer (c) telephone (d) printing press
  26. 26.What did Edward Jenner give us? (a) the first aeroplane (b) the electric battery (c) the stethoscope (d) the smallpox vaccine
  27. 27.💡 Who gave us the smallpox vaccine? (a) Edward Jenner (b) René Laennec (c) Louis Braille (d) Alexander Graham Bell
  28. 28.True or false: a telescope helps us talk to people far away. (a) False (b) True
  29. 29.🔧 Which invention helps us see tiny germs? (a) clock (b) stethoscope (c) compass (d) microscope
  30. 30.What does a clock help us do? (a) tell the time (b) talk to people far away (c) measure body temperature (d) hear the heartbeat
  31. 31.True or false: a telescope helps us do sums quickly. (a) False (b) True
  32. 32.🔧 Which invention helps us see faraway stars? (a) thermometer (b) telescope (c) microscope (d) printing press
  33. 33.True or false: a printing press helps us print many books. (a) False (b) True
  34. 34.True or false: a calculator helps us talk to people far away. (a) False (b) True
  35. 35.What does a calculator help us do? (a) print many books (b) find directions (c) do sums quickly (d) hear the heartbeat
  36. 36.What did Louis Braille give us? (a) the telephone (b) the electric battery (c) raised-dot writing (d) the first aeroplane
  37. 37.True or false: Wilhelm Röntgen gave us raised-dot writing. (a) True (b) False
  38. 38.🔧 Which invention helps us measure body temperature? (a) telephone (b) thermometer (c) compass (d) printing press
  39. 39.True or false: a telephone helps us see faraway stars. (a) True (b) False
  40. 40.What did Alexander Graham Bell give us? (a) the electric battery (b) raised-dot writing (c) the telephone (d) the printing press

Answer key

  1. telephone
  2. False
  3. False
  4. False
  5. Louis Braille
  6. False
  7. True
  8. True
  9. print many books
  10. True
  11. clock
  12. penicillin
  13. False
  14. True
  15. True
  16. compass
  17. True
  18. measure body temperature
  19. True
  20. the printing press
  21. True
  22. False
  23. True
  24. True
  25. printing press
  26. the smallpox vaccine
  27. Edward Jenner
  28. False
  29. microscope
  30. tell the time
  31. False
  32. telescope
  33. True
  34. False
  35. do sums quickly
  36. raised-dot writing
  37. False
  38. thermometer
  39. False
  40. the telephone

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