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Class 4 GK Worksheet: Inventions and Inventors

GK lesson 21: Inventions and inventors · Set 351 · 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 raised-dot writing? (a) Alessandro Volta (b) Louis Braille (c) the Wright brothers (d) Alexander Graham Bell
  2. 2.True or false: Alexander Fleming gave us penicillin. (a) True (b) False
  3. 3.🔧 Which invention helps us talk to people far away? (a) compass (b) telephone (c) clock (d) telescope
  4. 4.True or false: a telephone helps us do sums quickly. (a) False (b) True
  5. 5.True or false: Alexander Graham Bell gave us the first aeroplane. (a) False (b) True
  6. 6.🔧 Which invention helps us hear the heartbeat? (a) printing press (b) thermometer (c) telephone (d) stethoscope
  7. 7.💡 Who gave us X-rays? (a) Wilhelm Röntgen (b) Louis Braille (c) the Wright brothers (d) Alexander Graham Bell
  8. 8.True or false: a calculator helps us see tiny germs. (a) False (b) True
  9. 9.🔧 Which invention helps us see faraway stars? (a) thermometer (b) telephone (c) clock (d) telescope
  10. 10.💡 Who gave us the electric battery? (a) René Laennec (b) Louis Braille (c) Alessandro Volta (d) the Wright brothers
  11. 11.True or false: Johannes Gutenberg gave us the printing press. (a) False (b) True
  12. 12.True or false: Alexander Fleming gave us the smallpox vaccine. (a) False (b) True
  13. 13.What does a printing press help us do? (a) do sums quickly (b) print many books (c) hear the heartbeat (d) talk to people far away
  14. 14.What does a telephone help us do? (a) see faraway stars (b) talk to people far away (c) measure body temperature (d) print many books
  15. 15.🔧 Which invention helps us find directions? (a) printing press (b) thermometer (c) telephone (d) compass
  16. 16.True or false: a microscope helps us see tiny germs. (a) False (b) True
  17. 17.True or false: the Wright brothers gave us the first aeroplane. (a) False (b) True
  18. 18.What did Johannes Gutenberg give us? (a) the printing press (b) the first aeroplane (c) penicillin (d) raised-dot writing
  19. 19.What does a compass help us do? (a) hear the heartbeat (b) find directions (c) tell the time (d) measure body temperature
  20. 20.What does a calculator help us do? (a) talk to people far away (b) hear the heartbeat (c) measure body temperature (d) do sums quickly
  21. 21.True or false: Edward Jenner gave us the smallpox vaccine. (a) True (b) False
  22. 22.💡 Who gave us the telephone? (a) Johannes Gutenberg (b) Wilhelm Röntgen (c) René Laennec (d) Alexander Graham Bell
  23. 23.What did Edward Jenner give us? (a) raised-dot writing (b) the telephone (c) the smallpox vaccine (d) the first aeroplane
  24. 24.💡 Who gave us the printing press? (a) Louis Braille (b) René Laennec (c) Alessandro Volta (d) Johannes Gutenberg
  25. 25.True or false: Alessandro Volta gave us the electric battery. (a) False (b) True
  26. 26.What did Alexander Graham Bell give us? (a) the first aeroplane (b) the telephone (c) raised-dot writing (d) the smallpox vaccine
  27. 27.True or false: a thermometer helps us tell the time. (a) True (b) False
  28. 28.What does a clock help us do? (a) tell the time (b) talk to people far away (c) find directions (d) hear the heartbeat
  29. 29.🔧 Which invention helps us print many books? (a) calculator (b) clock (c) printing press (d) telephone
  30. 30.True or false: a telephone helps us talk to people far away. (a) False (b) True
  31. 31.What did Alexander Fleming give us? (a) penicillin (b) the electric battery (c) the stethoscope (d) the first aeroplane
  32. 32.💡 Who gave us the smallpox vaccine? (a) Louis Braille (b) the Wright brothers (c) Edward Jenner (d) Wilhelm Röntgen
  33. 33.What does a thermometer help us do? (a) print many books (b) measure body temperature (c) find directions (d) see tiny germs
  34. 34.True or false: a thermometer helps us measure body temperature. (a) False (b) True
  35. 35.What does a telescope help us do? (a) print many books (b) see tiny germs (c) see faraway stars (d) tell the time
  36. 36.True or false: a thermometer helps us print many books. (a) False (b) True
  37. 37.🔧 Which invention helps us measure body temperature? (a) telephone (b) thermometer (c) calculator (d) stethoscope
  38. 38.True or false: Wilhelm Röntgen gave us X-rays. (a) True (b) False
  39. 39.What does a stethoscope help us do? (a) do sums quickly (b) hear the heartbeat (c) talk to people far away (d) print many books
  40. 40.True or false: a thermometer helps us hear the heartbeat. (a) False (b) True

Answer key

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

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