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Class 4 GK Worksheet: Inventions and Inventors

GK lesson 21: Inventions and inventors · Set 374 · 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 do sums quickly? (a) printing press (b) calculator (c) stethoscope (d) thermometer
  2. 2.💡 Who gave us the first aeroplane? (a) Johannes Gutenberg (b) the Wright brothers (c) Edward Jenner (d) Alexander Graham Bell
  3. 3.What did René Laennec give us? (a) the telephone (b) the stethoscope (c) the electric battery (d) penicillin
  4. 4.True or false: Alexander Fleming gave us penicillin. (a) True (b) False
  5. 5.What did the Wright brothers give us? (a) the electric battery (b) the printing press (c) X-rays (d) the first aeroplane
  6. 6.True or false: Louis Braille gave us the printing press. (a) True (b) False
  7. 7.True or false: a compass helps us see faraway stars. (a) True (b) False
  8. 8.True or false: Alessandro Volta gave us the electric battery. (a) True (b) False
  9. 9.What does a telephone help us do? (a) see faraway stars (b) talk to people far away (c) see tiny germs (d) measure body temperature
  10. 10.True or false: a compass helps us measure body temperature. (a) True (b) False
  11. 11.What does a calculator help us do? (a) find directions (b) tell the time (c) see tiny germs (d) do sums quickly
  12. 12.🔧 Which invention helps us hear the heartbeat? (a) stethoscope (b) calculator (c) printing press (d) telephone
  13. 13.🔧 Which invention helps us print many books? (a) thermometer (b) printing press (c) microscope (d) stethoscope
  14. 14.What did Wilhelm Röntgen give us? (a) raised-dot writing (b) the electric battery (c) the first aeroplane (d) X-rays
  15. 15.True or false: a microscope helps us see tiny germs. (a) True (b) False
  16. 16.True or false: a stethoscope helps us print many books. (a) True (b) False
  17. 17.💡 Who gave us the stethoscope? (a) Edward Jenner (b) René Laennec (c) Johannes Gutenberg (d) Alexander Graham Bell
  18. 18.True or false: Edward Jenner gave us the smallpox vaccine. (a) False (b) True
  19. 19.💡 Who gave us the smallpox vaccine? (a) Johannes Gutenberg (b) the Wright brothers (c) René Laennec (d) Edward Jenner
  20. 20.What does a thermometer help us do? (a) do sums quickly (b) find directions (c) measure body temperature (d) see tiny germs
  21. 21.🔧 Which invention helps us measure body temperature? (a) microscope (b) compass (c) calculator (d) thermometer
  22. 22.What does a clock help us do? (a) talk to people far away (b) do sums quickly (c) hear the heartbeat (d) tell the time
  23. 23.💡 Who gave us raised-dot writing? (a) Louis Braille (b) Wilhelm Röntgen (c) Edward Jenner (d) Alexander Graham Bell
  24. 24.True or false: a compass helps us find directions. (a) False (b) True
  25. 25.What does a stethoscope help us do? (a) hear the heartbeat (b) tell the time (c) talk to people far away (d) find directions
  26. 26.💡 Who gave us the electric battery? (a) Alessandro Volta (b) Alexander Fleming (c) Johannes Gutenberg (d) Edward Jenner
  27. 27.True or false: a stethoscope helps us tell the time. (a) True (b) False
  28. 28.True or false: Alexander Graham Bell gave us the telephone. (a) False (b) True
  29. 29.🔧 Which invention helps us find directions? (a) stethoscope (b) telephone (c) compass (d) microscope
  30. 30.True or false: a printing press helps us print many books. (a) False (b) True
  31. 31.💡 Who gave us penicillin? (a) Edward Jenner (b) Wilhelm Röntgen (c) Alexander Fleming (d) Alexander Graham Bell
  32. 32.True or false: a stethoscope helps us find directions. (a) True (b) False
  33. 33.What did Alexander Fleming give us? (a) the electric battery (b) penicillin (c) the first aeroplane (d) the telephone
  34. 34.What does a printing press help us do? (a) do sums quickly (b) tell the time (c) print many books (d) hear the heartbeat
  35. 35.True or false: Alexander Fleming gave us raised-dot writing. (a) False (b) True
  36. 36.What does a telescope help us do? (a) print many books (b) hear the heartbeat (c) measure body temperature (d) see faraway stars
  37. 37.True or false: Alexander Graham Bell gave us the printing press. (a) False (b) True
  38. 38.True or false: Alexander Graham Bell gave us the stethoscope. (a) True (b) False
  39. 39.True or false: a thermometer helps us talk to people far away. (a) False (b) True
  40. 40.True or false: a clock helps us measure body temperature. (a) True (b) False

Answer key

  1. calculator
  2. the Wright brothers
  3. the stethoscope
  4. True
  5. the first aeroplane
  6. False
  7. False
  8. True
  9. talk to people far away
  10. False
  11. do sums quickly
  12. stethoscope
  13. printing press
  14. X-rays
  15. True
  16. False
  17. René Laennec
  18. True
  19. Edward Jenner
  20. measure body temperature
  21. thermometer
  22. tell the time
  23. Louis Braille
  24. True
  25. hear the heartbeat
  26. Alessandro Volta
  27. False
  28. True
  29. compass
  30. True
  31. Alexander Fleming
  32. False
  33. penicillin
  34. print many books
  35. False
  36. see faraway stars
  37. False
  38. False
  39. False
  40. False

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