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Class 4 GK Worksheet: Inventions and Inventors

GK lesson 21: Inventions and inventors · Set 903 · 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 see tiny germs? (a) printing press (b) calculator (c) telephone (d) microscope
  2. 2.What did Alessandro Volta give us? (a) the electric battery (b) the first aeroplane (c) the printing press (d) raised-dot writing
  3. 3.True or false: Alessandro Volta gave us the printing press. (a) True (b) False
  4. 4.What did René Laennec give us? (a) penicillin (b) the printing press (c) the electric battery (d) the stethoscope
  5. 5.💡 Who gave us penicillin? (a) Johannes Gutenberg (b) Edward Jenner (c) Wilhelm Röntgen (d) Alexander Fleming
  6. 6.🔧 Which invention helps us do sums quickly? (a) printing press (b) telephone (c) calculator (d) compass
  7. 7.💡 Who gave us the telephone? (a) Johannes Gutenberg (b) Alexander Graham Bell (c) Alessandro Volta (d) Wilhelm Röntgen
  8. 8.What does a compass help us do? (a) hear the heartbeat (b) do sums quickly (c) measure body temperature (d) find directions
  9. 9.True or false: Edward Jenner gave us the telephone. (a) True (b) False
  10. 10.💡 Who gave us X-rays? (a) the Wright brothers (b) Alexander Graham Bell (c) Wilhelm Röntgen (d) Louis Braille
  11. 11.True or false: Alexander Fleming gave us penicillin. (a) False (b) True
  12. 12.💡 Who gave us raised-dot writing? (a) Alexander Graham Bell (b) Louis Braille (c) Edward Jenner (d) Alexander Fleming
  13. 13.What did Alexander Fleming give us? (a) the telephone (b) penicillin (c) the electric battery (d) the printing press
  14. 14.True or false: Louis Braille gave us penicillin. (a) False (b) True
  15. 15.True or false: a thermometer helps us see faraway stars. (a) False (b) True
  16. 16.What does a calculator help us do? (a) do sums quickly (b) measure body temperature (c) see tiny germs (d) talk to people far away
  17. 17.What did Wilhelm Röntgen give us? (a) the stethoscope (b) the first aeroplane (c) the smallpox vaccine (d) X-rays
  18. 18.True or false: Wilhelm Röntgen gave us the smallpox vaccine. (a) True (b) False
  19. 19.True or false: a printing press helps us hear the heartbeat. (a) True (b) False
  20. 20.True or false: Alexander Graham Bell gave us the smallpox vaccine. (a) True (b) False
  21. 21.What does a thermometer help us do? (a) talk to people far away (b) print many books (c) see tiny germs (d) measure body temperature
  22. 22.💡 Who gave us the stethoscope? (a) Johannes Gutenberg (b) the Wright brothers (c) René Laennec (d) Edward Jenner
  23. 23.True or false: a telephone helps us talk to people far away. (a) False (b) True
  24. 24.True or false: Louis Braille gave us the telephone. (a) False (b) True
  25. 25.What did Johannes Gutenberg give us? (a) penicillin (b) the telephone (c) the stethoscope (d) the printing press
  26. 26.True or false: Alexander Graham Bell gave us X-rays. (a) True (b) False
  27. 27.What did the Wright brothers give us? (a) the smallpox vaccine (b) the stethoscope (c) the first aeroplane (d) the printing press
  28. 28.🔧 Which invention helps us see faraway stars? (a) stethoscope (b) microscope (c) telescope (d) thermometer
  29. 29.True or false: a telephone helps us find directions. (a) True (b) False
  30. 30.True or false: René Laennec gave us the printing press. (a) True (b) False
  31. 31.True or false: Edward Jenner gave us the smallpox vaccine. (a) True (b) False
  32. 32.True or false: a printing press helps us print many books. (a) False (b) True
  33. 33.True or false: a thermometer helps us talk to people far away. (a) False (b) True
  34. 34.True or false: René Laennec gave us the stethoscope. (a) False (b) True
  35. 35.True or false: a stethoscope helps us see faraway stars. (a) True (b) False
  36. 36.💡 Who gave us the electric battery? (a) Alexander Fleming (b) the Wright brothers (c) Alessandro Volta (d) Louis Braille
  37. 37.🔧 Which invention helps us talk to people far away? (a) thermometer (b) calculator (c) telescope (d) telephone
  38. 38.What does a telescope help us do? (a) print many books (b) hear the heartbeat (c) measure body temperature (d) see faraway stars
  39. 39.True or false: a stethoscope helps us talk to people far away. (a) False (b) True
  40. 40.🔧 Which invention helps us measure body temperature? (a) calculator (b) compass (c) microscope (d) thermometer

Answer key

  1. microscope
  2. the electric battery
  3. False
  4. the stethoscope
  5. Alexander Fleming
  6. calculator
  7. Alexander Graham Bell
  8. find directions
  9. False
  10. Wilhelm Röntgen
  11. True
  12. Louis Braille
  13. penicillin
  14. False
  15. False
  16. do sums quickly
  17. X-rays
  18. False
  19. False
  20. False
  21. measure body temperature
  22. René Laennec
  23. True
  24. False
  25. the printing press
  26. False
  27. the first aeroplane
  28. telescope
  29. False
  30. False
  31. True
  32. True
  33. False
  34. True
  35. False
  36. Alessandro Volta
  37. telephone
  38. see faraway stars
  39. False
  40. thermometer

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