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Class 4 GK Worksheet: Inventions and Inventors

GK lesson 21: Inventions and inventors · Set 513 · 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 the smallpox vaccine? (a) Alexander Fleming (b) Johannes Gutenberg (c) Edward Jenner (d) Alexander Graham Bell
  2. 2.True or false: a clock helps us hear the heartbeat. (a) True (b) False
  3. 3.What did the Wright brothers give us? (a) raised-dot writing (b) the electric battery (c) the first aeroplane (d) the smallpox vaccine
  4. 4.💡 Who gave us the first aeroplane? (a) Johannes Gutenberg (b) the Wright brothers (c) Edward Jenner (d) Alexander Fleming
  5. 5.True or false: Edward Jenner gave us the first aeroplane. (a) True (b) False
  6. 6.🔧 Which invention helps us do sums quickly? (a) printing press (b) telescope (c) calculator (d) thermometer
  7. 7.True or false: a compass helps us find directions. (a) False (b) True
  8. 8.What did Edward Jenner give us? (a) raised-dot writing (b) the stethoscope (c) the first aeroplane (d) the smallpox vaccine
  9. 9.🔧 Which invention helps us hear the heartbeat? (a) telescope (b) telephone (c) calculator (d) stethoscope
  10. 10.True or false: Johannes Gutenberg gave us the printing press. (a) True (b) False
  11. 11.What does a thermometer help us do? (a) see faraway stars (b) do sums quickly (c) talk to people far away (d) measure body temperature
  12. 12.True or false: a thermometer helps us hear the heartbeat. (a) False (b) True
  13. 13.🔧 Which invention helps us tell the time? (a) microscope (b) thermometer (c) clock (d) printing press
  14. 14.True or false: a compass helps us talk to people far away. (a) True (b) False
  15. 15.💡 Who gave us the stethoscope? (a) René Laennec (b) the Wright brothers (c) Louis Braille (d) Wilhelm Röntgen
  16. 16.🔧 Which invention helps us see tiny germs? (a) stethoscope (b) clock (c) microscope (d) calculator
  17. 17.What did Louis Braille give us? (a) raised-dot writing (b) the stethoscope (c) the electric battery (d) the smallpox vaccine
  18. 18.True or false: a compass helps us print many books. (a) True (b) False
  19. 19.True or false: a telescope helps us see faraway stars. (a) False (b) True
  20. 20.What did Alexander Graham Bell give us? (a) the stethoscope (b) the telephone (c) raised-dot writing (d) X-rays
  21. 21.💡 Who gave us penicillin? (a) Alessandro Volta (b) Louis Braille (c) Alexander Fleming (d) René Laennec
  22. 22.True or false: Alessandro Volta gave us X-rays. (a) False (b) True
  23. 23.What does a calculator help us do? (a) hear the heartbeat (b) see tiny germs (c) do sums quickly (d) measure body temperature
  24. 24.True or false: Louis Braille gave us penicillin. (a) True (b) False
  25. 25.True or false: René Laennec gave us penicillin. (a) False (b) True
  26. 26.💡 Who gave us X-rays? (a) the Wright brothers (b) Wilhelm Röntgen (c) Edward Jenner (d) Louis Braille
  27. 27.True or false: Wilhelm Röntgen gave us X-rays. (a) False (b) True
  28. 28.💡 Who gave us raised-dot writing? (a) Louis Braille (b) Alexander Graham Bell (c) Johannes Gutenberg (d) Edward Jenner
  29. 29.🔧 Which invention helps us measure body temperature? (a) thermometer (b) telephone (c) printing press (d) stethoscope
  30. 30.💡 Who gave us the telephone? (a) Alessandro Volta (b) Wilhelm Röntgen (c) the Wright brothers (d) Alexander Graham Bell
  31. 31.What does a microscope help us do? (a) find directions (b) see faraway stars (c) do sums quickly (d) see tiny germs
  32. 32.🔧 Which invention helps us find directions? (a) telephone (b) stethoscope (c) thermometer (d) compass
  33. 33.💡 Who gave us the electric battery? (a) Louis Braille (b) the Wright brothers (c) Alessandro Volta (d) Wilhelm Röntgen
  34. 34.What did Alexander Fleming give us? (a) the stethoscope (b) penicillin (c) the telephone (d) the smallpox vaccine
  35. 35.True or false: Alexander Graham Bell gave us the telephone. (a) False (b) True
  36. 36.True or false: a telescope helps us hear the heartbeat. (a) False (b) True
  37. 37.True or false: Louis Braille gave us the printing press. (a) True (b) False
  38. 38.True or false: René Laennec gave us the stethoscope. (a) True (b) False
  39. 39.What does a stethoscope help us do? (a) talk to people far away (b) measure body temperature (c) see tiny germs (d) hear the heartbeat
  40. 40.💡 Who gave us the printing press? (a) Alexander Fleming (b) Johannes Gutenberg (c) Wilhelm Röntgen (d) Alexander Graham Bell

Answer key

  1. Edward Jenner
  2. False
  3. the first aeroplane
  4. the Wright brothers
  5. False
  6. calculator
  7. True
  8. the smallpox vaccine
  9. stethoscope
  10. True
  11. measure body temperature
  12. False
  13. clock
  14. False
  15. René Laennec
  16. microscope
  17. raised-dot writing
  18. False
  19. True
  20. the telephone
  21. Alexander Fleming
  22. False
  23. do sums quickly
  24. False
  25. False
  26. Wilhelm Röntgen
  27. True
  28. Louis Braille
  29. thermometer
  30. Alexander Graham Bell
  31. see tiny germs
  32. compass
  33. Alessandro Volta
  34. penicillin
  35. True
  36. False
  37. False
  38. True
  39. hear the heartbeat
  40. Johannes Gutenberg

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