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Class 4 GK Worksheet: Inventions and Inventors

GK lesson 21: Inventions and inventors · Set 667 · 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.True or false: a clock helps us tell the time. (a) False (b) True
  2. 2.What does a telephone help us do? (a) find directions (b) measure body temperature (c) tell the time (d) talk to people far away
  3. 3.💡 Who gave us X-rays? (a) Louis Braille (b) Edward Jenner (c) Johannes Gutenberg (d) Wilhelm Röntgen
  4. 4.True or false: René Laennec gave us raised-dot writing. (a) False (b) True
  5. 5.True or false: Louis Braille gave us raised-dot writing. (a) False (b) True
  6. 6.True or false: Alexander Graham Bell gave us the telephone. (a) True (b) False
  7. 7.What did René Laennec give us? (a) the electric battery (b) X-rays (c) the stethoscope (d) penicillin
  8. 8.What does a stethoscope help us do? (a) tell the time (b) see tiny germs (c) do sums quickly (d) hear the heartbeat
  9. 9.💡 Who gave us the first aeroplane? (a) the Wright brothers (b) Wilhelm Röntgen (c) Alessandro Volta (d) Johannes Gutenberg
  10. 10.What did the Wright brothers give us? (a) penicillin (b) the first aeroplane (c) the smallpox vaccine (d) the printing press
  11. 11.💡 Who gave us penicillin? (a) Alexander Fleming (b) Wilhelm Röntgen (c) the Wright brothers (d) Johannes Gutenberg
  12. 12.True or false: Wilhelm Röntgen gave us the telephone. (a) False (b) True
  13. 13.🔧 Which invention helps us see tiny germs? (a) stethoscope (b) clock (c) microscope (d) thermometer
  14. 14.What did Johannes Gutenberg give us? (a) the stethoscope (b) the smallpox vaccine (c) the printing press (d) X-rays
  15. 15.True or false: Louis Braille gave us the first aeroplane. (a) False (b) True
  16. 16.🔧 Which invention helps us tell the time? (a) thermometer (b) clock (c) telescope (d) compass
  17. 17.🔧 Which invention helps us talk to people far away? (a) stethoscope (b) telephone (c) thermometer (d) telescope
  18. 18.What did Edward Jenner give us? (a) the first aeroplane (b) X-rays (c) the electric battery (d) the smallpox vaccine
  19. 19.True or false: Louis Braille gave us penicillin. (a) False (b) True
  20. 20.💡 Who gave us raised-dot writing? (a) Wilhelm Röntgen (b) Edward Jenner (c) Johannes Gutenberg (d) Louis Braille
  21. 21.🔧 Which invention helps us see faraway stars? (a) compass (b) telescope (c) clock (d) telephone
  22. 22.🔧 Which invention helps us hear the heartbeat? (a) telescope (b) clock (c) thermometer (d) stethoscope
  23. 23.True or false: a calculator helps us see faraway stars. (a) True (b) False
  24. 24.💡 Who gave us the electric battery? (a) Edward Jenner (b) Louis Braille (c) Alessandro Volta (d) René Laennec
  25. 25.🔧 Which invention helps us measure body temperature? (a) calculator (b) stethoscope (c) telephone (d) thermometer
  26. 26.True or false: a thermometer helps us measure body temperature. (a) False (b) True
  27. 27.True or false: René Laennec gave us the stethoscope. (a) False (b) True
  28. 28.True or false: a thermometer helps us find directions. (a) True (b) False
  29. 29.🔧 Which invention helps us do sums quickly? (a) calculator (b) telephone (c) thermometer (d) telescope
  30. 30.True or false: Alexander Graham Bell gave us penicillin. (a) True (b) False
  31. 31.🔧 Which invention helps us print many books? (a) telephone (b) printing press (c) compass (d) calculator
  32. 32.True or false: a telescope helps us see faraway stars. (a) False (b) True
  33. 33.What did Louis Braille give us? (a) the smallpox vaccine (b) the printing press (c) X-rays (d) raised-dot writing
  34. 34.What does a compass help us do? (a) do sums quickly (b) find directions (c) measure body temperature (d) talk to people far away
  35. 35.True or false: a stethoscope helps us hear the heartbeat. (a) True (b) False
  36. 36.What did Alexander Graham Bell give us? (a) penicillin (b) the telephone (c) the stethoscope (d) the printing press
  37. 37.What does a thermometer help us do? (a) see tiny germs (b) tell the time (c) see faraway stars (d) measure body temperature
  38. 38.What does a printing press help us do? (a) see tiny germs (b) hear the heartbeat (c) print many books (d) find directions
  39. 39.True or false: a stethoscope helps us print many books. (a) True (b) False
  40. 40.True or false: a telescope helps us talk to people far away. (a) False (b) True

Answer key

  1. True
  2. talk to people far away
  3. Wilhelm Röntgen
  4. False
  5. True
  6. True
  7. the stethoscope
  8. hear the heartbeat
  9. the Wright brothers
  10. the first aeroplane
  11. Alexander Fleming
  12. False
  13. microscope
  14. the printing press
  15. False
  16. clock
  17. telephone
  18. the smallpox vaccine
  19. False
  20. Louis Braille
  21. telescope
  22. stethoscope
  23. False
  24. Alessandro Volta
  25. thermometer
  26. True
  27. True
  28. False
  29. calculator
  30. False
  31. printing press
  32. True
  33. raised-dot writing
  34. find directions
  35. True
  36. the telephone
  37. measure body temperature
  38. print many books
  39. False
  40. False

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