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Class 4 GK Worksheet: Inventions and Inventors

GK lesson 21: Inventions and inventors · Set 473 · 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: Alexander Fleming gave us penicillin. (a) False (b) True
  2. 2.💡 Who gave us the stethoscope? (a) Louis Braille (b) the Wright brothers (c) Alexander Fleming (d) René Laennec
  3. 3.True or false: the Wright brothers gave us the first aeroplane. (a) False (b) True
  4. 4.What does a printing press help us do? (a) talk to people far away (b) print many books (c) measure body temperature (d) see tiny germs
  5. 5.True or false: a microscope helps us see tiny germs. (a) False (b) True
  6. 6.💡 Who gave us X-rays? (a) Louis Braille (b) Wilhelm Röntgen (c) René Laennec (d) Alexander Fleming
  7. 7.What did Alexander Fleming give us? (a) the first aeroplane (b) the electric battery (c) penicillin (d) raised-dot writing
  8. 8.🔧 Which invention helps us find directions? (a) clock (b) telescope (c) compass (d) stethoscope
  9. 9.🔧 Which invention helps us see tiny germs? (a) stethoscope (b) telephone (c) microscope (d) telescope
  10. 10.What did Alexander Graham Bell give us? (a) the smallpox vaccine (b) the electric battery (c) the stethoscope (d) the telephone
  11. 11.💡 Who gave us the first aeroplane? (a) Wilhelm Röntgen (b) the Wright brothers (c) Alexander Graham Bell (d) Edward Jenner
  12. 12.🔧 Which invention helps us print many books? (a) telescope (b) microscope (c) telephone (d) printing press
  13. 13.True or false: Alexander Fleming gave us raised-dot writing. (a) False (b) True
  14. 14.What did Alessandro Volta give us? (a) the electric battery (b) the first aeroplane (c) the printing press (d) raised-dot writing
  15. 15.True or false: Alexander Graham Bell gave us the electric battery. (a) False (b) True
  16. 16.What did Wilhelm Röntgen give us? (a) the smallpox vaccine (b) the stethoscope (c) X-rays (d) the electric battery
  17. 17.What did the Wright brothers give us? (a) the first aeroplane (b) X-rays (c) the stethoscope (d) the smallpox vaccine
  18. 18.What does a thermometer help us do? (a) see faraway stars (b) print many books (c) measure body temperature (d) tell the time
  19. 19.🔧 Which invention helps us tell the time? (a) microscope (b) thermometer (c) clock (d) compass
  20. 20.What did René Laennec give us? (a) raised-dot writing (b) the stethoscope (c) the printing press (d) the electric battery
  21. 21.True or false: a telephone helps us talk to people far away. (a) False (b) True
  22. 22.What does a compass help us do? (a) print many books (b) hear the heartbeat (c) find directions (d) talk to people far away
  23. 23.💡 Who gave us penicillin? (a) René Laennec (b) Alexander Fleming (c) Louis Braille (d) Edward Jenner
  24. 24.True or false: Alessandro Volta gave us X-rays. (a) True (b) False
  25. 25.True or false: a printing press helps us print many books. (a) False (b) True
  26. 26.What did Louis Braille give us? (a) the stethoscope (b) X-rays (c) raised-dot writing (d) penicillin
  27. 27.💡 Who gave us the telephone? (a) Alexander Graham Bell (b) Edward Jenner (c) Wilhelm Röntgen (d) René Laennec
  28. 28.What did Edward Jenner give us? (a) the smallpox vaccine (b) the first aeroplane (c) the printing press (d) the stethoscope
  29. 29.💡 Who gave us the electric battery? (a) Alexander Graham Bell (b) Johannes Gutenberg (c) Wilhelm Röntgen (d) Alessandro Volta
  30. 30.What did Johannes Gutenberg give us? (a) the first aeroplane (b) the smallpox vaccine (c) raised-dot writing (d) the printing press
  31. 31.🔧 Which invention helps us do sums quickly? (a) clock (b) telescope (c) telephone (d) calculator
  32. 32.🔧 Which invention helps us see faraway stars? (a) printing press (b) stethoscope (c) telescope (d) thermometer
  33. 33.True or false: Alessandro Volta gave us the electric battery. (a) False (b) True
  34. 34.💡 Who gave us the printing press? (a) René Laennec (b) Johannes Gutenberg (c) Louis Braille (d) Alexander Fleming
  35. 35.True or false: a printing press helps us see faraway stars. (a) False (b) True
  36. 36.True or false: Alexander Fleming gave us X-rays. (a) True (b) False
  37. 37.True or false: a clock helps us tell the time. (a) True (b) False
  38. 38.What does a telescope help us do? (a) hear the heartbeat (b) talk to people far away (c) see tiny germs (d) see faraway stars
  39. 39.💡 Who gave us raised-dot writing? (a) Alexander Fleming (b) Wilhelm Röntgen (c) René Laennec (d) Louis Braille
  40. 40.💡 Who gave us the smallpox vaccine? (a) Wilhelm Röntgen (b) the Wright brothers (c) René Laennec (d) Edward Jenner

Answer key

  1. True
  2. René Laennec
  3. True
  4. print many books
  5. True
  6. Wilhelm Röntgen
  7. penicillin
  8. compass
  9. microscope
  10. the telephone
  11. the Wright brothers
  12. printing press
  13. False
  14. the electric battery
  15. False
  16. X-rays
  17. the first aeroplane
  18. measure body temperature
  19. clock
  20. the stethoscope
  21. True
  22. find directions
  23. Alexander Fleming
  24. False
  25. True
  26. raised-dot writing
  27. Alexander Graham Bell
  28. the smallpox vaccine
  29. Alessandro Volta
  30. the printing press
  31. calculator
  32. telescope
  33. True
  34. Johannes Gutenberg
  35. False
  36. False
  37. True
  38. see faraway stars
  39. Louis Braille
  40. Edward Jenner

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