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Class 4 GK Worksheet: Inventions and Inventors

GK lesson 21: Inventions and inventors · Set 119 · 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) microscope (b) printing press (c) clock (d) calculator
  2. 2.True or false: a telescope helps us print many books. (a) True (b) False
  3. 3.What does a calculator help us do? (a) print many books (b) see faraway stars (c) do sums quickly (d) measure body temperature
  4. 4.What does a telescope help us do? (a) hear the heartbeat (b) print many books (c) talk to people far away (d) see faraway stars
  5. 5.🔧 Which invention helps us print many books? (a) compass (b) printing press (c) telescope (d) thermometer
  6. 6.What does a microscope help us do? (a) do sums quickly (b) see tiny germs (c) tell the time (d) print many books
  7. 7.🔧 Which invention helps us talk to people far away? (a) stethoscope (b) telephone (c) microscope (d) compass
  8. 8.What does a compass help us do? (a) see faraway stars (b) print many books (c) measure body temperature (d) find directions
  9. 9.True or false: a telephone helps us talk to people far away. (a) False (b) True
  10. 10.💡 Who gave us the first aeroplane? (a) Louis Braille (b) René Laennec (c) Wilhelm Röntgen (d) the Wright brothers
  11. 11.True or false: René Laennec gave us the printing press. (a) False (b) True
  12. 12.🔧 Which invention helps us hear the heartbeat? (a) compass (b) stethoscope (c) clock (d) telescope
  13. 13.🔧 Which invention helps us do sums quickly? (a) stethoscope (b) telephone (c) calculator (d) microscope
  14. 14.🔧 Which invention helps us find directions? (a) microscope (b) telescope (c) compass (d) thermometer
  15. 15.💡 Who gave us the printing press? (a) Edward Jenner (b) Johannes Gutenberg (c) Louis Braille (d) René Laennec
  16. 16.💡 Who gave us the telephone? (a) Edward Jenner (b) René Laennec (c) Johannes Gutenberg (d) Alexander Graham Bell
  17. 17.True or false: a clock helps us see tiny germs. (a) False (b) True
  18. 18.True or false: a calculator helps us do sums quickly. (a) False (b) True
  19. 19.True or false: the Wright brothers gave us raised-dot writing. (a) False (b) True
  20. 20.🔧 Which invention helps us measure body temperature? (a) calculator (b) microscope (c) clock (d) thermometer
  21. 21.True or false: the Wright brothers gave us the telephone. (a) True (b) False
  22. 22.What did René Laennec give us? (a) the telephone (b) raised-dot writing (c) X-rays (d) the stethoscope
  23. 23.What does a thermometer help us do? (a) find directions (b) do sums quickly (c) measure body temperature (d) see faraway stars
  24. 24.💡 Who gave us the smallpox vaccine? (a) the Wright brothers (b) Alexander Graham Bell (c) Louis Braille (d) Edward Jenner
  25. 25.What does a printing press help us do? (a) see tiny germs (b) print many books (c) find directions (d) see faraway stars
  26. 26.True or false: Alexander Graham Bell gave us the telephone. (a) False (b) True
  27. 27.True or false: the Wright brothers gave us the first aeroplane. (a) False (b) True
  28. 28.True or false: a microscope helps us see tiny germs. (a) False (b) True
  29. 29.What did Louis Braille give us? (a) the telephone (b) the stethoscope (c) raised-dot writing (d) X-rays
  30. 30.💡 Who gave us the stethoscope? (a) René Laennec (b) Wilhelm Röntgen (c) Louis Braille (d) the Wright brothers
  31. 31.What did Alessandro Volta give us? (a) the electric battery (b) X-rays (c) raised-dot writing (d) the telephone
  32. 32.💡 Who gave us X-rays? (a) the Wright brothers (b) Wilhelm Röntgen (c) Johannes Gutenberg (d) Alexander Fleming
  33. 33.What did the Wright brothers give us? (a) penicillin (b) the printing press (c) the first aeroplane (d) raised-dot writing
  34. 34.True or false: Edward Jenner gave us the smallpox vaccine. (a) True (b) False
  35. 35.True or false: Alexander Graham Bell gave us the smallpox vaccine. (a) True (b) False
  36. 36.What does a stethoscope help us do? (a) hear the heartbeat (b) talk to people far away (c) print many books (d) see tiny germs
  37. 37.True or false: Edward Jenner gave us X-rays. (a) True (b) False
  38. 38.What did Edward Jenner give us? (a) the stethoscope (b) X-rays (c) the telephone (d) the smallpox vaccine
  39. 39.True or false: René Laennec gave us X-rays. (a) True (b) False
  40. 40.💡 Who gave us raised-dot writing? (a) René Laennec (b) Edward Jenner (c) Louis Braille (d) Alexander Fleming

Answer key

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

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