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Class 4 GK Worksheet: Inventions and Inventors

GK lesson 21: Inventions and inventors · Set 841 · 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 telephone helps us talk to people far away. (a) True (b) False
  2. 2.What did Wilhelm Röntgen give us? (a) the telephone (b) the printing press (c) the stethoscope (d) X-rays
  3. 3.🔧 Which invention helps us see tiny germs? (a) thermometer (b) microscope (c) telescope (d) compass
  4. 4.True or false: a telescope helps us see faraway stars. (a) False (b) True
  5. 5.🔧 Which invention helps us find directions? (a) compass (b) calculator (c) telescope (d) stethoscope
  6. 6.What does a thermometer help us do? (a) hear the heartbeat (b) do sums quickly (c) print many books (d) measure body temperature
  7. 7.💡 Who gave us the electric battery? (a) Alessandro Volta (b) Edward Jenner (c) Louis Braille (d) Alexander Graham Bell
  8. 8.💡 Who gave us raised-dot writing? (a) the Wright brothers (b) Alexander Fleming (c) Alessandro Volta (d) Louis Braille
  9. 9.🔧 Which invention helps us tell the time? (a) telescope (b) telephone (c) clock (d) microscope
  10. 10.What did the Wright brothers give us? (a) the stethoscope (b) the first aeroplane (c) raised-dot writing (d) X-rays
  11. 11.True or false: Alexander Graham Bell gave us the telephone. (a) False (b) True
  12. 12.🔧 Which invention helps us hear the heartbeat? (a) stethoscope (b) clock (c) calculator (d) printing press
  13. 13.What did Alexander Fleming give us? (a) X-rays (b) the electric battery (c) penicillin (d) the smallpox vaccine
  14. 14.💡 Who gave us X-rays? (a) Alessandro Volta (b) Louis Braille (c) Alexander Graham Bell (d) Wilhelm Röntgen
  15. 15.What did Alexander Graham Bell give us? (a) penicillin (b) the stethoscope (c) the telephone (d) raised-dot writing
  16. 16.What does a compass help us do? (a) hear the heartbeat (b) find directions (c) do sums quickly (d) talk to people far away
  17. 17.What did Louis Braille give us? (a) the printing press (b) the first aeroplane (c) penicillin (d) raised-dot writing
  18. 18.What does a telephone help us do? (a) find directions (b) see faraway stars (c) tell the time (d) talk to people far away
  19. 19.🔧 Which invention helps us talk to people far away? (a) clock (b) compass (c) telephone (d) thermometer
  20. 20.What does a microscope help us do? (a) do sums quickly (b) hear the heartbeat (c) see faraway stars (d) see tiny germs
  21. 21.True or false: a compass helps us find directions. (a) False (b) True
  22. 22.🔧 Which invention helps us do sums quickly? (a) clock (b) thermometer (c) calculator (d) microscope
  23. 23.True or false: a printing press helps us tell the time. (a) False (b) True
  24. 24.🔧 Which invention helps us print many books? (a) telephone (b) microscope (c) stethoscope (d) printing press
  25. 25.True or false: a telephone helps us see tiny germs. (a) True (b) False
  26. 26.💡 Who gave us the telephone? (a) Wilhelm Röntgen (b) Alessandro Volta (c) Alexander Graham Bell (d) René Laennec
  27. 27.💡 Who gave us the printing press? (a) Alexander Fleming (b) Alexander Graham Bell (c) Louis Braille (d) Johannes Gutenberg
  28. 28.💡 Who gave us the smallpox vaccine? (a) Alessandro Volta (b) Alexander Graham Bell (c) Edward Jenner (d) the Wright brothers
  29. 29.True or false: Alexander Graham Bell gave us raised-dot writing. (a) False (b) True
  30. 30.What does a clock help us do? (a) hear the heartbeat (b) find directions (c) tell the time (d) see faraway stars
  31. 31.💡 Who gave us the first aeroplane? (a) Johannes Gutenberg (b) the Wright brothers (c) Wilhelm Röntgen (d) Alexander Fleming
  32. 32.True or false: a thermometer helps us talk to people far away. (a) True (b) False
  33. 33.True or false: a thermometer helps us tell the time. (a) False (b) True
  34. 34.True or false: a stethoscope helps us hear the heartbeat. (a) True (b) False
  35. 35.True or false: a thermometer helps us see faraway stars. (a) True (b) False
  36. 36.What does a telescope help us do? (a) see faraway stars (b) hear the heartbeat (c) see tiny germs (d) measure body temperature
  37. 37.True or false: Louis Braille gave us raised-dot writing. (a) True (b) False
  38. 38.What does a printing press help us do? (a) find directions (b) print many books (c) see faraway stars (d) do sums quickly
  39. 39.True or false: the Wright brothers gave us the printing press. (a) False (b) True
  40. 40.True or false: a clock helps us tell the time. (a) False (b) True

Answer key

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

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