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Class 4 GK Worksheet: Inventions and Inventors

GK lesson 21: Inventions and inventors · Set 851 · 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 raised-dot writing? (a) René Laennec (b) Wilhelm Röntgen (c) Louis Braille (d) the Wright brothers
  2. 2.What does a compass help us do? (a) print many books (b) find directions (c) hear the heartbeat (d) see tiny germs
  3. 3.What does a microscope help us do? (a) see faraway stars (b) measure body temperature (c) talk to people far away (d) see tiny germs
  4. 4.True or false: Wilhelm Röntgen gave us X-rays. (a) True (b) False
  5. 5.True or false: a microscope helps us talk to people far away. (a) False (b) True
  6. 6.What did Louis Braille give us? (a) the printing press (b) raised-dot writing (c) the smallpox vaccine (d) X-rays
  7. 7.True or false: a calculator helps us print many books. (a) False (b) True
  8. 8.🔧 Which invention helps us talk to people far away? (a) stethoscope (b) calculator (c) telephone (d) compass
  9. 9.What does a thermometer help us do? (a) measure body temperature (b) find directions (c) tell the time (d) talk to people far away
  10. 10.💡 Who gave us the electric battery? (a) Alexander Fleming (b) Johannes Gutenberg (c) Alessandro Volta (d) Alexander Graham Bell
  11. 11.True or false: a microscope helps us see tiny germs. (a) True (b) False
  12. 12.💡 Who gave us X-rays? (a) Johannes Gutenberg (b) Alexander Graham Bell (c) the Wright brothers (d) Wilhelm Röntgen
  13. 13.True or false: Alexander Graham Bell gave us raised-dot writing. (a) True (b) False
  14. 14.What does a printing press help us do? (a) see tiny germs (b) tell the time (c) measure body temperature (d) print many books
  15. 15.True or false: Alessandro Volta gave us the telephone. (a) True (b) False
  16. 16.True or false: Louis Braille gave us X-rays. (a) False (b) True
  17. 17.True or false: Johannes Gutenberg gave us the printing press. (a) True (b) False
  18. 18.💡 Who gave us the first aeroplane? (a) Alexander Graham Bell (b) Alessandro Volta (c) the Wright brothers (d) Johannes Gutenberg
  19. 19.True or false: a stethoscope helps us print many books. (a) False (b) True
  20. 20.What did the Wright brothers give us? (a) the telephone (b) the first aeroplane (c) X-rays (d) the printing press
  21. 21.True or false: a compass helps us find directions. (a) False (b) True
  22. 22.What did Johannes Gutenberg give us? (a) raised-dot writing (b) the printing press (c) the first aeroplane (d) penicillin
  23. 23.🔧 Which invention helps us measure body temperature? (a) thermometer (b) telephone (c) stethoscope (d) telescope
  24. 24.True or false: Alexander Fleming gave us the first aeroplane. (a) True (b) False
  25. 25.💡 Who gave us the printing press? (a) Alexander Graham Bell (b) Edward Jenner (c) the Wright brothers (d) Johannes Gutenberg
  26. 26.True or false: Edward Jenner gave us the smallpox vaccine. (a) False (b) True
  27. 27.True or false: a printing press helps us print many books. (a) True (b) False
  28. 28.What did Wilhelm Röntgen give us? (a) raised-dot writing (b) the telephone (c) the electric battery (d) X-rays
  29. 29.True or false: a clock helps us tell the time. (a) False (b) True
  30. 30.True or false: a compass helps us talk to people far away. (a) True (b) False
  31. 31.True or false: a thermometer helps us see faraway stars. (a) False (b) True
  32. 32.💡 Who gave us the stethoscope? (a) Alessandro Volta (b) Wilhelm Röntgen (c) Johannes Gutenberg (d) René Laennec
  33. 33.True or false: a telephone helps us find directions. (a) True (b) False
  34. 34.What did Edward Jenner give us? (a) the smallpox vaccine (b) X-rays (c) the stethoscope (d) the electric battery
  35. 35.💡 Who gave us the telephone? (a) René Laennec (b) Alessandro Volta (c) Wilhelm Röntgen (d) Alexander Graham Bell
  36. 36.True or false: René Laennec gave us the telephone. (a) True (b) False
  37. 37.What does a calculator help us do? (a) hear the heartbeat (b) see faraway stars (c) do sums quickly (d) tell the time
  38. 38.What does a stethoscope help us do? (a) hear the heartbeat (b) do sums quickly (c) print many books (d) measure body temperature
  39. 39.True or false: a microscope helps us find directions. (a) True (b) False
  40. 40.True or false: Alessandro Volta gave us the stethoscope. (a) False (b) True

Answer key

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

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