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Class 4 GK Worksheet: Inventions and Inventors

GK lesson 21: Inventions and inventors · Set 72 · 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: Louis Braille gave us the telephone. (a) True (b) False
  2. 2.🔧 Which invention helps us measure body temperature? (a) calculator (b) telescope (c) compass (d) thermometer
  3. 3.💡 Who gave us X-rays? (a) Alessandro Volta (b) the Wright brothers (c) Alexander Fleming (d) Wilhelm Röntgen
  4. 4.🔧 Which invention helps us find directions? (a) thermometer (b) printing press (c) telescope (d) compass
  5. 5.🔧 Which invention helps us see tiny germs? (a) stethoscope (b) microscope (c) calculator (d) telescope
  6. 6.💡 Who gave us the first aeroplane? (a) Alessandro Volta (b) the Wright brothers (c) Johannes Gutenberg (d) Alexander Graham Bell
  7. 7.True or false: Alexander Fleming gave us the printing press. (a) False (b) True
  8. 8.What did Louis Braille give us? (a) X-rays (b) penicillin (c) raised-dot writing (d) the electric battery
  9. 9.True or false: a microscope helps us see tiny germs. (a) False (b) True
  10. 10.What does a telephone help us do? (a) see tiny germs (b) see faraway stars (c) talk to people far away (d) measure body temperature
  11. 11.What does a telescope help us do? (a) see faraway stars (b) hear the heartbeat (c) do sums quickly (d) find directions
  12. 12.What does a clock help us do? (a) see tiny germs (b) tell the time (c) print many books (d) find directions
  13. 13.What did Alexander Graham Bell give us? (a) the first aeroplane (b) the stethoscope (c) the printing press (d) the telephone
  14. 14.True or false: a stethoscope helps us do sums quickly. (a) False (b) True
  15. 15.💡 Who gave us the smallpox vaccine? (a) Edward Jenner (b) Wilhelm Röntgen (c) Louis Braille (d) Alexander Fleming
  16. 16.💡 Who gave us penicillin? (a) Alexander Graham Bell (b) Alexander Fleming (c) the Wright brothers (d) Johannes Gutenberg
  17. 17.True or false: a telephone helps us do sums quickly. (a) False (b) True
  18. 18.What does a stethoscope help us do? (a) measure body temperature (b) do sums quickly (c) hear the heartbeat (d) find directions
  19. 19.💡 Who gave us the stethoscope? (a) Alexander Fleming (b) Alessandro Volta (c) René Laennec (d) Louis Braille
  20. 20.True or false: the Wright brothers gave us the first aeroplane. (a) True (b) False
  21. 21.💡 Who gave us the electric battery? (a) Alessandro Volta (b) Alexander Fleming (c) Alexander Graham Bell (d) the Wright brothers
  22. 22.What did Johannes Gutenberg give us? (a) the electric battery (b) the printing press (c) the stethoscope (d) penicillin
  23. 23.What did René Laennec give us? (a) the first aeroplane (b) the stethoscope (c) raised-dot writing (d) the electric battery
  24. 24.💡 Who gave us the printing press? (a) Alessandro Volta (b) the Wright brothers (c) Johannes Gutenberg (d) Wilhelm Röntgen
  25. 25.🔧 Which invention helps us do sums quickly? (a) compass (b) stethoscope (c) calculator (d) telephone
  26. 26.What did Alexander Fleming give us? (a) the first aeroplane (b) penicillin (c) the telephone (d) raised-dot writing
  27. 27.True or false: Edward Jenner gave us the smallpox vaccine. (a) False (b) True
  28. 28.True or false: Alexander Fleming gave us the first aeroplane. (a) True (b) False
  29. 29.True or false: a calculator helps us hear the heartbeat. (a) True (b) False
  30. 30.True or false: a telescope helps us see faraway stars. (a) False (b) True
  31. 31.What does a printing press help us do? (a) see faraway stars (b) tell the time (c) print many books (d) talk to people far away
  32. 32.💡 Who gave us the telephone? (a) Johannes Gutenberg (b) Alexander Graham Bell (c) Louis Braille (d) the Wright brothers
  33. 33.🔧 Which invention helps us hear the heartbeat? (a) stethoscope (b) calculator (c) telephone (d) thermometer
  34. 34.What did Edward Jenner give us? (a) X-rays (b) the telephone (c) the smallpox vaccine (d) penicillin
  35. 35.What does a compass help us do? (a) talk to people far away (b) print many books (c) find directions (d) do sums quickly
  36. 36.What did Alessandro Volta give us? (a) X-rays (b) raised-dot writing (c) penicillin (d) the electric battery
  37. 37.True or false: a thermometer helps us tell the time. (a) True (b) False
  38. 38.What does a thermometer help us do? (a) print many books (b) see tiny germs (c) measure body temperature (d) hear the heartbeat
  39. 39.What did Wilhelm Röntgen give us? (a) the printing press (b) raised-dot writing (c) the first aeroplane (d) X-rays
  40. 40.What did the Wright brothers give us? (a) the first aeroplane (b) the printing press (c) the smallpox vaccine (d) the telephone

Answer key

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

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