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Class 4 GK Worksheet: Inventions and Inventors

GK lesson 21: Inventions and inventors · Set 84 · 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 find directions? (a) microscope (b) compass (c) telephone (d) stethoscope
  2. 2.What does a thermometer help us do? (a) see tiny germs (b) print many books (c) do sums quickly (d) measure body temperature
  3. 3.True or false: a calculator helps us do sums quickly. (a) False (b) True
  4. 4.🔧 Which invention helps us talk to people far away? (a) telescope (b) telephone (c) clock (d) calculator
  5. 5.True or false: a microscope helps us see tiny germs. (a) True (b) False
  6. 6.💡 Who gave us the printing press? (a) René Laennec (b) Alessandro Volta (c) Johannes Gutenberg (d) Louis Braille
  7. 7.True or false: Edward Jenner gave us the electric battery. (a) True (b) False
  8. 8.True or false: Johannes Gutenberg gave us the telephone. (a) False (b) True
  9. 9.True or false: the Wright brothers gave us the electric battery. (a) True (b) False
  10. 10.What did Louis Braille give us? (a) raised-dot writing (b) the stethoscope (c) penicillin (d) the first aeroplane
  11. 11.What does a calculator help us do? (a) find directions (b) talk to people far away (c) see faraway stars (d) do sums quickly
  12. 12.💡 Who gave us X-rays? (a) Johannes Gutenberg (b) Wilhelm Röntgen (c) Alessandro Volta (d) René Laennec
  13. 13.What did René Laennec give us? (a) penicillin (b) the electric battery (c) the stethoscope (d) the telephone
  14. 14.True or false: a telescope helps us see faraway stars. (a) False (b) True
  15. 15.💡 Who gave us the electric battery? (a) Louis Braille (b) Alessandro Volta (c) Johannes Gutenberg (d) the Wright brothers
  16. 16.True or false: a printing press helps us print many books. (a) True (b) False
  17. 17.🔧 Which invention helps us tell the time? (a) microscope (b) clock (c) printing press (d) telescope
  18. 18.🔧 Which invention helps us measure body temperature? (a) calculator (b) printing press (c) compass (d) thermometer
  19. 19.💡 Who gave us penicillin? (a) Alexander Fleming (b) Alexander Graham Bell (c) Edward Jenner (d) René Laennec
  20. 20.What does a stethoscope help us do? (a) print many books (b) measure body temperature (c) see tiny germs (d) hear the heartbeat
  21. 21.What does a telephone help us do? (a) talk to people far away (b) tell the time (c) see tiny germs (d) measure body temperature
  22. 22.🔧 Which invention helps us do sums quickly? (a) calculator (b) telephone (c) clock (d) microscope
  23. 23.True or false: Johannes Gutenberg gave us the printing press. (a) True (b) False
  24. 24.💡 Who gave us the stethoscope? (a) Alexander Graham Bell (b) René Laennec (c) the Wright brothers (d) Wilhelm Röntgen
  25. 25.What did Alexander Graham Bell give us? (a) the stethoscope (b) penicillin (c) the printing press (d) the telephone
  26. 26.What does a telescope help us do? (a) do sums quickly (b) see faraway stars (c) talk to people far away (d) hear the heartbeat
  27. 27.💡 Who gave us raised-dot writing? (a) the Wright brothers (b) Edward Jenner (c) Louis Braille (d) Alexander Fleming
  28. 28.What did Alessandro Volta give us? (a) the first aeroplane (b) the printing press (c) the telephone (d) the electric battery
  29. 29.What does a printing press help us do? (a) do sums quickly (b) hear the heartbeat (c) print many books (d) tell the time
  30. 30.💡 Who gave us the smallpox vaccine? (a) Edward Jenner (b) Johannes Gutenberg (c) the Wright brothers (d) Alexander Fleming
  31. 31.What did Alexander Fleming give us? (a) the telephone (b) the first aeroplane (c) raised-dot writing (d) penicillin
  32. 32.🔧 Which invention helps us see faraway stars? (a) microscope (b) telescope (c) calculator (d) printing press
  33. 33.What did the Wright brothers give us? (a) the electric battery (b) the first aeroplane (c) the stethoscope (d) the printing press
  34. 34.True or false: Edward Jenner gave us the smallpox vaccine. (a) True (b) False
  35. 35.True or false: Alessandro Volta gave us penicillin. (a) False (b) True
  36. 36.What did Edward Jenner give us? (a) the stethoscope (b) the printing press (c) the first aeroplane (d) the smallpox vaccine
  37. 37.True or false: a telephone helps us see tiny germs. (a) False (b) True
  38. 38.💡 Who gave us the first aeroplane? (a) Alessandro Volta (b) Johannes Gutenberg (c) the Wright brothers (d) Alexander Graham Bell
  39. 39.True or false: a thermometer helps us measure body temperature. (a) False (b) True
  40. 40.True or false: the Wright brothers gave us the smallpox vaccine. (a) False (b) True

Answer key

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

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