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Class 4 GK Worksheet: Inventions and Inventors

GK lesson 21: Inventions and inventors · Set 295 · 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 tell the time? (a) calculator (b) clock (c) telescope (d) telephone
  2. 2.True or false: Edward Jenner gave us the smallpox vaccine. (a) False (b) True
  3. 3.True or false: René Laennec gave us the smallpox vaccine. (a) True (b) False
  4. 4.💡 Who gave us raised-dot writing? (a) Louis Braille (b) René Laennec (c) Wilhelm Röntgen (d) the Wright brothers
  5. 5.What does a thermometer help us do? (a) measure body temperature (b) see faraway stars (c) find directions (d) hear the heartbeat
  6. 6.What did Johannes Gutenberg give us? (a) the first aeroplane (b) raised-dot writing (c) the printing press (d) X-rays
  7. 7.What did Alessandro Volta give us? (a) the smallpox vaccine (b) the electric battery (c) the stethoscope (d) the printing press
  8. 8.What did the Wright brothers give us? (a) the stethoscope (b) the electric battery (c) the smallpox vaccine (d) the first aeroplane
  9. 9.What does a compass help us do? (a) see tiny germs (b) tell the time (c) find directions (d) talk to people far away
  10. 10.True or false: a calculator helps us measure body temperature. (a) True (b) False
  11. 11.What does a calculator help us do? (a) do sums quickly (b) see tiny germs (c) tell the time (d) see faraway stars
  12. 12.💡 Who gave us the telephone? (a) Alexander Graham Bell (b) Louis Braille (c) Johannes Gutenberg (d) Alexander Fleming
  13. 13.True or false: a printing press helps us do sums quickly. (a) True (b) False
  14. 14.What does a telescope help us do? (a) find directions (b) print many books (c) do sums quickly (d) see faraway stars
  15. 15.💡 Who gave us the printing press? (a) Louis Braille (b) the Wright brothers (c) Alexander Fleming (d) Johannes Gutenberg
  16. 16.💡 Who gave us penicillin? (a) Alexander Graham Bell (b) René Laennec (c) Johannes Gutenberg (d) Alexander Fleming
  17. 17.What does a printing press help us do? (a) see faraway stars (b) talk to people far away (c) print many books (d) measure body temperature
  18. 18.True or false: a clock helps us hear the heartbeat. (a) True (b) False
  19. 19.🔧 Which invention helps us print many books? (a) stethoscope (b) telephone (c) thermometer (d) printing press
  20. 20.True or false: Louis Braille gave us penicillin. (a) True (b) False
  21. 21.True or false: a printing press helps us see tiny germs. (a) False (b) True
  22. 22.🔧 Which invention helps us do sums quickly? (a) thermometer (b) calculator (c) microscope (d) stethoscope
  23. 23.True or false: a compass helps us find directions. (a) True (b) False
  24. 24.What did Wilhelm Röntgen give us? (a) penicillin (b) the smallpox vaccine (c) X-rays (d) the first aeroplane
  25. 25.True or false: Louis Braille gave us raised-dot writing. (a) False (b) True
  26. 26.What does a stethoscope help us do? (a) find directions (b) hear the heartbeat (c) tell the time (d) see faraway stars
  27. 27.True or false: a compass helps us print many books. (a) True (b) False
  28. 28.True or false: a microscope helps us see tiny germs. (a) False (b) True
  29. 29.What does a clock help us do? (a) see faraway stars (b) find directions (c) tell the time (d) talk to people far away
  30. 30.💡 Who gave us the first aeroplane? (a) Alexander Graham Bell (b) Edward Jenner (c) the Wright brothers (d) Wilhelm Röntgen
  31. 31.💡 Who gave us the stethoscope? (a) Edward Jenner (b) Louis Braille (c) René Laennec (d) Johannes Gutenberg
  32. 32.🔧 Which invention helps us see tiny germs? (a) clock (b) thermometer (c) microscope (d) telephone
  33. 33.What did Edward Jenner give us? (a) penicillin (b) X-rays (c) the smallpox vaccine (d) the printing press
  34. 34.True or false: a stethoscope helps us hear the heartbeat. (a) False (b) True
  35. 35.💡 Who gave us the smallpox vaccine? (a) Wilhelm Röntgen (b) the Wright brothers (c) Edward Jenner (d) Johannes Gutenberg
  36. 36.🔧 Which invention helps us see faraway stars? (a) stethoscope (b) clock (c) telephone (d) telescope
  37. 37.True or false: a compass helps us measure body temperature. (a) False (b) True
  38. 38.🔧 Which invention helps us measure body temperature? (a) microscope (b) compass (c) thermometer (d) stethoscope
  39. 39.True or false: a printing press helps us print many books. (a) False (b) True
  40. 40.True or false: a telephone helps us talk to people far away. (a) True (b) False

Answer key

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

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