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Class 4 GK Worksheet: Inventions and Inventors

GK lesson 21: Inventions and inventors · Set 850 · 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 the electric battery? (a) Alexander Fleming (b) the Wright brothers (c) René Laennec (d) Alessandro Volta
  2. 2.🔧 Which invention helps us tell the time? (a) telescope (b) stethoscope (c) calculator (d) clock
  3. 3.What did the Wright brothers give us? (a) the telephone (b) the first aeroplane (c) the electric battery (d) the printing press
  4. 4.💡 Who gave us the stethoscope? (a) Edward Jenner (b) Louis Braille (c) Wilhelm Röntgen (d) René Laennec
  5. 5.🔧 Which invention helps us see faraway stars? (a) telescope (b) calculator (c) compass (d) thermometer
  6. 6.True or false: Wilhelm Röntgen gave us the stethoscope. (a) True (b) False
  7. 7.💡 Who gave us the smallpox vaccine? (a) Louis Braille (b) the Wright brothers (c) Edward Jenner (d) Alexander Fleming
  8. 8.What did Alexander Fleming give us? (a) the stethoscope (b) the printing press (c) the telephone (d) penicillin
  9. 9.True or false: a compass helps us find directions. (a) False (b) True
  10. 10.What did Johannes Gutenberg give us? (a) the smallpox vaccine (b) the printing press (c) raised-dot writing (d) the electric battery
  11. 11.💡 Who gave us the printing press? (a) Louis Braille (b) the Wright brothers (c) Johannes Gutenberg (d) René Laennec
  12. 12.🔧 Which invention helps us hear the heartbeat? (a) calculator (b) printing press (c) stethoscope (d) clock
  13. 13.True or false: a printing press helps us hear the heartbeat. (a) True (b) False
  14. 14.💡 Who gave us raised-dot writing? (a) Louis Braille (b) the Wright brothers (c) Alexander Graham Bell (d) Alexander Fleming
  15. 15.True or false: a calculator helps us find directions. (a) False (b) True
  16. 16.True or false: a telescope helps us hear the heartbeat. (a) True (b) False
  17. 17.True or false: René Laennec gave us the stethoscope. (a) True (b) False
  18. 18.True or false: a stethoscope helps us hear the heartbeat. (a) True (b) False
  19. 19.What does a telescope help us do? (a) tell the time (b) do sums quickly (c) print many books (d) see faraway stars
  20. 20.True or false: Wilhelm Röntgen gave us raised-dot writing. (a) False (b) True
  21. 21.🔧 Which invention helps us print many books? (a) telephone (b) telescope (c) compass (d) printing press
  22. 22.True or false: Louis Braille gave us raised-dot writing. (a) True (b) False
  23. 23.What does a compass help us do? (a) find directions (b) measure body temperature (c) see faraway stars (d) tell the time
  24. 24.What does a microscope help us do? (a) do sums quickly (b) find directions (c) print many books (d) see tiny germs
  25. 25.What did Louis Braille give us? (a) penicillin (b) X-rays (c) the electric battery (d) raised-dot writing
  26. 26.True or false: Johannes Gutenberg gave us the printing press. (a) False (b) True
  27. 27.What does a thermometer help us do? (a) see faraway stars (b) talk to people far away (c) measure body temperature (d) hear the heartbeat
  28. 28.True or false: Louis Braille gave us penicillin. (a) True (b) False
  29. 29.True or false: a clock helps us tell the time. (a) False (b) True
  30. 30.💡 Who gave us the telephone? (a) René Laennec (b) Alessandro Volta (c) Alexander Graham Bell (d) Louis Braille
  31. 31.What does a calculator help us do? (a) see faraway stars (b) do sums quickly (c) find directions (d) tell the time
  32. 32.True or false: Wilhelm Röntgen gave us the telephone. (a) False (b) True
  33. 33.What did Alexander Graham Bell give us? (a) raised-dot writing (b) the electric battery (c) the telephone (d) the smallpox vaccine
  34. 34.💡 Who gave us X-rays? (a) Edward Jenner (b) Alexander Graham Bell (c) Wilhelm Röntgen (d) the Wright brothers
  35. 35.True or false: a telephone helps us see faraway stars. (a) True (b) False
  36. 36.What did Alessandro Volta give us? (a) penicillin (b) the telephone (c) raised-dot writing (d) the electric battery
  37. 37.True or false: a telephone helps us see tiny germs. (a) True (b) False
  38. 38.What did René Laennec give us? (a) the stethoscope (b) the first aeroplane (c) the smallpox vaccine (d) the telephone
  39. 39.True or false: a printing press helps us print many books. (a) False (b) True
  40. 40.🔧 Which invention helps us talk to people far away? (a) telephone (b) thermometer (c) calculator (d) microscope

Answer key

  1. Alessandro Volta
  2. clock
  3. the first aeroplane
  4. René Laennec
  5. telescope
  6. False
  7. Edward Jenner
  8. penicillin
  9. True
  10. the printing press
  11. Johannes Gutenberg
  12. stethoscope
  13. False
  14. Louis Braille
  15. False
  16. False
  17. True
  18. True
  19. see faraway stars
  20. False
  21. printing press
  22. True
  23. find directions
  24. see tiny germs
  25. raised-dot writing
  26. True
  27. measure body temperature
  28. False
  29. True
  30. Alexander Graham Bell
  31. do sums quickly
  32. False
  33. the telephone
  34. Wilhelm Röntgen
  35. False
  36. the electric battery
  37. False
  38. the stethoscope
  39. True
  40. telephone

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