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Class 4 GK Worksheet: Inventions and Inventors

GK lesson 21: Inventions and inventors · Set 365 · 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 talk to people far away? (a) telephone (b) compass (c) thermometer (d) calculator
  2. 2.What did Alessandro Volta give us? (a) raised-dot writing (b) the electric battery (c) the stethoscope (d) the telephone
  3. 3.True or false: a printing press helps us measure body temperature. (a) True (b) False
  4. 4.What did Johannes Gutenberg give us? (a) raised-dot writing (b) X-rays (c) the printing press (d) the smallpox vaccine
  5. 5.True or false: Wilhelm Röntgen gave us X-rays. (a) False (b) True
  6. 6.True or false: Alexander Fleming gave us penicillin. (a) False (b) True
  7. 7.What did Wilhelm Röntgen give us? (a) the telephone (b) penicillin (c) the electric battery (d) X-rays
  8. 8.What does a stethoscope help us do? (a) see faraway stars (b) hear the heartbeat (c) talk to people far away (d) find directions
  9. 9.💡 Who gave us the printing press? (a) Johannes Gutenberg (b) Wilhelm Röntgen (c) Alexander Fleming (d) René Laennec
  10. 10.True or false: a telephone helps us tell the time. (a) False (b) True
  11. 11.What did Alexander Graham Bell give us? (a) the telephone (b) the smallpox vaccine (c) raised-dot writing (d) X-rays
  12. 12.True or false: a stethoscope helps us measure body temperature. (a) True (b) False
  13. 13.🔧 Which invention helps us see faraway stars? (a) calculator (b) stethoscope (c) telescope (d) telephone
  14. 14.What does a compass help us do? (a) find directions (b) tell the time (c) measure body temperature (d) print many books
  15. 15.True or false: a telescope helps us hear the heartbeat. (a) True (b) False
  16. 16.True or false: a compass helps us print many books. (a) False (b) True
  17. 17.True or false: Alessandro Volta gave us X-rays. (a) True (b) False
  18. 18.💡 Who gave us the stethoscope? (a) Louis Braille (b) Alexander Fleming (c) Alexander Graham Bell (d) René Laennec
  19. 19.True or false: a compass helps us find directions. (a) True (b) False
  20. 20.💡 Who gave us the electric battery? (a) Alexander Graham Bell (b) Alessandro Volta (c) René Laennec (d) Alexander Fleming
  21. 21.💡 Who gave us the telephone? (a) Edward Jenner (b) Louis Braille (c) Alexander Graham Bell (d) Alessandro Volta
  22. 22.True or false: Alexander Graham Bell gave us the telephone. (a) False (b) True
  23. 23.True or false: René Laennec gave us the first aeroplane. (a) True (b) False
  24. 24.True or false: a thermometer helps us measure body temperature. (a) False (b) True
  25. 25.What did Edward Jenner give us? (a) the telephone (b) the printing press (c) the first aeroplane (d) the smallpox vaccine
  26. 26.💡 Who gave us the smallpox vaccine? (a) Edward Jenner (b) Alexander Fleming (c) the Wright brothers (d) René Laennec
  27. 27.True or false: a printing press helps us print many books. (a) False (b) True
  28. 28.True or false: a stethoscope helps us do sums quickly. (a) True (b) False
  29. 29.What did Alexander Fleming give us? (a) penicillin (b) the printing press (c) the stethoscope (d) the telephone
  30. 30.What did the Wright brothers give us? (a) the telephone (b) the electric battery (c) the smallpox vaccine (d) the first aeroplane
  31. 31.🔧 Which invention helps us hear the heartbeat? (a) stethoscope (b) compass (c) thermometer (d) microscope
  32. 32.True or false: a stethoscope helps us hear the heartbeat. (a) False (b) True
  33. 33.True or false: a microscope helps us tell the time. (a) False (b) True
  34. 34.What did René Laennec give us? (a) penicillin (b) the first aeroplane (c) the printing press (d) the stethoscope
  35. 35.What did Louis Braille give us? (a) raised-dot writing (b) X-rays (c) the smallpox vaccine (d) the stethoscope
  36. 36.🔧 Which invention helps us measure body temperature? (a) thermometer (b) telephone (c) clock (d) microscope
  37. 37.💡 Who gave us raised-dot writing? (a) René Laennec (b) Edward Jenner (c) Alessandro Volta (d) Louis Braille
  38. 38.💡 Who gave us X-rays? (a) Louis Braille (b) Alessandro Volta (c) Edward Jenner (d) Wilhelm Röntgen
  39. 39.What does a thermometer help us do? (a) hear the heartbeat (b) measure body temperature (c) print many books (d) tell the time
  40. 40.🔧 Which invention helps us tell the time? (a) compass (b) microscope (c) clock (d) telescope

Answer key

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

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