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Class 4 GK Worksheet: Inventions and Inventors

GK lesson 21: Inventions and inventors · Set 686 · 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: a telephone helps us hear the heartbeat. (a) True (b) False
  2. 2.What does a calculator help us do? (a) see tiny germs (b) find directions (c) do sums quickly (d) see faraway stars
  3. 3.True or false: Alexander Fleming gave us the electric battery. (a) False (b) True
  4. 4.💡 Who gave us raised-dot writing? (a) Wilhelm Röntgen (b) René Laennec (c) Louis Braille (d) Alexander Fleming
  5. 5.💡 Who gave us the electric battery? (a) Louis Braille (b) Alessandro Volta (c) Edward Jenner (d) Wilhelm Röntgen
  6. 6.True or false: Wilhelm Röntgen gave us the smallpox vaccine. (a) True (b) False
  7. 7.What did Johannes Gutenberg give us? (a) the printing press (b) the telephone (c) the electric battery (d) the stethoscope
  8. 8.🔧 Which invention helps us measure body temperature? (a) calculator (b) stethoscope (c) thermometer (d) microscope
  9. 9.🔧 Which invention helps us tell the time? (a) telephone (b) telescope (c) stethoscope (d) clock
  10. 10.True or false: Alexander Graham Bell gave us the smallpox vaccine. (a) True (b) False
  11. 11.True or false: a clock helps us do sums quickly. (a) False (b) True
  12. 12.💡 Who gave us X-rays? (a) Alexander Fleming (b) Wilhelm Röntgen (c) René Laennec (d) Johannes Gutenberg
  13. 13.💡 Who gave us penicillin? (a) Alessandro Volta (b) René Laennec (c) Alexander Fleming (d) Edward Jenner
  14. 14.What did Edward Jenner give us? (a) penicillin (b) the smallpox vaccine (c) raised-dot writing (d) the telephone
  15. 15.💡 Who gave us the telephone? (a) Alessandro Volta (b) Alexander Graham Bell (c) Johannes Gutenberg (d) Louis Braille
  16. 16.What did Alexander Fleming give us? (a) penicillin (b) the smallpox vaccine (c) the stethoscope (d) X-rays
  17. 17.True or false: Alessandro Volta gave us the electric battery. (a) False (b) True
  18. 18.What did Alessandro Volta give us? (a) the electric battery (b) the telephone (c) the printing press (d) raised-dot writing
  19. 19.What did René Laennec give us? (a) penicillin (b) raised-dot writing (c) the smallpox vaccine (d) the stethoscope
  20. 20.True or false: René Laennec gave us X-rays. (a) True (b) False
  21. 21.True or false: the Wright brothers gave us the first aeroplane. (a) False (b) True
  22. 22.True or false: a telescope helps us tell the time. (a) True (b) False
  23. 23.🔧 Which invention helps us do sums quickly? (a) stethoscope (b) thermometer (c) telephone (d) calculator
  24. 24.What did Wilhelm Röntgen give us? (a) raised-dot writing (b) the stethoscope (c) penicillin (d) X-rays
  25. 25.What does a telescope help us do? (a) hear the heartbeat (b) see tiny germs (c) see faraway stars (d) print many books
  26. 26.True or false: a telescope helps us see faraway stars. (a) False (b) True
  27. 27.💡 Who gave us the printing press? (a) the Wright brothers (b) Johannes Gutenberg (c) Wilhelm Röntgen (d) Edward Jenner
  28. 28.💡 Who gave us the stethoscope? (a) René Laennec (b) Edward Jenner (c) Johannes Gutenberg (d) Alexander Graham Bell
  29. 29.What does a thermometer help us do? (a) see tiny germs (b) print many books (c) hear the heartbeat (d) measure body temperature
  30. 30.What did Alexander Graham Bell give us? (a) the first aeroplane (b) the printing press (c) the telephone (d) the smallpox vaccine
  31. 31.True or false: a thermometer helps us tell the time. (a) True (b) False
  32. 32.🔧 Which invention helps us hear the heartbeat? (a) stethoscope (b) compass (c) telephone (d) calculator
  33. 33.True or false: Louis Braille gave us the first aeroplane. (a) False (b) True
  34. 34.💡 Who gave us the smallpox vaccine? (a) René Laennec (b) Alexander Fleming (c) Edward Jenner (d) Alessandro Volta
  35. 35.🔧 Which invention helps us see faraway stars? (a) telephone (b) telescope (c) microscope (d) thermometer
  36. 36.True or false: Alessandro Volta gave us X-rays. (a) True (b) False
  37. 37.True or false: Johannes Gutenberg gave us the smallpox vaccine. (a) True (b) False
  38. 38.True or false: a stethoscope helps us hear the heartbeat. (a) False (b) True
  39. 39.What does a stethoscope help us do? (a) tell the time (b) do sums quickly (c) hear the heartbeat (d) measure body temperature
  40. 40.True or false: Alexander Fleming gave us the telephone. (a) False (b) True

Answer key

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

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