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Class 4 GK Worksheet: Inventions and Inventors

GK lesson 21: Inventions and inventors · Set 500 · 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 stethoscope? (a) René Laennec (b) Louis Braille (c) Alessandro Volta (d) Johannes Gutenberg
  2. 2.True or false: René Laennec gave us the smallpox vaccine. (a) False (b) True
  3. 3.What does a compass help us do? (a) tell the time (b) find directions (c) see tiny germs (d) talk to people far away
  4. 4.🔧 Which invention helps us see faraway stars? (a) telephone (b) thermometer (c) telescope (d) microscope
  5. 5.💡 Who gave us penicillin? (a) Louis Braille (b) Alexander Fleming (c) Edward Jenner (d) Alexander Graham Bell
  6. 6.What did Alexander Graham Bell give us? (a) X-rays (b) penicillin (c) the telephone (d) the electric battery
  7. 7.What does a thermometer help us do? (a) tell the time (b) see faraway stars (c) measure body temperature (d) talk to people far away
  8. 8.🔧 Which invention helps us tell the time? (a) compass (b) clock (c) thermometer (d) telephone
  9. 9.True or false: Wilhelm Röntgen gave us the smallpox vaccine. (a) False (b) True
  10. 10.🔧 Which invention helps us see tiny germs? (a) printing press (b) thermometer (c) microscope (d) stethoscope
  11. 11.What does a printing press help us do? (a) measure body temperature (b) print many books (c) talk to people far away (d) find directions
  12. 12.True or false: Edward Jenner gave us the printing press. (a) False (b) True
  13. 13.💡 Who gave us the printing press? (a) Louis Braille (b) Alessandro Volta (c) Alexander Graham Bell (d) Johannes Gutenberg
  14. 14.True or false: a telephone helps us talk to people far away. (a) False (b) True
  15. 15.What did Wilhelm Röntgen give us? (a) the printing press (b) X-rays (c) the telephone (d) the first aeroplane
  16. 16.What does a stethoscope help us do? (a) see tiny germs (b) hear the heartbeat (c) print many books (d) measure body temperature
  17. 17.💡 Who gave us the first aeroplane? (a) Johannes Gutenberg (b) the Wright brothers (c) Alexander Graham Bell (d) René Laennec
  18. 18.💡 Who gave us the telephone? (a) Alexander Graham Bell (b) Edward Jenner (c) Wilhelm Röntgen (d) Alessandro Volta
  19. 19.True or false: a telephone helps us hear the heartbeat. (a) True (b) False
  20. 20.What does a calculator help us do? (a) hear the heartbeat (b) do sums quickly (c) tell the time (d) measure body temperature
  21. 21.True or false: Wilhelm Röntgen gave us the first aeroplane. (a) True (b) False
  22. 22.True or false: a telephone helps us measure body temperature. (a) False (b) True
  23. 23.True or false: Wilhelm Röntgen gave us X-rays. (a) True (b) False
  24. 24.True or false: Johannes Gutenberg gave us the stethoscope. (a) True (b) False
  25. 25.True or false: a telescope helps us talk to people far away. (a) True (b) False
  26. 26.True or false: René Laennec gave us raised-dot writing. (a) False (b) True
  27. 27.True or false: a compass helps us talk to people far away. (a) False (b) True
  28. 28.What did the Wright brothers give us? (a) raised-dot writing (b) the electric battery (c) the first aeroplane (d) the telephone
  29. 29.💡 Who gave us X-rays? (a) Louis Braille (b) Alessandro Volta (c) Wilhelm Röntgen (d) René Laennec
  30. 30.True or false: Alexander Graham Bell gave us the telephone. (a) False (b) True
  31. 31.What did Alexander Fleming give us? (a) penicillin (b) raised-dot writing (c) X-rays (d) the smallpox vaccine
  32. 32.💡 Who gave us the smallpox vaccine? (a) Edward Jenner (b) Alexander Fleming (c) Louis Braille (d) Wilhelm Röntgen
  33. 33.True or false: a telephone helps us do sums quickly. (a) True (b) False
  34. 34.True or false: the Wright brothers gave us the first aeroplane. (a) True (b) False
  35. 35.True or false: René Laennec gave us the printing press. (a) True (b) False
  36. 36.True or false: Edward Jenner gave us the smallpox vaccine. (a) False (b) True
  37. 37.What did René Laennec give us? (a) penicillin (b) the electric battery (c) the stethoscope (d) raised-dot writing
  38. 38.🔧 Which invention helps us print many books? (a) printing press (b) compass (c) stethoscope (d) calculator
  39. 39.🔧 Which invention helps us find directions? (a) telephone (b) printing press (c) calculator (d) compass
  40. 40.True or false: a thermometer helps us see faraway stars. (a) True (b) False

Answer key

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

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