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Class 4 GK Worksheet: Inventions and Inventors

GK lesson 21: Inventions and inventors · Set 830 · 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 telephone? (a) Alessandro Volta (b) Alexander Fleming (c) Johannes Gutenberg (d) Alexander Graham Bell
  2. 2.🔧 Which invention helps us print many books? (a) thermometer (b) telephone (c) stethoscope (d) printing press
  3. 3.True or false: Edward Jenner gave us the first aeroplane. (a) True (b) False
  4. 4.True or false: Alessandro Volta gave us the electric battery. (a) False (b) True
  5. 5.💡 Who gave us the first aeroplane? (a) Alexander Fleming (b) Johannes Gutenberg (c) Louis Braille (d) the Wright brothers
  6. 6.🔧 Which invention helps us hear the heartbeat? (a) thermometer (b) calculator (c) stethoscope (d) compass
  7. 7.What does a thermometer help us do? (a) find directions (b) see tiny germs (c) tell the time (d) measure body temperature
  8. 8.True or false: the Wright brothers gave us the electric battery. (a) False (b) True
  9. 9.What did Alessandro Volta give us? (a) the stethoscope (b) the electric battery (c) the printing press (d) X-rays
  10. 10.💡 Who gave us raised-dot writing? (a) Alexander Graham Bell (b) the Wright brothers (c) Wilhelm Röntgen (d) Louis Braille
  11. 11.True or false: the Wright brothers gave us the first aeroplane. (a) False (b) True
  12. 12.True or false: Johannes Gutenberg gave us the first aeroplane. (a) True (b) False
  13. 13.True or false: a calculator helps us see tiny germs. (a) True (b) False
  14. 14.🔧 Which invention helps us measure body temperature? (a) calculator (b) stethoscope (c) thermometer (d) telescope
  15. 15.💡 Who gave us penicillin? (a) Edward Jenner (b) Alexander Graham Bell (c) Louis Braille (d) Alexander Fleming
  16. 16.What did Wilhelm Röntgen give us? (a) the smallpox vaccine (b) raised-dot writing (c) X-rays (d) the printing press
  17. 17.What does a clock help us do? (a) hear the heartbeat (b) see faraway stars (c) tell the time (d) print many books
  18. 18.True or false: a clock helps us tell the time. (a) True (b) False
  19. 19.What did the Wright brothers give us? (a) the stethoscope (b) the first aeroplane (c) X-rays (d) penicillin
  20. 20.💡 Who gave us X-rays? (a) René Laennec (b) Louis Braille (c) Wilhelm Röntgen (d) Alexander Graham Bell
  21. 21.True or false: Johannes Gutenberg gave us the printing press. (a) True (b) False
  22. 22.True or false: Louis Braille gave us raised-dot writing. (a) True (b) False
  23. 23.🔧 Which invention helps us talk to people far away? (a) calculator (b) printing press (c) compass (d) telephone
  24. 24.🔧 Which invention helps us do sums quickly? (a) calculator (b) telephone (c) compass (d) microscope
  25. 25.What does a compass help us do? (a) hear the heartbeat (b) do sums quickly (c) talk to people far away (d) find directions
  26. 26.💡 Who gave us the stethoscope? (a) Louis Braille (b) Edward Jenner (c) Alessandro Volta (d) René Laennec
  27. 27.What did René Laennec give us? (a) raised-dot writing (b) the stethoscope (c) the telephone (d) the printing press
  28. 28.🔧 Which invention helps us find directions? (a) stethoscope (b) clock (c) calculator (d) compass
  29. 29.True or false: Edward Jenner gave us the smallpox vaccine. (a) True (b) False
  30. 30.What does a telescope help us do? (a) see faraway stars (b) measure body temperature (c) talk to people far away (d) tell the time
  31. 31.💡 Who gave us the electric battery? (a) Louis Braille (b) Alexander Fleming (c) René Laennec (d) Alessandro Volta
  32. 32.What does a printing press help us do? (a) tell the time (b) see faraway stars (c) print many books (d) find directions
  33. 33.🔧 Which invention helps us see faraway stars? (a) clock (b) printing press (c) compass (d) telescope
  34. 34.What did Alexander Fleming give us? (a) the stethoscope (b) raised-dot writing (c) penicillin (d) X-rays
  35. 35.True or false: Wilhelm Röntgen gave us the smallpox vaccine. (a) False (b) True
  36. 36.💡 Who gave us the smallpox vaccine? (a) Edward Jenner (b) Wilhelm Röntgen (c) Alexander Graham Bell (d) René Laennec
  37. 37.True or false: a telephone helps us talk to people far away. (a) False (b) True
  38. 38.True or false: René Laennec gave us the stethoscope. (a) True (b) False
  39. 39.True or false: a thermometer helps us talk to people far away. (a) False (b) True
  40. 40.What did Alexander Graham Bell give us? (a) raised-dot writing (b) the telephone (c) the smallpox vaccine (d) X-rays

Answer key

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

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