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Class 4 GK Worksheet: Inventions and Inventors

GK lesson 21: Inventions and inventors · Set 778 · 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: Alexander Fleming gave us raised-dot writing. (a) True (b) False
  2. 2.🔧 Which invention helps us talk to people far away? (a) compass (b) printing press (c) stethoscope (d) telephone
  3. 3.What did Wilhelm Röntgen give us? (a) raised-dot writing (b) penicillin (c) X-rays (d) the telephone
  4. 4.💡 Who gave us the first aeroplane? (a) Louis Braille (b) René Laennec (c) Alexander Graham Bell (d) the Wright brothers
  5. 5.What does a clock help us do? (a) tell the time (b) do sums quickly (c) print many books (d) hear the heartbeat
  6. 6.🔧 Which invention helps us hear the heartbeat? (a) calculator (b) printing press (c) telescope (d) stethoscope
  7. 7.💡 Who gave us the electric battery? (a) the Wright brothers (b) Edward Jenner (c) Alexander Fleming (d) Alessandro Volta
  8. 8.True or false: a clock helps us measure body temperature. (a) False (b) True
  9. 9.True or false: a calculator helps us print many books. (a) False (b) True
  10. 10.What does a printing press help us do? (a) print many books (b) do sums quickly (c) see faraway stars (d) measure body temperature
  11. 11.True or false: Wilhelm Röntgen gave us the telephone. (a) False (b) True
  12. 12.What did Johannes Gutenberg give us? (a) X-rays (b) the smallpox vaccine (c) the stethoscope (d) the printing press
  13. 13.What did Alexander Fleming give us? (a) the telephone (b) the smallpox vaccine (c) penicillin (d) the first aeroplane
  14. 14.True or false: a printing press helps us see tiny germs. (a) False (b) True
  15. 15.True or false: the Wright brothers gave us the printing press. (a) True (b) False
  16. 16.💡 Who gave us raised-dot writing? (a) Johannes Gutenberg (b) Louis Braille (c) René Laennec (d) Alessandro Volta
  17. 17.💡 Who gave us the printing press? (a) Edward Jenner (b) Alexander Graham Bell (c) Johannes Gutenberg (d) Alexander Fleming
  18. 18.True or false: Alexander Fleming gave us penicillin. (a) False (b) True
  19. 19.🔧 Which invention helps us measure body temperature? (a) calculator (b) telescope (c) telephone (d) thermometer
  20. 20.True or false: Alexander Fleming gave us the stethoscope. (a) True (b) False
  21. 21.What did Alessandro Volta give us? (a) the electric battery (b) the first aeroplane (c) the stethoscope (d) the telephone
  22. 22.💡 Who gave us the smallpox vaccine? (a) Johannes Gutenberg (b) Alexander Graham Bell (c) Louis Braille (d) Edward Jenner
  23. 23.True or false: Alexander Fleming gave us the smallpox vaccine. (a) True (b) False
  24. 24.What did Louis Braille give us? (a) raised-dot writing (b) the printing press (c) the telephone (d) the stethoscope
  25. 25.True or false: Alessandro Volta gave us the electric battery. (a) False (b) True
  26. 26.True or false: a stethoscope helps us hear the heartbeat. (a) False (b) True
  27. 27.🔧 Which invention helps us do sums quickly? (a) telescope (b) stethoscope (c) calculator (d) thermometer
  28. 28.True or false: Alessandro Volta gave us the telephone. (a) False (b) True
  29. 29.True or false: a telescope helps us see faraway stars. (a) True (b) False
  30. 30.What did Alexander Graham Bell give us? (a) the electric battery (b) the telephone (c) the smallpox vaccine (d) the first aeroplane
  31. 31.What does a compass help us do? (a) measure body temperature (b) print many books (c) talk to people far away (d) find directions
  32. 32.🔧 Which invention helps us see faraway stars? (a) thermometer (b) stethoscope (c) clock (d) telescope
  33. 33.What did Edward Jenner give us? (a) the first aeroplane (b) raised-dot writing (c) X-rays (d) the smallpox vaccine
  34. 34.True or false: a stethoscope helps us print many books. (a) True (b) False
  35. 35.True or false: a compass helps us hear the heartbeat. (a) False (b) True
  36. 36.True or false: Louis Braille gave us raised-dot writing. (a) False (b) True
  37. 37.True or false: a printing press helps us hear the heartbeat. (a) False (b) True
  38. 38.True or false: a printing press helps us find directions. (a) True (b) False
  39. 39.💡 Who gave us penicillin? (a) Alexander Fleming (b) Alexander Graham Bell (c) Louis Braille (d) Johannes Gutenberg
  40. 40.What does a telescope help us do? (a) see faraway stars (b) tell the time (c) see tiny germs (d) do sums quickly

Answer key

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

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