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Class 4 GK Worksheet: Inventions and Inventors

GK lesson 21: Inventions and inventors · Set 760 · 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 see tiny germs? (a) calculator (b) compass (c) microscope (d) telephone
  2. 2.What does a clock help us do? (a) do sums quickly (b) talk to people far away (c) tell the time (d) hear the heartbeat
  3. 3.🔧 Which invention helps us talk to people far away? (a) stethoscope (b) telephone (c) compass (d) calculator
  4. 4.💡 Who gave us the smallpox vaccine? (a) Johannes Gutenberg (b) Alexander Graham Bell (c) Edward Jenner (d) René Laennec
  5. 5.What does a microscope help us do? (a) hear the heartbeat (b) tell the time (c) see tiny germs (d) print many books
  6. 6.What did Edward Jenner give us? (a) raised-dot writing (b) the stethoscope (c) the telephone (d) the smallpox vaccine
  7. 7.🔧 Which invention helps us tell the time? (a) clock (b) compass (c) stethoscope (d) telescope
  8. 8.What does a telescope help us do? (a) talk to people far away (b) find directions (c) print many books (d) see faraway stars
  9. 9.What did Alexander Graham Bell give us? (a) raised-dot writing (b) the smallpox vaccine (c) penicillin (d) the telephone
  10. 10.💡 Who gave us the telephone? (a) Louis Braille (b) René Laennec (c) Alexander Graham Bell (d) Johannes Gutenberg
  11. 11.What did Wilhelm Röntgen give us? (a) X-rays (b) the electric battery (c) the printing press (d) the first aeroplane
  12. 12.What did Louis Braille give us? (a) the electric battery (b) the printing press (c) the stethoscope (d) raised-dot writing
  13. 13.True or false: a calculator helps us do sums quickly. (a) False (b) True
  14. 14.🔧 Which invention helps us find directions? (a) telephone (b) clock (c) telescope (d) compass
  15. 15.What did the Wright brothers give us? (a) raised-dot writing (b) the printing press (c) the first aeroplane (d) the telephone
  16. 16.💡 Who gave us the electric battery? (a) Edward Jenner (b) René Laennec (c) Alessandro Volta (d) Louis Braille
  17. 17.True or false: Wilhelm Röntgen gave us raised-dot writing. (a) True (b) False
  18. 18.💡 Who gave us the first aeroplane? (a) Wilhelm Röntgen (b) Johannes Gutenberg (c) the Wright brothers (d) Alexander Graham Bell
  19. 19.What did Alexander Fleming give us? (a) penicillin (b) the first aeroplane (c) raised-dot writing (d) the smallpox vaccine
  20. 20.True or false: Louis Braille gave us the first aeroplane. (a) False (b) True
  21. 21.What did René Laennec give us? (a) the stethoscope (b) the electric battery (c) the printing press (d) penicillin
  22. 22.True or false: Edward Jenner gave us the stethoscope. (a) False (b) True
  23. 23.💡 Who gave us raised-dot writing? (a) Alessandro Volta (b) Alexander Fleming (c) the Wright brothers (d) Louis Braille
  24. 24.True or false: Alexander Graham Bell gave us the stethoscope. (a) True (b) False
  25. 25.🔧 Which invention helps us hear the heartbeat? (a) telephone (b) calculator (c) thermometer (d) stethoscope
  26. 26.💡 Who gave us penicillin? (a) Alessandro Volta (b) René Laennec (c) Alexander Fleming (d) Louis Braille
  27. 27.True or false: a telephone helps us print many books. (a) True (b) False
  28. 28.What does a calculator help us do? (a) see faraway stars (b) do sums quickly (c) find directions (d) talk to people far away
  29. 29.True or false: a thermometer helps us measure body temperature. (a) False (b) True
  30. 30.True or false: Alexander Graham Bell gave us the telephone. (a) False (b) True
  31. 31.💡 Who gave us the printing press? (a) Johannes Gutenberg (b) Louis Braille (c) Edward Jenner (d) Alexander Graham Bell
  32. 32.True or false: a thermometer helps us see faraway stars. (a) True (b) False
  33. 33.What does a telephone help us do? (a) measure body temperature (b) hear the heartbeat (c) do sums quickly (d) talk to people far away
  34. 34.🔧 Which invention helps us measure body temperature? (a) stethoscope (b) printing press (c) thermometer (d) telephone
  35. 35.True or false: the Wright brothers gave us raised-dot writing. (a) False (b) True
  36. 36.True or false: a printing press helps us print many books. (a) False (b) True
  37. 37.True or false: Alexander Fleming gave us penicillin. (a) True (b) False
  38. 38.True or false: Alessandro Volta gave us X-rays. (a) True (b) False
  39. 39.True or false: Alessandro Volta gave us raised-dot writing. (a) True (b) False
  40. 40.True or false: Alexander Fleming gave us the smallpox vaccine. (a) True (b) False

Answer key

  1. microscope
  2. tell the time
  3. telephone
  4. Edward Jenner
  5. see tiny germs
  6. the smallpox vaccine
  7. clock
  8. see faraway stars
  9. the telephone
  10. Alexander Graham Bell
  11. X-rays
  12. raised-dot writing
  13. True
  14. compass
  15. the first aeroplane
  16. Alessandro Volta
  17. False
  18. the Wright brothers
  19. penicillin
  20. False
  21. the stethoscope
  22. False
  23. Louis Braille
  24. False
  25. stethoscope
  26. Alexander Fleming
  27. False
  28. do sums quickly
  29. True
  30. True
  31. Johannes Gutenberg
  32. False
  33. talk to people far away
  34. thermometer
  35. False
  36. True
  37. True
  38. False
  39. False
  40. False

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