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Class 4 GK Worksheet: Inventions and Inventors

GK lesson 21: Inventions and inventors · Set 792 · 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.What does a stethoscope help us do? (a) see tiny germs (b) print many books (c) find directions (d) hear the heartbeat
  2. 2.🔧 Which invention helps us see faraway stars? (a) microscope (b) telescope (c) stethoscope (d) thermometer
  3. 3.True or false: a clock helps us tell the time. (a) False (b) True
  4. 4.What did the Wright brothers give us? (a) the first aeroplane (b) raised-dot writing (c) the electric battery (d) the printing press
  5. 5.💡 Who gave us the telephone? (a) the Wright brothers (b) Louis Braille (c) Alexander Graham Bell (d) Alexander Fleming
  6. 6.🔧 Which invention helps us find directions? (a) telephone (b) stethoscope (c) thermometer (d) compass
  7. 7.💡 Who gave us raised-dot writing? (a) René Laennec (b) Johannes Gutenberg (c) Alexander Fleming (d) Louis Braille
  8. 8.What does a printing press help us do? (a) measure body temperature (b) print many books (c) do sums quickly (d) talk to people far away
  9. 9.True or false: Edward Jenner gave us the stethoscope. (a) True (b) False
  10. 10.True or false: the Wright brothers gave us raised-dot writing. (a) False (b) True
  11. 11.🔧 Which invention helps us print many books? (a) microscope (b) thermometer (c) printing press (d) telephone
  12. 12.What did Edward Jenner give us? (a) the stethoscope (b) the telephone (c) X-rays (d) the smallpox vaccine
  13. 13.What did René Laennec give us? (a) the first aeroplane (b) the stethoscope (c) the telephone (d) penicillin
  14. 14.True or false: Alexander Graham Bell gave us the stethoscope. (a) False (b) True
  15. 15.💡 Who gave us the printing press? (a) Louis Braille (b) Edward Jenner (c) Johannes Gutenberg (d) Alessandro Volta
  16. 16.What did Alexander Graham Bell give us? (a) the telephone (b) the electric battery (c) the first aeroplane (d) the printing press
  17. 17.What does a telephone help us do? (a) hear the heartbeat (b) see faraway stars (c) see tiny germs (d) talk to people far away
  18. 18.True or false: a compass helps us find directions. (a) False (b) True
  19. 19.🔧 Which invention helps us measure body temperature? (a) compass (b) stethoscope (c) clock (d) thermometer
  20. 20.True or false: Johannes Gutenberg gave us the printing press. (a) False (b) True
  21. 21.What did Louis Braille give us? (a) the electric battery (b) the first aeroplane (c) X-rays (d) raised-dot writing
  22. 22.True or false: Alexander Graham Bell gave us X-rays. (a) False (b) True
  23. 23.True or false: a printing press helps us print many books. (a) True (b) False
  24. 24.What does a compass help us do? (a) measure body temperature (b) tell the time (c) talk to people far away (d) find directions
  25. 25.What does a telescope help us do? (a) see faraway stars (b) hear the heartbeat (c) measure body temperature (d) find directions
  26. 26.True or false: Wilhelm Röntgen gave us X-rays. (a) True (b) False
  27. 27.True or false: Louis Braille gave us X-rays. (a) False (b) True
  28. 28.True or false: Alessandro Volta gave us the electric battery. (a) True (b) False
  29. 29.True or false: the Wright brothers gave us the first aeroplane. (a) True (b) False
  30. 30.🔧 Which invention helps us hear the heartbeat? (a) stethoscope (b) calculator (c) telescope (d) thermometer
  31. 31.What did Alexander Fleming give us? (a) the electric battery (b) the printing press (c) the stethoscope (d) penicillin
  32. 32.True or false: Alexander Graham Bell gave us the telephone. (a) False (b) True
  33. 33.💡 Who gave us the smallpox vaccine? (a) Alexander Fleming (b) Alessandro Volta (c) Wilhelm Röntgen (d) Edward Jenner
  34. 34.True or false: Alexander Graham Bell gave us penicillin. (a) True (b) False
  35. 35.What did Wilhelm Röntgen give us? (a) raised-dot writing (b) X-rays (c) the electric battery (d) the telephone
  36. 36.💡 Who gave us the stethoscope? (a) René Laennec (b) Wilhelm Röntgen (c) Louis Braille (d) Alexander Graham Bell
  37. 37.True or false: a calculator helps us see faraway stars. (a) True (b) False
  38. 38.True or false: Alexander Fleming gave us the smallpox vaccine. (a) False (b) True
  39. 39.💡 Who gave us the electric battery? (a) the Wright brothers (b) Alessandro Volta (c) Alexander Graham Bell (d) René Laennec
  40. 40.True or false: a telescope helps us see faraway stars. (a) True (b) False

Answer key

  1. hear the heartbeat
  2. telescope
  3. True
  4. the first aeroplane
  5. Alexander Graham Bell
  6. compass
  7. Louis Braille
  8. print many books
  9. False
  10. False
  11. printing press
  12. the smallpox vaccine
  13. the stethoscope
  14. False
  15. Johannes Gutenberg
  16. the telephone
  17. talk to people far away
  18. True
  19. thermometer
  20. True
  21. raised-dot writing
  22. False
  23. True
  24. find directions
  25. see faraway stars
  26. True
  27. False
  28. True
  29. True
  30. stethoscope
  31. penicillin
  32. True
  33. Edward Jenner
  34. False
  35. X-rays
  36. René Laennec
  37. False
  38. False
  39. Alessandro Volta
  40. True

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