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Class 4 GK Worksheet: Inventions and Inventors

GK lesson 21: Inventions and inventors · Set 616 · 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 talk to people far away? (a) thermometer (b) telephone (c) calculator (d) stethoscope
  2. 2.🔧 Which invention helps us hear the heartbeat? (a) clock (b) telephone (c) compass (d) stethoscope
  3. 3.💡 Who gave us the stethoscope? (a) Louis Braille (b) Alexander Fleming (c) René Laennec (d) the Wright brothers
  4. 4.True or false: a printing press helps us print many books. (a) True (b) False
  5. 5.What did Louis Braille give us? (a) raised-dot writing (b) the stethoscope (c) the smallpox vaccine (d) penicillin
  6. 6.True or false: a telephone helps us talk to people far away. (a) True (b) False
  7. 7.What does a clock help us do? (a) talk to people far away (b) tell the time (c) hear the heartbeat (d) print many books
  8. 8.What did René Laennec give us? (a) the telephone (b) the stethoscope (c) the printing press (d) raised-dot writing
  9. 9.What does a stethoscope help us do? (a) see faraway stars (b) hear the heartbeat (c) print many books (d) do sums quickly
  10. 10.True or false: a telescope helps us see faraway stars. (a) True (b) False
  11. 11.True or false: Alexander Fleming gave us the smallpox vaccine. (a) True (b) False
  12. 12.🔧 Which invention helps us do sums quickly? (a) calculator (b) clock (c) microscope (d) telephone
  13. 13.What does a telescope help us do? (a) talk to people far away (b) print many books (c) find directions (d) see faraway stars
  14. 14.True or false: a compass helps us find directions. (a) False (b) True
  15. 15.What does a microscope help us do? (a) print many books (b) measure body temperature (c) tell the time (d) see tiny germs
  16. 16.💡 Who gave us the first aeroplane? (a) René Laennec (b) the Wright brothers (c) Alexander Graham Bell (d) Edward Jenner
  17. 17.True or false: a compass helps us see tiny germs. (a) True (b) False
  18. 18.True or false: Alessandro Volta gave us the electric battery. (a) True (b) False
  19. 19.True or false: a calculator helps us measure body temperature. (a) False (b) True
  20. 20.What does a printing press help us do? (a) find directions (b) print many books (c) see faraway stars (d) tell the time
  21. 21.What does a calculator help us do? (a) hear the heartbeat (b) measure body temperature (c) do sums quickly (d) find directions
  22. 22.What does a telephone help us do? (a) print many books (b) talk to people far away (c) measure body temperature (d) hear the heartbeat
  23. 23.💡 Who gave us raised-dot writing? (a) Louis Braille (b) René Laennec (c) Alessandro Volta (d) Alexander Graham Bell
  24. 24.💡 Who gave us the electric battery? (a) René Laennec (b) Alessandro Volta (c) Louis Braille (d) the Wright brothers
  25. 25.True or false: Alexander Graham Bell gave us the telephone. (a) False (b) True
  26. 26.🔧 Which invention helps us print many books? (a) microscope (b) printing press (c) telephone (d) calculator
  27. 27.True or false: a thermometer helps us measure body temperature. (a) True (b) False
  28. 28.True or false: Johannes Gutenberg gave us the printing press. (a) True (b) False
  29. 29.What did Alexander Graham Bell give us? (a) X-rays (b) the telephone (c) raised-dot writing (d) the first aeroplane
  30. 30.💡 Who gave us the smallpox vaccine? (a) Edward Jenner (b) René Laennec (c) the Wright brothers (d) Louis Braille
  31. 31.🔧 Which invention helps us find directions? (a) telescope (b) compass (c) printing press (d) calculator
  32. 32.💡 Who gave us X-rays? (a) Wilhelm Röntgen (b) René Laennec (c) the Wright brothers (d) Louis Braille
  33. 33.🔧 Which invention helps us see tiny germs? (a) telescope (b) microscope (c) telephone (d) clock
  34. 34.💡 Who gave us the telephone? (a) Johannes Gutenberg (b) Alexander Graham Bell (c) Alexander Fleming (d) Alessandro Volta
  35. 35.What does a thermometer help us do? (a) see faraway stars (b) hear the heartbeat (c) measure body temperature (d) talk to people far away
  36. 36.What did Johannes Gutenberg give us? (a) the electric battery (b) the telephone (c) the printing press (d) raised-dot writing
  37. 37.What does a compass help us do? (a) talk to people far away (b) find directions (c) print many books (d) hear the heartbeat
  38. 38.True or false: a compass helps us tell the time. (a) False (b) True
  39. 39.True or false: the Wright brothers gave us the first aeroplane. (a) False (b) True
  40. 40.True or false: Wilhelm Röntgen gave us the printing press. (a) False (b) True

Answer key

  1. telephone
  2. stethoscope
  3. René Laennec
  4. True
  5. raised-dot writing
  6. True
  7. tell the time
  8. the stethoscope
  9. hear the heartbeat
  10. True
  11. False
  12. calculator
  13. see faraway stars
  14. True
  15. see tiny germs
  16. the Wright brothers
  17. False
  18. True
  19. False
  20. print many books
  21. do sums quickly
  22. talk to people far away
  23. Louis Braille
  24. Alessandro Volta
  25. True
  26. printing press
  27. True
  28. True
  29. the telephone
  30. Edward Jenner
  31. compass
  32. Wilhelm Röntgen
  33. microscope
  34. Alexander Graham Bell
  35. measure body temperature
  36. the printing press
  37. find directions
  38. False
  39. True
  40. False

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