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Class 4 GK Worksheet: Inventions and Inventors

GK lesson 21: Inventions and inventors · Set 344 · 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: a microscope helps us measure body temperature. (a) True (b) False
  2. 2.What does a compass help us do? (a) talk to people far away (b) find directions (c) see faraway stars (d) do sums quickly
  3. 3.What does a telescope help us do? (a) see tiny germs (b) tell the time (c) see faraway stars (d) measure body temperature
  4. 4.What did Alexander Fleming give us? (a) penicillin (b) the stethoscope (c) the smallpox vaccine (d) X-rays
  5. 5.What did the Wright brothers give us? (a) raised-dot writing (b) the stethoscope (c) the first aeroplane (d) X-rays
  6. 6.True or false: a calculator helps us talk to people far away. (a) True (b) False
  7. 7.🔧 Which invention helps us find directions? (a) thermometer (b) compass (c) calculator (d) clock
  8. 8.🔧 Which invention helps us tell the time? (a) clock (b) microscope (c) compass (d) telephone
  9. 9.True or false: Alexander Graham Bell gave us raised-dot writing. (a) False (b) True
  10. 10.💡 Who gave us the telephone? (a) the Wright brothers (b) René Laennec (c) Alexander Fleming (d) Alexander Graham Bell
  11. 11.💡 Who gave us raised-dot writing? (a) Edward Jenner (b) Louis Braille (c) Alessandro Volta (d) Alexander Graham Bell
  12. 12.💡 Who gave us the first aeroplane? (a) Alexander Graham Bell (b) Wilhelm Röntgen (c) the Wright brothers (d) Louis Braille
  13. 13.True or false: Alexander Fleming gave us X-rays. (a) True (b) False
  14. 14.🔧 Which invention helps us see tiny germs? (a) microscope (b) compass (c) calculator (d) telephone
  15. 15.🔧 Which invention helps us talk to people far away? (a) telephone (b) clock (c) calculator (d) telescope
  16. 16.True or false: Alexander Fleming gave us penicillin. (a) True (b) False
  17. 17.What did Alexander Graham Bell give us? (a) the smallpox vaccine (b) the printing press (c) X-rays (d) the telephone
  18. 18.What did Johannes Gutenberg give us? (a) raised-dot writing (b) the first aeroplane (c) the telephone (d) the printing press
  19. 19.What did Wilhelm Röntgen give us? (a) X-rays (b) the first aeroplane (c) the printing press (d) the telephone
  20. 20.What does a thermometer help us do? (a) print many books (b) see faraway stars (c) measure body temperature (d) talk to people far away
  21. 21.What does a printing press help us do? (a) talk to people far away (b) tell the time (c) see tiny germs (d) print many books
  22. 22.🔧 Which invention helps us do sums quickly? (a) thermometer (b) compass (c) calculator (d) stethoscope
  23. 23.🔧 Which invention helps us see faraway stars? (a) microscope (b) telephone (c) telescope (d) thermometer
  24. 24.💡 Who gave us X-rays? (a) Louis Braille (b) Wilhelm Röntgen (c) Alexander Fleming (d) the Wright brothers
  25. 25.True or false: a printing press helps us print many books. (a) False (b) True
  26. 26.💡 Who gave us the smallpox vaccine? (a) Alessandro Volta (b) Alexander Fleming (c) Edward Jenner (d) Alexander Graham Bell
  27. 27.True or false: a microscope helps us find directions. (a) True (b) False
  28. 28.What does a stethoscope help us do? (a) measure body temperature (b) hear the heartbeat (c) talk to people far away (d) see tiny germs
  29. 29.True or false: René Laennec gave us the stethoscope. (a) False (b) True
  30. 30.True or false: Wilhelm Röntgen gave us X-rays. (a) False (b) True
  31. 31.💡 Who gave us the stethoscope? (a) Edward Jenner (b) Wilhelm Röntgen (c) René Laennec (d) Louis Braille
  32. 32.💡 Who gave us the electric battery? (a) Alessandro Volta (b) Wilhelm Röntgen (c) Alexander Fleming (d) Louis Braille
  33. 33.True or false: a telephone helps us do sums quickly. (a) False (b) True
  34. 34.True or false: a thermometer helps us see tiny germs. (a) False (b) True
  35. 35.True or false: a thermometer helps us measure body temperature. (a) False (b) True
  36. 36.True or false: a printing press helps us talk to people far away. (a) False (b) True
  37. 37.True or false: Edward Jenner gave us the smallpox vaccine. (a) False (b) True
  38. 38.True or false: a telephone helps us see tiny germs. (a) True (b) False
  39. 39.True or false: the Wright brothers gave us the electric battery. (a) False (b) True
  40. 40.True or false: Alexander Graham Bell gave us the telephone. (a) False (b) True

Answer key

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

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