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Class 4 GK Worksheet: Inventions and Inventors

GK lesson 21: Inventions and inventors · Set 822 · 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 see tiny germs. (a) False (b) True
  2. 2.What did Alexander Graham Bell give us? (a) the telephone (b) penicillin (c) X-rays (d) the first aeroplane
  3. 3.🔧 Which invention helps us tell the time? (a) calculator (b) telephone (c) compass (d) clock
  4. 4.💡 Who gave us the electric battery? (a) Edward Jenner (b) René Laennec (c) Wilhelm Röntgen (d) Alessandro Volta
  5. 5.What did Johannes Gutenberg give us? (a) the electric battery (b) raised-dot writing (c) the stethoscope (d) the printing press
  6. 6.What does a telephone help us do? (a) do sums quickly (b) hear the heartbeat (c) tell the time (d) talk to people far away
  7. 7.💡 Who gave us X-rays? (a) Wilhelm Röntgen (b) Louis Braille (c) Alexander Fleming (d) Johannes Gutenberg
  8. 8.True or false: a printing press helps us print many books. (a) True (b) False
  9. 9.True or false: Alexander Graham Bell gave us the telephone. (a) False (b) True
  10. 10.💡 Who gave us the printing press? (a) Louis Braille (b) Johannes Gutenberg (c) Alessandro Volta (d) René Laennec
  11. 11.What does a stethoscope help us do? (a) see faraway stars (b) find directions (c) hear the heartbeat (d) see tiny germs
  12. 12.What does a thermometer help us do? (a) see tiny germs (b) hear the heartbeat (c) do sums quickly (d) measure body temperature
  13. 13.🔧 Which invention helps us talk to people far away? (a) telephone (b) microscope (c) clock (d) thermometer
  14. 14.True or false: a calculator helps us see faraway stars. (a) True (b) False
  15. 15.True or false: Edward Jenner gave us the smallpox vaccine. (a) False (b) True
  16. 16.💡 Who gave us the telephone? (a) the Wright brothers (b) Edward Jenner (c) Alexander Graham Bell (d) Johannes Gutenberg
  17. 17.💡 Who gave us raised-dot writing? (a) René Laennec (b) Edward Jenner (c) Alexander Graham Bell (d) Louis Braille
  18. 18.🔧 Which invention helps us do sums quickly? (a) printing press (b) calculator (c) thermometer (d) telescope
  19. 19.True or false: a calculator helps us see tiny germs. (a) False (b) True
  20. 20.🔧 Which invention helps us see faraway stars? (a) compass (b) stethoscope (c) telescope (d) printing press
  21. 21.💡 Who gave us the first aeroplane? (a) Alessandro Volta (b) Louis Braille (c) the Wright brothers (d) Alexander Graham Bell
  22. 22.🔧 Which invention helps us hear the heartbeat? (a) stethoscope (b) microscope (c) calculator (d) telephone
  23. 23.What does a telescope help us do? (a) talk to people far away (b) see faraway stars (c) hear the heartbeat (d) see tiny germs
  24. 24.True or false: Louis Braille gave us raised-dot writing. (a) True (b) False
  25. 25.True or false: Alessandro Volta gave us the smallpox vaccine. (a) False (b) True
  26. 26.What did René Laennec give us? (a) the stethoscope (b) the smallpox vaccine (c) the printing press (d) penicillin
  27. 27.What did the Wright brothers give us? (a) the printing press (b) X-rays (c) the first aeroplane (d) the telephone
  28. 28.💡 Who gave us the smallpox vaccine? (a) Louis Braille (b) Wilhelm Röntgen (c) Alexander Graham Bell (d) Edward Jenner
  29. 29.What did Edward Jenner give us? (a) X-rays (b) raised-dot writing (c) the smallpox vaccine (d) penicillin
  30. 30.🔧 Which invention helps us see tiny germs? (a) stethoscope (b) printing press (c) microscope (d) calculator
  31. 31.What does a compass help us do? (a) find directions (b) see faraway stars (c) do sums quickly (d) tell the time
  32. 32.True or false: a clock helps us tell the time. (a) False (b) True
  33. 33.True or false: Alessandro Volta gave us the telephone. (a) False (b) True
  34. 34.🔧 Which invention helps us find directions? (a) compass (b) microscope (c) stethoscope (d) thermometer
  35. 35.True or false: a stethoscope helps us tell the time. (a) True (b) False
  36. 36.What does a calculator help us do? (a) see faraway stars (b) tell the time (c) do sums quickly (d) find directions
  37. 37.What does a clock help us do? (a) find directions (b) talk to people far away (c) tell the time (d) hear the heartbeat
  38. 38.True or false: a printing press helps us hear the heartbeat. (a) True (b) False
  39. 39.💡 Who gave us the stethoscope? (a) Johannes Gutenberg (b) Louis Braille (c) Alexander Graham Bell (d) René Laennec
  40. 40.What does a microscope help us do? (a) hear the heartbeat (b) measure body temperature (c) see tiny germs (d) print many books

Answer key

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

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