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Class 4 GK Worksheet: Inventions and Inventors

GK lesson 21: Inventions and inventors · Set 764 · 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 find directions? (a) calculator (b) clock (c) telephone (d) compass
  2. 2.True or false: a compass helps us do sums quickly. (a) True (b) False
  3. 3.💡 Who gave us the electric battery? (a) Alexander Fleming (b) Johannes Gutenberg (c) the Wright brothers (d) Alessandro Volta
  4. 4.True or false: a calculator helps us do sums quickly. (a) True (b) False
  5. 5.What did René Laennec give us? (a) the smallpox vaccine (b) raised-dot writing (c) the stethoscope (d) the first aeroplane
  6. 6.True or false: a calculator helps us measure body temperature. (a) True (b) False
  7. 7.True or false: Edward Jenner gave us the printing press. (a) True (b) False
  8. 8.💡 Who gave us the printing press? (a) Johannes Gutenberg (b) Alessandro Volta (c) Edward Jenner (d) Alexander Graham Bell
  9. 9.True or false: Alexander Graham Bell gave us the telephone. (a) False (b) True
  10. 10.What did Alessandro Volta give us? (a) the printing press (b) the telephone (c) penicillin (d) the electric battery
  11. 11.🔧 Which invention helps us hear the heartbeat? (a) thermometer (b) stethoscope (c) telephone (d) telescope
  12. 12.True or false: René Laennec gave us X-rays. (a) False (b) True
  13. 13.What does a telephone help us do? (a) do sums quickly (b) talk to people far away (c) see faraway stars (d) print many books
  14. 14.💡 Who gave us the telephone? (a) Alessandro Volta (b) Edward Jenner (c) Alexander Graham Bell (d) Johannes Gutenberg
  15. 15.What did Wilhelm Röntgen give us? (a) X-rays (b) the printing press (c) penicillin (d) the stethoscope
  16. 16.What did Edward Jenner give us? (a) the electric battery (b) X-rays (c) raised-dot writing (d) the smallpox vaccine
  17. 17.What does a microscope help us do? (a) measure body temperature (b) see tiny germs (c) see faraway stars (d) do sums quickly
  18. 18.🔧 Which invention helps us see faraway stars? (a) printing press (b) compass (c) clock (d) telescope
  19. 19.💡 Who gave us the first aeroplane? (a) Louis Braille (b) Johannes Gutenberg (c) Edward Jenner (d) the Wright brothers
  20. 20.What does a telescope help us do? (a) see faraway stars (b) measure body temperature (c) see tiny germs (d) find directions
  21. 21.True or false: a stethoscope helps us print many books. (a) False (b) True
  22. 22.💡 Who gave us the stethoscope? (a) Louis Braille (b) Alessandro Volta (c) Wilhelm Röntgen (d) René Laennec
  23. 23.What does a thermometer help us do? (a) measure body temperature (b) see tiny germs (c) hear the heartbeat (d) print many books
  24. 24.What did the Wright brothers give us? (a) penicillin (b) raised-dot writing (c) the first aeroplane (d) the printing press
  25. 25.🔧 Which invention helps us tell the time? (a) printing press (b) clock (c) calculator (d) stethoscope
  26. 26.True or false: a calculator helps us see tiny germs. (a) False (b) True
  27. 27.True or false: a stethoscope helps us see faraway stars. (a) True (b) False
  28. 28.True or false: Alessandro Volta gave us the electric battery. (a) True (b) False
  29. 29.True or false: a thermometer helps us hear the heartbeat. (a) False (b) True
  30. 30.💡 Who gave us penicillin? (a) the Wright brothers (b) René Laennec (c) Alexander Fleming (d) Alessandro Volta
  31. 31.True or false: a compass helps us print many books. (a) True (b) False
  32. 32.What did Alexander Graham Bell give us? (a) the smallpox vaccine (b) the telephone (c) X-rays (d) raised-dot writing
  33. 33.True or false: the Wright brothers gave us the first aeroplane. (a) False (b) True
  34. 34.True or false: a clock helps us hear the heartbeat. (a) False (b) True
  35. 35.True or false: Alexander Graham Bell gave us penicillin. (a) True (b) False
  36. 36.🔧 Which invention helps us see tiny germs? (a) clock (b) stethoscope (c) microscope (d) telescope
  37. 37.What does a compass help us do? (a) do sums quickly (b) talk to people far away (c) find directions (d) tell the time
  38. 38.What did Johannes Gutenberg give us? (a) the electric battery (b) the printing press (c) X-rays (d) raised-dot writing
  39. 39.What does a calculator help us do? (a) talk to people far away (b) measure body temperature (c) see tiny germs (d) do sums quickly
  40. 40.🔧 Which invention helps us talk to people far away? (a) telephone (b) telescope (c) thermometer (d) clock

Answer key

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

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