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Class 4 GK Worksheet: Inventions and Inventors

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

Answer key

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

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