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Class 4 GK Worksheet: Inventions and Inventors

GK lesson 21: Inventions and inventors · Set 597 · 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 see faraway stars? (a) compass (b) telephone (c) stethoscope (d) telescope
  2. 2.True or false: a calculator helps us do sums quickly. (a) True (b) False
  3. 3.What does a clock help us do? (a) do sums quickly (b) measure body temperature (c) hear the heartbeat (d) tell the time
  4. 4.What does a compass help us do? (a) talk to people far away (b) see tiny germs (c) find directions (d) measure body temperature
  5. 5.🔧 Which invention helps us hear the heartbeat? (a) microscope (b) clock (c) stethoscope (d) telescope
  6. 6.True or false: the Wright brothers gave us the first aeroplane. (a) True (b) False
  7. 7.💡 Who gave us the telephone? (a) Edward Jenner (b) Alessandro Volta (c) Louis Braille (d) Alexander Graham Bell
  8. 8.What does a calculator help us do? (a) tell the time (b) see tiny germs (c) print many books (d) do sums quickly
  9. 9.💡 Who gave us the electric battery? (a) Alessandro Volta (b) René Laennec (c) Johannes Gutenberg (d) Wilhelm Röntgen
  10. 10.What did Wilhelm Röntgen give us? (a) the printing press (b) penicillin (c) X-rays (d) the stethoscope
  11. 11.💡 Who gave us raised-dot writing? (a) Louis Braille (b) René Laennec (c) Alessandro Volta (d) Johannes Gutenberg
  12. 12.True or false: Alexander Fleming gave us the first aeroplane. (a) False (b) True
  13. 13.True or false: a thermometer helps us measure body temperature. (a) False (b) True
  14. 14.💡 Who gave us the stethoscope? (a) Johannes Gutenberg (b) Alexander Graham Bell (c) René Laennec (d) Alessandro Volta
  15. 15.💡 Who gave us penicillin? (a) the Wright brothers (b) Alexander Fleming (c) Wilhelm Röntgen (d) Edward Jenner
  16. 16.💡 Who gave us the first aeroplane? (a) Alexander Graham Bell (b) Alexander Fleming (c) René Laennec (d) the Wright brothers
  17. 17.True or false: a clock helps us tell the time. (a) False (b) True
  18. 18.True or false: Johannes Gutenberg gave us raised-dot writing. (a) True (b) False
  19. 19.True or false: a telescope helps us see faraway stars. (a) False (b) True
  20. 20.True or false: a telephone helps us hear the heartbeat. (a) False (b) True
  21. 21.What did René Laennec give us? (a) the printing press (b) the first aeroplane (c) the telephone (d) the stethoscope
  22. 22.What did the Wright brothers give us? (a) the telephone (b) raised-dot writing (c) penicillin (d) the first aeroplane
  23. 23.💡 Who gave us X-rays? (a) Johannes Gutenberg (b) Alexander Graham Bell (c) the Wright brothers (d) Wilhelm Röntgen
  24. 24.True or false: Louis Braille gave us the telephone. (a) False (b) True
  25. 25.What did Louis Braille give us? (a) penicillin (b) raised-dot writing (c) the electric battery (d) the printing press
  26. 26.🔧 Which invention helps us talk to people far away? (a) stethoscope (b) telephone (c) thermometer (d) printing press
  27. 27.True or false: a microscope helps us see tiny germs. (a) False (b) True
  28. 28.💡 Who gave us the printing press? (a) Edward Jenner (b) Alexander Graham Bell (c) Johannes Gutenberg (d) Louis Braille
  29. 29.What did Alessandro Volta give us? (a) the printing press (b) raised-dot writing (c) X-rays (d) the electric battery
  30. 30.What does a thermometer help us do? (a) hear the heartbeat (b) measure body temperature (c) see tiny germs (d) do sums quickly
  31. 31.True or false: a telescope helps us do sums quickly. (a) False (b) True
  32. 32.True or false: Edward Jenner gave us the smallpox vaccine. (a) False (b) True
  33. 33.🔧 Which invention helps us measure body temperature? (a) telescope (b) clock (c) thermometer (d) calculator
  34. 34.What does a printing press help us do? (a) do sums quickly (b) hear the heartbeat (c) see faraway stars (d) print many books
  35. 35.🔧 Which invention helps us see tiny germs? (a) microscope (b) telescope (c) compass (d) clock
  36. 36.🔧 Which invention helps us do sums quickly? (a) printing press (b) calculator (c) telescope (d) clock
  37. 37.True or false: Alessandro Volta gave us the electric battery. (a) True (b) False
  38. 38.🔧 Which invention helps us tell the time? (a) microscope (b) clock (c) compass (d) thermometer
  39. 39.What did Edward Jenner give us? (a) the first aeroplane (b) X-rays (c) the smallpox vaccine (d) the stethoscope
  40. 40.What did Johannes Gutenberg give us? (a) penicillin (b) the printing press (c) the first aeroplane (d) raised-dot writing

Answer key

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

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