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Class 4 GK Worksheet: Inventions and Inventors

GK lesson 21: Inventions and inventors · Set 845 · 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 printing press helps us hear the heartbeat. (a) True (b) False
  2. 2.🔧 Which invention helps us tell the time? (a) calculator (b) compass (c) clock (d) telescope
  3. 3.True or false: a thermometer helps us measure body temperature. (a) False (b) True
  4. 4.What did Wilhelm Röntgen give us? (a) X-rays (b) penicillin (c) the first aeroplane (d) raised-dot writing
  5. 5.True or false: a compass helps us see faraway stars. (a) False (b) True
  6. 6.True or false: Alexander Fleming gave us X-rays. (a) True (b) False
  7. 7.💡 Who gave us the printing press? (a) the Wright brothers (b) Louis Braille (c) Johannes Gutenberg (d) Alessandro Volta
  8. 8.True or false: a printing press helps us tell the time. (a) True (b) False
  9. 9.True or false: Edward Jenner gave us the telephone. (a) False (b) True
  10. 10.True or false: a printing press helps us print many books. (a) True (b) False
  11. 11.True or false: Louis Braille gave us the telephone. (a) True (b) False
  12. 12.💡 Who gave us X-rays? (a) René Laennec (b) Alessandro Volta (c) Wilhelm Röntgen (d) Alexander Graham Bell
  13. 13.🔧 Which invention helps us do sums quickly? (a) telescope (b) microscope (c) calculator (d) compass
  14. 14.💡 Who gave us the smallpox vaccine? (a) Alexander Graham Bell (b) Wilhelm Röntgen (c) the Wright brothers (d) Edward Jenner
  15. 15.What did Louis Braille give us? (a) the telephone (b) penicillin (c) the first aeroplane (d) raised-dot writing
  16. 16.True or false: Alessandro Volta gave us the telephone. (a) False (b) True
  17. 17.What did Alexander Fleming give us? (a) penicillin (b) the printing press (c) raised-dot writing (d) the electric battery
  18. 18.True or false: Alexander Fleming gave us the smallpox vaccine. (a) False (b) True
  19. 19.True or false: a microscope helps us talk to people far away. (a) True (b) False
  20. 20.💡 Who gave us penicillin? (a) Alessandro Volta (b) René Laennec (c) Alexander Fleming (d) Wilhelm Röntgen
  21. 21.What did Alessandro Volta give us? (a) the electric battery (b) the first aeroplane (c) the telephone (d) the stethoscope
  22. 22.What did Johannes Gutenberg give us? (a) X-rays (b) the first aeroplane (c) raised-dot writing (d) the printing press
  23. 23.💡 Who gave us the telephone? (a) Edward Jenner (b) the Wright brothers (c) Alessandro Volta (d) Alexander Graham Bell
  24. 24.What does a calculator help us do? (a) do sums quickly (b) see tiny germs (c) hear the heartbeat (d) tell the time
  25. 25.🔧 Which invention helps us hear the heartbeat? (a) printing press (b) calculator (c) stethoscope (d) telephone
  26. 26.True or false: Alexander Fleming gave us penicillin. (a) True (b) False
  27. 27.True or false: a telephone helps us talk to people far away. (a) True (b) False
  28. 28.What did René Laennec give us? (a) the electric battery (b) the first aeroplane (c) the stethoscope (d) raised-dot writing
  29. 29.True or false: a clock helps us see faraway stars. (a) True (b) False
  30. 30.What does a printing press help us do? (a) tell the time (b) print many books (c) see faraway stars (d) hear the heartbeat
  31. 31.🔧 Which invention helps us talk to people far away? (a) telescope (b) telephone (c) printing press (d) compass
  32. 32.What does a stethoscope help us do? (a) see tiny germs (b) hear the heartbeat (c) print many books (d) see faraway stars
  33. 33.True or false: Johannes Gutenberg gave us the printing press. (a) False (b) True
  34. 34.💡 Who gave us the stethoscope? (a) Edward Jenner (b) Johannes Gutenberg (c) René Laennec (d) Alexander Graham Bell
  35. 35.What does a clock help us do? (a) tell the time (b) print many books (c) see tiny germs (d) hear the heartbeat
  36. 36.What does a thermometer help us do? (a) measure body temperature (b) talk to people far away (c) hear the heartbeat (d) find directions
  37. 37.What did the Wright brothers give us? (a) X-rays (b) the stethoscope (c) the first aeroplane (d) the smallpox vaccine
  38. 38.What did Alexander Graham Bell give us? (a) the printing press (b) the first aeroplane (c) the smallpox vaccine (d) the telephone
  39. 39.True or false: a thermometer helps us print many books. (a) False (b) True
  40. 40.💡 Who gave us raised-dot writing? (a) Edward Jenner (b) Johannes Gutenberg (c) Alexander Graham Bell (d) Louis Braille

Answer key

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

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