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Class 4 GK Worksheet: Inventions and Inventors

GK lesson 21: Inventions and inventors · Set 923 · 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: René Laennec gave us the stethoscope. (a) False (b) True
  2. 2.True or false: Edward Jenner gave us the first aeroplane. (a) True (b) False
  3. 3.True or false: a telephone helps us talk to people far away. (a) True (b) False
  4. 4.True or false: a calculator helps us talk to people far away. (a) False (b) True
  5. 5.True or false: Johannes Gutenberg gave us the printing press. (a) False (b) True
  6. 6.💡 Who gave us X-rays? (a) Wilhelm Röntgen (b) Alessandro Volta (c) Johannes Gutenberg (d) Edward Jenner
  7. 7.True or false: a telephone helps us measure body temperature. (a) True (b) False
  8. 8.True or false: a compass helps us tell the time. (a) True (b) False
  9. 9.True or false: Louis Braille gave us the printing press. (a) False (b) True
  10. 10.💡 Who gave us penicillin? (a) Alexander Graham Bell (b) Johannes Gutenberg (c) the Wright brothers (d) Alexander Fleming
  11. 11.💡 Who gave us the telephone? (a) Wilhelm Röntgen (b) Louis Braille (c) Alexander Fleming (d) Alexander Graham Bell
  12. 12.💡 Who gave us the stethoscope? (a) Johannes Gutenberg (b) the Wright brothers (c) René Laennec (d) Louis Braille
  13. 13.What did Alessandro Volta give us? (a) the printing press (b) X-rays (c) penicillin (d) the electric battery
  14. 14.💡 Who gave us the first aeroplane? (a) Edward Jenner (b) the Wright brothers (c) Wilhelm Röntgen (d) Alexander Fleming
  15. 15.True or false: a stethoscope helps us hear the heartbeat. (a) True (b) False
  16. 16.True or false: Louis Braille gave us the smallpox vaccine. (a) True (b) False
  17. 17.🔧 Which invention helps us hear the heartbeat? (a) compass (b) calculator (c) stethoscope (d) thermometer
  18. 18.💡 Who gave us the printing press? (a) René Laennec (b) Johannes Gutenberg (c) Louis Braille (d) Alessandro Volta
  19. 19.What did Louis Braille give us? (a) penicillin (b) the first aeroplane (c) raised-dot writing (d) the telephone
  20. 20.True or false: a thermometer helps us measure body temperature. (a) True (b) False
  21. 21.What did Edward Jenner give us? (a) the electric battery (b) penicillin (c) raised-dot writing (d) the smallpox vaccine
  22. 22.What did René Laennec give us? (a) the telephone (b) the stethoscope (c) the electric battery (d) penicillin
  23. 23.True or false: Alexander Graham Bell gave us the telephone. (a) True (b) False
  24. 24.💡 Who gave us raised-dot writing? (a) René Laennec (b) Alexander Graham Bell (c) Louis Braille (d) Wilhelm Röntgen
  25. 25.What does a compass help us do? (a) find directions (b) print many books (c) do sums quickly (d) see tiny germs
  26. 26.🔧 Which invention helps us print many books? (a) clock (b) calculator (c) printing press (d) stethoscope
  27. 27.What does a telephone help us do? (a) tell the time (b) see faraway stars (c) talk to people far away (d) do sums quickly
  28. 28.True or false: René Laennec gave us X-rays. (a) True (b) False
  29. 29.What did Wilhelm Röntgen give us? (a) the printing press (b) the telephone (c) X-rays (d) penicillin
  30. 30.True or false: a compass helps us find directions. (a) True (b) False
  31. 31.What does a microscope help us do? (a) see tiny germs (b) hear the heartbeat (c) find directions (d) talk to people far away
  32. 32.What did Alexander Graham Bell give us? (a) the printing press (b) the stethoscope (c) X-rays (d) the telephone
  33. 33.What does a stethoscope help us do? (a) tell the time (b) hear the heartbeat (c) measure body temperature (d) see faraway stars
  34. 34.🔧 Which invention helps us talk to people far away? (a) clock (b) telescope (c) telephone (d) printing press
  35. 35.What did Johannes Gutenberg give us? (a) the stethoscope (b) the printing press (c) penicillin (d) raised-dot writing
  36. 36.True or false: Louis Braille gave us X-rays. (a) False (b) True
  37. 37.🔧 Which invention helps us measure body temperature? (a) clock (b) stethoscope (c) thermometer (d) printing press
  38. 38.True or false: a microscope helps us see tiny germs. (a) True (b) False
  39. 39.💡 Who gave us the electric battery? (a) the Wright brothers (b) Alessandro Volta (c) Alexander Fleming (d) Wilhelm Röntgen
  40. 40.True or false: a telescope helps us see faraway stars. (a) False (b) True

Answer key

  1. True
  2. False
  3. True
  4. False
  5. True
  6. Wilhelm Röntgen
  7. False
  8. False
  9. False
  10. Alexander Fleming
  11. Alexander Graham Bell
  12. René Laennec
  13. the electric battery
  14. the Wright brothers
  15. True
  16. False
  17. stethoscope
  18. Johannes Gutenberg
  19. raised-dot writing
  20. True
  21. the smallpox vaccine
  22. the stethoscope
  23. True
  24. Louis Braille
  25. find directions
  26. printing press
  27. talk to people far away
  28. False
  29. X-rays
  30. True
  31. see tiny germs
  32. the telephone
  33. hear the heartbeat
  34. telephone
  35. the printing press
  36. False
  37. thermometer
  38. True
  39. Alessandro Volta
  40. True

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