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Class 4 GK Worksheet: Inventions and Inventors

GK lesson 21: Inventions and inventors · Set 502 · 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.💡 Who gave us X-rays? (a) Alessandro Volta (b) the Wright brothers (c) Wilhelm Röntgen (d) René Laennec
  2. 2.What did Louis Braille give us? (a) X-rays (b) the stethoscope (c) raised-dot writing (d) the smallpox vaccine
  3. 3.What did the Wright brothers give us? (a) the telephone (b) the printing press (c) the first aeroplane (d) X-rays
  4. 4.True or false: Johannes Gutenberg gave us X-rays. (a) False (b) True
  5. 5.True or false: a stethoscope helps us hear the heartbeat. (a) False (b) True
  6. 6.💡 Who gave us raised-dot writing? (a) Alexander Graham Bell (b) René Laennec (c) Louis Braille (d) the Wright brothers
  7. 7.What did Alessandro Volta give us? (a) the smallpox vaccine (b) the printing press (c) the telephone (d) the electric battery
  8. 8.True or false: Wilhelm Röntgen gave us X-rays. (a) True (b) False
  9. 9.True or false: René Laennec gave us the stethoscope. (a) True (b) False
  10. 10.What did Alexander Graham Bell give us? (a) the printing press (b) the telephone (c) the stethoscope (d) the smallpox vaccine
  11. 11.💡 Who gave us the stethoscope? (a) the Wright brothers (b) René Laennec (c) Alexander Graham Bell (d) Edward Jenner
  12. 12.True or false: the Wright brothers gave us the first aeroplane. (a) True (b) False
  13. 13.🔧 Which invention helps us see tiny germs? (a) clock (b) printing press (c) compass (d) microscope
  14. 14.What did Johannes Gutenberg give us? (a) the telephone (b) X-rays (c) the first aeroplane (d) the printing press
  15. 15.What does a microscope help us do? (a) measure body temperature (b) find directions (c) see tiny germs (d) talk to people far away
  16. 16.🔧 Which invention helps us see faraway stars? (a) microscope (b) telescope (c) thermometer (d) stethoscope
  17. 17.What does a calculator help us do? (a) measure body temperature (b) find directions (c) see tiny germs (d) do sums quickly
  18. 18.True or false: a telephone helps us talk to people far away. (a) False (b) True
  19. 19.True or false: Alexander Fleming gave us penicillin. (a) True (b) False
  20. 20.True or false: Johannes Gutenberg gave us the smallpox vaccine. (a) False (b) True
  21. 21.🔧 Which invention helps us do sums quickly? (a) thermometer (b) compass (c) calculator (d) microscope
  22. 22.True or false: a compass helps us find directions. (a) True (b) False
  23. 23.What did Wilhelm Röntgen give us? (a) X-rays (b) raised-dot writing (c) the first aeroplane (d) the electric battery
  24. 24.🔧 Which invention helps us hear the heartbeat? (a) clock (b) telescope (c) calculator (d) stethoscope
  25. 25.What does a compass help us do? (a) tell the time (b) hear the heartbeat (c) find directions (d) talk to people far away
  26. 26.🔧 Which invention helps us talk to people far away? (a) stethoscope (b) thermometer (c) microscope (d) telephone
  27. 27.True or false: a microscope helps us tell the time. (a) True (b) False
  28. 28.🔧 Which invention helps us print many books? (a) thermometer (b) stethoscope (c) printing press (d) telescope
  29. 29.What did René Laennec give us? (a) the printing press (b) the stethoscope (c) the electric battery (d) the first aeroplane
  30. 30.💡 Who gave us the telephone? (a) Johannes Gutenberg (b) Alexander Graham Bell (c) Wilhelm Röntgen (d) René Laennec
  31. 31.💡 Who gave us penicillin? (a) Johannes Gutenberg (b) Alexander Fleming (c) René Laennec (d) Wilhelm Röntgen
  32. 32.True or false: a compass helps us talk to people far away. (a) False (b) True
  33. 33.True or false: a telephone helps us hear the heartbeat. (a) True (b) False
  34. 34.True or false: a printing press helps us print many books. (a) False (b) True
  35. 35.True or false: Alessandro Volta gave us the electric battery. (a) True (b) False
  36. 36.True or false: a stethoscope helps us do sums quickly. (a) False (b) True
  37. 37.True or false: Louis Braille gave us penicillin. (a) True (b) False
  38. 38.💡 Who gave us the electric battery? (a) Johannes Gutenberg (b) René Laennec (c) Alessandro Volta (d) Alexander Fleming
  39. 39.What does a telescope help us do? (a) see tiny germs (b) talk to people far away (c) hear the heartbeat (d) see faraway stars
  40. 40.What did Alexander Fleming give us? (a) the first aeroplane (b) the electric battery (c) penicillin (d) the printing press

Answer key

  1. Wilhelm Röntgen
  2. raised-dot writing
  3. the first aeroplane
  4. False
  5. True
  6. Louis Braille
  7. the electric battery
  8. True
  9. True
  10. the telephone
  11. René Laennec
  12. True
  13. microscope
  14. the printing press
  15. see tiny germs
  16. telescope
  17. do sums quickly
  18. True
  19. True
  20. False
  21. calculator
  22. True
  23. X-rays
  24. stethoscope
  25. find directions
  26. telephone
  27. False
  28. printing press
  29. the stethoscope
  30. Alexander Graham Bell
  31. Alexander Fleming
  32. False
  33. False
  34. True
  35. True
  36. False
  37. False
  38. Alessandro Volta
  39. see faraway stars
  40. penicillin

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