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Class 4 GK Worksheet: Inventions and Inventors

GK lesson 21: Inventions and inventors · Set 464 · 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 the stethoscope? (a) Louis Braille (b) Alexander Fleming (c) Alexander Graham Bell (d) René Laennec
  2. 2.What did Wilhelm Röntgen give us? (a) X-rays (b) the telephone (c) the stethoscope (d) the printing press
  3. 3.True or false: the Wright brothers gave us the printing press. (a) True (b) False
  4. 4.💡 Who gave us the first aeroplane? (a) the Wright brothers (b) Wilhelm Röntgen (c) René Laennec (d) Alexander Graham Bell
  5. 5.What does a calculator help us do? (a) see faraway stars (b) see tiny germs (c) do sums quickly (d) tell the time
  6. 6.💡 Who gave us the electric battery? (a) Johannes Gutenberg (b) Alessandro Volta (c) Louis Braille (d) Wilhelm Röntgen
  7. 7.What does a clock help us do? (a) find directions (b) print many books (c) hear the heartbeat (d) tell the time
  8. 8.What does a microscope help us do? (a) measure body temperature (b) do sums quickly (c) see tiny germs (d) print many books
  9. 9.💡 Who gave us X-rays? (a) Johannes Gutenberg (b) Alessandro Volta (c) Alexander Graham Bell (d) Wilhelm Röntgen
  10. 10.💡 Who gave us the telephone? (a) Alexander Graham Bell (b) René Laennec (c) Alexander Fleming (d) Edward Jenner
  11. 11.🔧 Which invention helps us do sums quickly? (a) microscope (b) telephone (c) compass (d) calculator
  12. 12.What does a telephone help us do? (a) find directions (b) hear the heartbeat (c) talk to people far away (d) see tiny germs
  13. 13.What did Louis Braille give us? (a) raised-dot writing (b) the first aeroplane (c) X-rays (d) the telephone
  14. 14.True or false: Wilhelm Röntgen gave us the stethoscope. (a) False (b) True
  15. 15.💡 Who gave us the smallpox vaccine? (a) Edward Jenner (b) René Laennec (c) the Wright brothers (d) Johannes Gutenberg
  16. 16.True or false: the Wright brothers gave us the first aeroplane. (a) False (b) True
  17. 17.What did Alessandro Volta give us? (a) the telephone (b) the stethoscope (c) the electric battery (d) the smallpox vaccine
  18. 18.True or false: a printing press helps us print many books. (a) False (b) True
  19. 19.What did Alexander Fleming give us? (a) the first aeroplane (b) X-rays (c) the printing press (d) penicillin
  20. 20.💡 Who gave us penicillin? (a) Alessandro Volta (b) Alexander Graham Bell (c) Alexander Fleming (d) Edward Jenner
  21. 21.🔧 Which invention helps us hear the heartbeat? (a) telephone (b) stethoscope (c) telescope (d) calculator
  22. 22.What does a printing press help us do? (a) talk to people far away (b) see tiny germs (c) print many books (d) find directions
  23. 23.What does a telescope help us do? (a) see faraway stars (b) measure body temperature (c) hear the heartbeat (d) see tiny germs
  24. 24.What did Johannes Gutenberg give us? (a) the printing press (b) X-rays (c) raised-dot writing (d) the first aeroplane
  25. 25.💡 Who gave us the printing press? (a) Johannes Gutenberg (b) Edward Jenner (c) Alexander Fleming (d) Wilhelm Röntgen
  26. 26.🔧 Which invention helps us find directions? (a) thermometer (b) telescope (c) stethoscope (d) compass
  27. 27.True or false: Alexander Fleming gave us penicillin. (a) False (b) True
  28. 28.True or false: a compass helps us find directions. (a) False (b) True
  29. 29.🔧 Which invention helps us print many books? (a) telephone (b) stethoscope (c) calculator (d) printing press
  30. 30.True or false: Wilhelm Röntgen gave us X-rays. (a) False (b) True
  31. 31.True or false: a calculator helps us tell the time. (a) True (b) False
  32. 32.What does a thermometer help us do? (a) talk to people far away (b) find directions (c) hear the heartbeat (d) measure body temperature
  33. 33.What did the Wright brothers give us? (a) raised-dot writing (b) the first aeroplane (c) the stethoscope (d) penicillin
  34. 34.True or false: a thermometer helps us measure body temperature. (a) True (b) False
  35. 35.What does a compass help us do? (a) find directions (b) tell the time (c) measure body temperature (d) hear the heartbeat
  36. 36.True or false: a microscope helps us hear the heartbeat. (a) False (b) True
  37. 37.True or false: a clock helps us tell the time. (a) False (b) True
  38. 38.True or false: Johannes Gutenberg gave us the stethoscope. (a) True (b) False
  39. 39.True or false: Edward Jenner gave us penicillin. (a) False (b) True
  40. 40.True or false: Alexander Graham Bell gave us the first aeroplane. (a) False (b) True

Answer key

  1. René Laennec
  2. X-rays
  3. False
  4. the Wright brothers
  5. do sums quickly
  6. Alessandro Volta
  7. tell the time
  8. see tiny germs
  9. Wilhelm Röntgen
  10. Alexander Graham Bell
  11. calculator
  12. talk to people far away
  13. raised-dot writing
  14. False
  15. Edward Jenner
  16. True
  17. the electric battery
  18. True
  19. penicillin
  20. Alexander Fleming
  21. stethoscope
  22. print many books
  23. see faraway stars
  24. the printing press
  25. Johannes Gutenberg
  26. compass
  27. True
  28. True
  29. printing press
  30. True
  31. False
  32. measure body temperature
  33. the first aeroplane
  34. True
  35. find directions
  36. False
  37. True
  38. False
  39. False
  40. False

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