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Class 4 GK Worksheet: Inventions and Inventors

GK lesson 21: Inventions and inventors · Set 785 · 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 do sums quickly? (a) compass (b) printing press (c) microscope (d) calculator
  2. 2.True or false: Louis Braille gave us the smallpox vaccine. (a) True (b) False
  3. 3.🔧 Which invention helps us measure body temperature? (a) printing press (b) stethoscope (c) thermometer (d) microscope
  4. 4.💡 Who gave us the telephone? (a) Wilhelm Röntgen (b) Alexander Graham Bell (c) Alessandro Volta (d) the Wright brothers
  5. 5.What does a stethoscope help us do? (a) find directions (b) talk to people far away (c) hear the heartbeat (d) print many books
  6. 6.💡 Who gave us X-rays? (a) Wilhelm Röntgen (b) Edward Jenner (c) the Wright brothers (d) Alessandro Volta
  7. 7.True or false: Alexander Fleming gave us the first aeroplane. (a) True (b) False
  8. 8.🔧 Which invention helps us see faraway stars? (a) clock (b) printing press (c) calculator (d) telescope
  9. 9.True or false: the Wright brothers gave us the first aeroplane. (a) True (b) False
  10. 10.What does a telescope help us do? (a) hear the heartbeat (b) see faraway stars (c) tell the time (d) do sums quickly
  11. 11.True or false: a telescope helps us see faraway stars. (a) True (b) False
  12. 12.True or false: a telescope helps us tell the time. (a) True (b) False
  13. 13.What did René Laennec give us? (a) the stethoscope (b) the first aeroplane (c) the smallpox vaccine (d) the printing press
  14. 14.What did Wilhelm Röntgen give us? (a) X-rays (b) the first aeroplane (c) the telephone (d) the printing press
  15. 15.🔧 Which invention helps us tell the time? (a) clock (b) thermometer (c) microscope (d) stethoscope
  16. 16.What does a printing press help us do? (a) hear the heartbeat (b) measure body temperature (c) print many books (d) talk to people far away
  17. 17.True or false: a compass helps us print many books. (a) True (b) False
  18. 18.What did the Wright brothers give us? (a) penicillin (b) the first aeroplane (c) the telephone (d) X-rays
  19. 19.True or false: Louis Braille gave us the telephone. (a) True (b) False
  20. 20.💡 Who gave us penicillin? (a) Alessandro Volta (b) Alexander Fleming (c) the Wright brothers (d) Edward Jenner
  21. 21.True or false: a printing press helps us print many books. (a) True (b) False
  22. 22.True or false: Alexander Graham Bell gave us the printing press. (a) True (b) False
  23. 23.True or false: Johannes Gutenberg gave us the stethoscope. (a) True (b) False
  24. 24.What does a telephone help us do? (a) print many books (b) hear the heartbeat (c) see faraway stars (d) talk to people far away
  25. 25.What does a calculator help us do? (a) print many books (b) hear the heartbeat (c) see tiny germs (d) do sums quickly
  26. 26.What did Johannes Gutenberg give us? (a) X-rays (b) the printing press (c) the stethoscope (d) raised-dot writing
  27. 27.True or false: a stethoscope helps us talk to people far away. (a) True (b) False
  28. 28.💡 Who gave us the electric battery? (a) Johannes Gutenberg (b) Alessandro Volta (c) Alexander Fleming (d) Alexander Graham Bell
  29. 29.What did Alessandro Volta give us? (a) the electric battery (b) X-rays (c) the telephone (d) the stethoscope
  30. 30.🔧 Which invention helps us hear the heartbeat? (a) stethoscope (b) calculator (c) telescope (d) microscope
  31. 31.True or false: a clock helps us tell the time. (a) True (b) False
  32. 32.💡 Who gave us the smallpox vaccine? (a) Johannes Gutenberg (b) Wilhelm Röntgen (c) Edward Jenner (d) Louis Braille
  33. 33.What did Edward Jenner give us? (a) the telephone (b) the smallpox vaccine (c) penicillin (d) the stethoscope
  34. 34.🔧 Which invention helps us see tiny germs? (a) thermometer (b) compass (c) stethoscope (d) microscope
  35. 35.True or false: a thermometer helps us measure body temperature. (a) False (b) True
  36. 36.What did Alexander Graham Bell give us? (a) the telephone (b) the first aeroplane (c) penicillin (d) the smallpox vaccine
  37. 37.What did Alexander Fleming give us? (a) penicillin (b) raised-dot writing (c) X-rays (d) the telephone
  38. 38.True or false: Alessandro Volta gave us the electric battery. (a) False (b) True
  39. 39.True or false: Johannes Gutenberg gave us the printing press. (a) False (b) True
  40. 40.🔧 Which invention helps us find directions? (a) telephone (b) clock (c) compass (d) printing press

Answer key

  1. calculator
  2. False
  3. thermometer
  4. Alexander Graham Bell
  5. hear the heartbeat
  6. Wilhelm Röntgen
  7. False
  8. telescope
  9. True
  10. see faraway stars
  11. True
  12. False
  13. the stethoscope
  14. X-rays
  15. clock
  16. print many books
  17. False
  18. the first aeroplane
  19. False
  20. Alexander Fleming
  21. True
  22. False
  23. False
  24. talk to people far away
  25. do sums quickly
  26. the printing press
  27. False
  28. Alessandro Volta
  29. the electric battery
  30. stethoscope
  31. True
  32. Edward Jenner
  33. the smallpox vaccine
  34. microscope
  35. True
  36. the telephone
  37. penicillin
  38. True
  39. True
  40. compass

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