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Class 4 GK Worksheet: Inventions and Inventors

GK lesson 21: Inventions and inventors · Set 512 · 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 smallpox vaccine? (a) René Laennec (b) Edward Jenner (c) Louis Braille (d) Alessandro Volta
  2. 2.True or false: the Wright brothers gave us the first aeroplane. (a) False (b) True
  3. 3.💡 Who gave us the electric battery? (a) Alexander Fleming (b) the Wright brothers (c) Alessandro Volta (d) René Laennec
  4. 4.True or false: Johannes Gutenberg gave us the printing press. (a) True (b) False
  5. 5.🔧 Which invention helps us do sums quickly? (a) calculator (b) microscope (c) thermometer (d) clock
  6. 6.🔧 Which invention helps us print many books? (a) printing press (b) calculator (c) compass (d) telephone
  7. 7.What does a thermometer help us do? (a) hear the heartbeat (b) tell the time (c) see faraway stars (d) measure body temperature
  8. 8.What does a clock help us do? (a) find directions (b) see tiny germs (c) tell the time (d) hear the heartbeat
  9. 9.What did Wilhelm Röntgen give us? (a) the first aeroplane (b) X-rays (c) raised-dot writing (d) the printing press
  10. 10.True or false: Alexander Graham Bell gave us the telephone. (a) False (b) True
  11. 11.True or false: Wilhelm Röntgen gave us X-rays. (a) False (b) True
  12. 12.🔧 Which invention helps us talk to people far away? (a) clock (b) telephone (c) printing press (d) stethoscope
  13. 13.What does a microscope help us do? (a) see faraway stars (b) find directions (c) tell the time (d) see tiny germs
  14. 14.True or false: a thermometer helps us measure body temperature. (a) False (b) True
  15. 15.What did Johannes Gutenberg give us? (a) the printing press (b) the stethoscope (c) X-rays (d) the smallpox vaccine
  16. 16.💡 Who gave us the first aeroplane? (a) the Wright brothers (b) Alexander Graham Bell (c) Edward Jenner (d) Johannes Gutenberg
  17. 17.🔧 Which invention helps us find directions? (a) printing press (b) clock (c) stethoscope (d) compass
  18. 18.What does a printing press help us do? (a) measure body temperature (b) print many books (c) tell the time (d) see faraway stars
  19. 19.What did Edward Jenner give us? (a) the smallpox vaccine (b) the printing press (c) the stethoscope (d) X-rays
  20. 20.True or false: a microscope helps us see tiny germs. (a) False (b) True
  21. 21.True or false: a printing press helps us hear the heartbeat. (a) False (b) True
  22. 22.What did Alessandro Volta give us? (a) the smallpox vaccine (b) the first aeroplane (c) the printing press (d) the electric battery
  23. 23.True or false: a telephone helps us talk to people far away. (a) False (b) True
  24. 24.💡 Who gave us penicillin? (a) Alessandro Volta (b) Alexander Fleming (c) Wilhelm Röntgen (d) Louis Braille
  25. 25.💡 Who gave us the printing press? (a) René Laennec (b) Johannes Gutenberg (c) Louis Braille (d) Alexander Fleming
  26. 26.What did Alexander Graham Bell give us? (a) raised-dot writing (b) the smallpox vaccine (c) the telephone (d) X-rays
  27. 27.True or false: a microscope helps us see faraway stars. (a) False (b) True
  28. 28.True or false: a compass helps us measure body temperature. (a) True (b) False
  29. 29.What did the Wright brothers give us? (a) penicillin (b) the telephone (c) the first aeroplane (d) X-rays
  30. 30.💡 Who gave us X-rays? (a) Louis Braille (b) René Laennec (c) Alexander Graham Bell (d) Wilhelm Röntgen
  31. 31.True or false: René Laennec gave us the stethoscope. (a) True (b) False
  32. 32.True or false: a stethoscope helps us hear the heartbeat. (a) False (b) True
  33. 33.True or false: a clock helps us see tiny germs. (a) True (b) False
  34. 34.What does a compass help us do? (a) talk to people far away (b) measure body temperature (c) find directions (d) tell the time
  35. 35.What does a calculator help us do? (a) hear the heartbeat (b) see tiny germs (c) print many books (d) do sums quickly
  36. 36.🔧 Which invention helps us see faraway stars? (a) clock (b) compass (c) thermometer (d) telescope
  37. 37.What did Alexander Fleming give us? (a) penicillin (b) the telephone (c) the first aeroplane (d) the smallpox vaccine
  38. 38.True or false: a calculator helps us measure body temperature. (a) True (b) False
  39. 39.🔧 Which invention helps us measure body temperature? (a) clock (b) calculator (c) thermometer (d) printing press
  40. 40.💡 Who gave us raised-dot writing? (a) Edward Jenner (b) Alexander Graham Bell (c) Louis Braille (d) Alexander Fleming

Answer key

  1. Edward Jenner
  2. True
  3. Alessandro Volta
  4. True
  5. calculator
  6. printing press
  7. measure body temperature
  8. tell the time
  9. X-rays
  10. True
  11. True
  12. telephone
  13. see tiny germs
  14. True
  15. the printing press
  16. the Wright brothers
  17. compass
  18. print many books
  19. the smallpox vaccine
  20. True
  21. False
  22. the electric battery
  23. True
  24. Alexander Fleming
  25. Johannes Gutenberg
  26. the telephone
  27. False
  28. False
  29. the first aeroplane
  30. Wilhelm Röntgen
  31. True
  32. True
  33. False
  34. find directions
  35. do sums quickly
  36. telescope
  37. penicillin
  38. False
  39. thermometer
  40. Louis Braille

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