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Class 4 GK Worksheet: Inventions and Inventors

GK lesson 21: Inventions and inventors · Set 936 · 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: Wilhelm Röntgen gave us X-rays. (a) True (b) False
  2. 2.What did René Laennec give us? (a) the first aeroplane (b) the stethoscope (c) the electric battery (d) the printing press
  3. 3.💡 Who gave us the smallpox vaccine? (a) Johannes Gutenberg (b) Alessandro Volta (c) René Laennec (d) Edward Jenner
  4. 4.True or false: a clock helps us tell the time. (a) False (b) True
  5. 5.🔧 Which invention helps us see tiny germs? (a) compass (b) telescope (c) stethoscope (d) microscope
  6. 6.True or false: Johannes Gutenberg gave us the first aeroplane. (a) True (b) False
  7. 7.🔧 Which invention helps us see faraway stars? (a) calculator (b) compass (c) telescope (d) telephone
  8. 8.🔧 Which invention helps us tell the time? (a) printing press (b) clock (c) thermometer (d) microscope
  9. 9.💡 Who gave us the electric battery? (a) Wilhelm Röntgen (b) Alessandro Volta (c) Louis Braille (d) Alexander Graham Bell
  10. 10.True or false: Louis Braille gave us X-rays. (a) True (b) False
  11. 11.True or false: a microscope helps us hear the heartbeat. (a) True (b) False
  12. 12.True or false: a stethoscope helps us hear the heartbeat. (a) True (b) False
  13. 13.True or false: Alexander Fleming gave us penicillin. (a) False (b) True
  14. 14.True or false: a telephone helps us hear the heartbeat. (a) True (b) False
  15. 15.True or false: Johannes Gutenberg gave us the printing press. (a) True (b) False
  16. 16.What did Louis Braille give us? (a) penicillin (b) raised-dot writing (c) the electric battery (d) the smallpox vaccine
  17. 17.What does a compass help us do? (a) tell the time (b) measure body temperature (c) print many books (d) find directions
  18. 18.True or false: a telescope helps us see faraway stars. (a) True (b) False
  19. 19.What does a telephone help us do? (a) talk to people far away (b) see tiny germs (c) do sums quickly (d) find directions
  20. 20.What did Alessandro Volta give us? (a) the electric battery (b) penicillin (c) the first aeroplane (d) X-rays
  21. 21.True or false: a printing press helps us print many books. (a) False (b) True
  22. 22.What did Johannes Gutenberg give us? (a) the stethoscope (b) the first aeroplane (c) the electric battery (d) the printing press
  23. 23.What does a stethoscope help us do? (a) do sums quickly (b) hear the heartbeat (c) find directions (d) print many books
  24. 24.What does a calculator help us do? (a) see tiny germs (b) see faraway stars (c) do sums quickly (d) talk to people far away
  25. 25.What did Alexander Graham Bell give us? (a) penicillin (b) raised-dot writing (c) the telephone (d) the printing press
  26. 26.🔧 Which invention helps us hear the heartbeat? (a) calculator (b) microscope (c) stethoscope (d) clock
  27. 27.💡 Who gave us penicillin? (a) Wilhelm Röntgen (b) Alexander Fleming (c) Louis Braille (d) Alexander Graham Bell
  28. 28.True or false: a clock helps us see tiny germs. (a) True (b) False
  29. 29.What does a printing press help us do? (a) tell the time (b) measure body temperature (c) see faraway stars (d) print many books
  30. 30.What did the Wright brothers give us? (a) the printing press (b) the first aeroplane (c) raised-dot writing (d) the telephone
  31. 31.True or false: René Laennec gave us the stethoscope. (a) False (b) True
  32. 32.🔧 Which invention helps us find directions? (a) compass (b) thermometer (c) microscope (d) calculator
  33. 33.True or false: a telephone helps us print many books. (a) False (b) True
  34. 34.What did Wilhelm Röntgen give us? (a) penicillin (b) X-rays (c) the printing press (d) the electric battery
  35. 35.🔧 Which invention helps us print many books? (a) printing press (b) telephone (c) telescope (d) microscope
  36. 36.True or false: a thermometer helps us tell the time. (a) True (b) False
  37. 37.💡 Who gave us raised-dot writing? (a) Wilhelm Röntgen (b) Louis Braille (c) Alexander Fleming (d) the Wright brothers
  38. 38.What did Edward Jenner give us? (a) the printing press (b) X-rays (c) the first aeroplane (d) the smallpox vaccine
  39. 39.🔧 Which invention helps us measure body temperature? (a) telephone (b) thermometer (c) stethoscope (d) printing press
  40. 40.True or false: a microscope helps us do sums quickly. (a) True (b) False

Answer key

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

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