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Class 4 GK Worksheet: Inventions and Inventors

GK lesson 21: Inventions and inventors · Set 722 · 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 penicillin? (a) Johannes Gutenberg (b) Alexander Fleming (c) Alexander Graham Bell (d) Louis Braille
  2. 2.💡 Who gave us the stethoscope? (a) Louis Braille (b) René Laennec (c) Alexander Graham Bell (d) the Wright brothers
  3. 3.What does a compass help us do? (a) see faraway stars (b) hear the heartbeat (c) find directions (d) do sums quickly
  4. 4.💡 Who gave us the telephone? (a) Louis Braille (b) Edward Jenner (c) Alexander Graham Bell (d) Johannes Gutenberg
  5. 5.🔧 Which invention helps us find directions? (a) stethoscope (b) compass (c) clock (d) thermometer
  6. 6.True or false: the Wright brothers gave us penicillin. (a) False (b) True
  7. 7.True or false: Johannes Gutenberg gave us the first aeroplane. (a) False (b) True
  8. 8.What did Louis Braille give us? (a) the smallpox vaccine (b) the electric battery (c) the printing press (d) raised-dot writing
  9. 9.True or false: a telephone helps us do sums quickly. (a) False (b) True
  10. 10.True or false: a calculator helps us tell the time. (a) True (b) False
  11. 11.💡 Who gave us the printing press? (a) the Wright brothers (b) Johannes Gutenberg (c) Alexander Fleming (d) Edward Jenner
  12. 12.True or false: a microscope helps us hear the heartbeat. (a) True (b) False
  13. 13.What did Alessandro Volta give us? (a) the stethoscope (b) the first aeroplane (c) the telephone (d) the electric battery
  14. 14.What did Wilhelm Röntgen give us? (a) the telephone (b) penicillin (c) the smallpox vaccine (d) X-rays
  15. 15.💡 Who gave us raised-dot writing? (a) Louis Braille (b) Alexander Fleming (c) Wilhelm Röntgen (d) the Wright brothers
  16. 16.What does a printing press help us do? (a) print many books (b) find directions (c) do sums quickly (d) tell the time
  17. 17.🔧 Which invention helps us see tiny germs? (a) thermometer (b) compass (c) microscope (d) stethoscope
  18. 18.What does a clock help us do? (a) hear the heartbeat (b) measure body temperature (c) tell the time (d) find directions
  19. 19.True or false: a thermometer helps us measure body temperature. (a) True (b) False
  20. 20.What did the Wright brothers give us? (a) the printing press (b) the telephone (c) the first aeroplane (d) raised-dot writing
  21. 21.What does a microscope help us do? (a) print many books (b) hear the heartbeat (c) see tiny germs (d) tell the time
  22. 22.True or false: a clock helps us talk to people far away. (a) True (b) False
  23. 23.True or false: Wilhelm Röntgen gave us X-rays. (a) False (b) True
  24. 24.💡 Who gave us the first aeroplane? (a) Louis Braille (b) Johannes Gutenberg (c) the Wright brothers (d) René Laennec
  25. 25.What did Johannes Gutenberg give us? (a) the smallpox vaccine (b) the printing press (c) the first aeroplane (d) the telephone
  26. 26.True or false: a clock helps us tell the time. (a) False (b) True
  27. 27.What did René Laennec give us? (a) the electric battery (b) the first aeroplane (c) the telephone (d) the stethoscope
  28. 28.What does a thermometer help us do? (a) tell the time (b) see faraway stars (c) measure body temperature (d) find directions
  29. 29.🔧 Which invention helps us talk to people far away? (a) compass (b) telephone (c) telescope (d) stethoscope
  30. 30.True or false: a telescope helps us print many books. (a) False (b) True
  31. 31.🔧 Which invention helps us do sums quickly? (a) calculator (b) clock (c) compass (d) telephone
  32. 32.True or false: a telephone helps us hear the heartbeat. (a) True (b) False
  33. 33.True or false: a printing press helps us print many books. (a) True (b) False
  34. 34.What does a calculator help us do? (a) find directions (b) tell the time (c) see tiny germs (d) do sums quickly
  35. 35.🔧 Which invention helps us measure body temperature? (a) stethoscope (b) thermometer (c) compass (d) microscope
  36. 36.True or false: the Wright brothers gave us the printing press. (a) True (b) False
  37. 37.True or false: Alexander Fleming gave us penicillin. (a) False (b) True
  38. 38.True or false: a telescope helps us see tiny germs. (a) True (b) False
  39. 39.What does a stethoscope help us do? (a) tell the time (b) see tiny germs (c) measure body temperature (d) hear the heartbeat
  40. 40.True or false: a clock helps us hear the heartbeat. (a) True (b) False

Answer key

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

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