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Class 4 GK Worksheet: Inventions and Inventors

GK lesson 21: Inventions and inventors · Set 677 · 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: a clock helps us tell the time. (a) True (b) False
  2. 2.💡 Who gave us penicillin? (a) Louis Braille (b) René Laennec (c) Alexander Graham Bell (d) Alexander Fleming
  3. 3.What does a telescope help us do? (a) see tiny germs (b) hear the heartbeat (c) see faraway stars (d) measure body temperature
  4. 4.🔧 Which invention helps us hear the heartbeat? (a) stethoscope (b) printing press (c) telescope (d) microscope
  5. 5.🔧 Which invention helps us do sums quickly? (a) calculator (b) thermometer (c) telephone (d) clock
  6. 6.What did Louis Braille give us? (a) the telephone (b) the first aeroplane (c) X-rays (d) raised-dot writing
  7. 7.What did Johannes Gutenberg give us? (a) raised-dot writing (b) X-rays (c) the stethoscope (d) the printing press
  8. 8.What did Wilhelm Röntgen give us? (a) the printing press (b) penicillin (c) the stethoscope (d) X-rays
  9. 9.True or false: a telescope helps us tell the time. (a) False (b) True
  10. 10.True or false: a calculator helps us see tiny germs. (a) False (b) True
  11. 11.What did Edward Jenner give us? (a) the first aeroplane (b) penicillin (c) the smallpox vaccine (d) X-rays
  12. 12.🔧 Which invention helps us tell the time? (a) telephone (b) telescope (c) microscope (d) clock
  13. 13.True or false: Wilhelm Röntgen gave us raised-dot writing. (a) True (b) False
  14. 14.What does a telephone help us do? (a) hear the heartbeat (b) talk to people far away (c) tell the time (d) see tiny germs
  15. 15.💡 Who gave us the smallpox vaccine? (a) Alexander Fleming (b) the Wright brothers (c) Edward Jenner (d) René Laennec
  16. 16.True or false: a stethoscope helps us see tiny germs. (a) True (b) False
  17. 17.What does a microscope help us do? (a) print many books (b) hear the heartbeat (c) see tiny germs (d) do sums quickly
  18. 18.What does a stethoscope help us do? (a) tell the time (b) do sums quickly (c) see tiny germs (d) hear the heartbeat
  19. 19.💡 Who gave us the telephone? (a) Alexander Graham Bell (b) Edward Jenner (c) Johannes Gutenberg (d) Wilhelm Röntgen
  20. 20.True or false: the Wright brothers gave us raised-dot writing. (a) True (b) False
  21. 21.💡 Who gave us the first aeroplane? (a) Alexander Graham Bell (b) Alexander Fleming (c) the Wright brothers (d) Edward Jenner
  22. 22.True or false: Wilhelm Röntgen gave us the first aeroplane. (a) False (b) True
  23. 23.True or false: René Laennec gave us the telephone. (a) False (b) True
  24. 24.What did the Wright brothers give us? (a) X-rays (b) the smallpox vaccine (c) penicillin (d) the first aeroplane
  25. 25.True or false: René Laennec gave us the stethoscope. (a) True (b) False
  26. 26.💡 Who gave us the stethoscope? (a) Edward Jenner (b) René Laennec (c) Wilhelm Röntgen (d) Alessandro Volta
  27. 27.💡 Who gave us X-rays? (a) the Wright brothers (b) Alexander Fleming (c) Alexander Graham Bell (d) Wilhelm Röntgen
  28. 28.What does a thermometer help us do? (a) measure body temperature (b) talk to people far away (c) tell the time (d) see tiny germs
  29. 29.True or false: a thermometer helps us talk to people far away. (a) True (b) False
  30. 30.True or false: a stethoscope helps us hear the heartbeat. (a) False (b) True
  31. 31.True or false: a telephone helps us talk to people far away. (a) False (b) True
  32. 32.True or false: Alexander Fleming gave us penicillin. (a) True (b) False
  33. 33.💡 Who gave us the printing press? (a) Alexander Fleming (b) Alexander Graham Bell (c) the Wright brothers (d) Johannes Gutenberg
  34. 34.What did Alexander Graham Bell give us? (a) penicillin (b) raised-dot writing (c) the telephone (d) X-rays
  35. 35.🔧 Which invention helps us print many books? (a) printing press (b) clock (c) microscope (d) calculator
  36. 36.💡 Who gave us raised-dot writing? (a) Alexander Graham Bell (b) Wilhelm Röntgen (c) Louis Braille (d) Edward Jenner
  37. 37.What did Alexander Fleming give us? (a) X-rays (b) the stethoscope (c) the first aeroplane (d) penicillin
  38. 38.True or false: Louis Braille gave us the printing press. (a) False (b) True
  39. 39.True or false: a telephone helps us tell the time. (a) True (b) False
  40. 40.True or false: a compass helps us measure body temperature. (a) False (b) True

Answer key

  1. True
  2. Alexander Fleming
  3. see faraway stars
  4. stethoscope
  5. calculator
  6. raised-dot writing
  7. the printing press
  8. X-rays
  9. False
  10. False
  11. the smallpox vaccine
  12. clock
  13. False
  14. talk to people far away
  15. Edward Jenner
  16. False
  17. see tiny germs
  18. hear the heartbeat
  19. Alexander Graham Bell
  20. False
  21. the Wright brothers
  22. False
  23. False
  24. the first aeroplane
  25. True
  26. René Laennec
  27. Wilhelm Röntgen
  28. measure body temperature
  29. False
  30. True
  31. True
  32. True
  33. Johannes Gutenberg
  34. the telephone
  35. printing press
  36. Louis Braille
  37. penicillin
  38. False
  39. False
  40. False

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