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Class 4 GK Worksheet: Inventions and Inventors

GK lesson 21: Inventions and inventors · Set 727 · 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.What does a thermometer help us do? (a) print many books (b) measure body temperature (c) see tiny germs (d) hear the heartbeat
  2. 2.True or false: a stethoscope helps us find directions. (a) False (b) True
  3. 3.💡 Who gave us the stethoscope? (a) Wilhelm Röntgen (b) Alexander Fleming (c) Edward Jenner (d) René Laennec
  4. 4.True or false: a stethoscope helps us do sums quickly. (a) True (b) False
  5. 5.True or false: Alexander Fleming gave us penicillin. (a) False (b) True
  6. 6.🔧 Which invention helps us do sums quickly? (a) printing press (b) calculator (c) stethoscope (d) microscope
  7. 7.🔧 Which invention helps us talk to people far away? (a) compass (b) telephone (c) printing press (d) stethoscope
  8. 8.True or false: a thermometer helps us measure body temperature. (a) False (b) True
  9. 9.True or false: a clock helps us tell the time. (a) True (b) False
  10. 10.💡 Who gave us the first aeroplane? (a) the Wright brothers (b) Louis Braille (c) Johannes Gutenberg (d) Edward Jenner
  11. 11.What does a stethoscope help us do? (a) tell the time (b) find directions (c) do sums quickly (d) hear the heartbeat
  12. 12.True or false: a microscope helps us tell the time. (a) False (b) True
  13. 13.What did Alessandro Volta give us? (a) the stethoscope (b) X-rays (c) the electric battery (d) the first aeroplane
  14. 14.🔧 Which invention helps us see tiny germs? (a) thermometer (b) telephone (c) calculator (d) microscope
  15. 15.💡 Who gave us X-rays? (a) Alexander Fleming (b) Wilhelm Röntgen (c) René Laennec (d) Johannes Gutenberg
  16. 16.What did Alexander Graham Bell give us? (a) the smallpox vaccine (b) the telephone (c) the electric battery (d) the stethoscope
  17. 17.💡 Who gave us penicillin? (a) Johannes Gutenberg (b) Alexander Graham Bell (c) Alexander Fleming (d) Louis Braille
  18. 18.True or false: Johannes Gutenberg gave us raised-dot writing. (a) False (b) True
  19. 19.True or false: a microscope helps us see tiny germs. (a) False (b) True
  20. 20.💡 Who gave us raised-dot writing? (a) Alexander Graham Bell (b) Louis Braille (c) Wilhelm Röntgen (d) the Wright brothers
  21. 21.What did Wilhelm Röntgen give us? (a) the telephone (b) the stethoscope (c) X-rays (d) the first aeroplane
  22. 22.What did Alexander Fleming give us? (a) penicillin (b) the electric battery (c) the printing press (d) the smallpox vaccine
  23. 23.🔧 Which invention helps us print many books? (a) telephone (b) telescope (c) calculator (d) printing press
  24. 24.True or false: a compass helps us find directions. (a) False (b) True
  25. 25.💡 Who gave us the electric battery? (a) the Wright brothers (b) Alessandro Volta (c) Alexander Graham Bell (d) Louis Braille
  26. 26.What does a compass help us do? (a) print many books (b) see tiny germs (c) tell the time (d) find directions
  27. 27.🔧 Which invention helps us measure body temperature? (a) telescope (b) thermometer (c) clock (d) microscope
  28. 28.True or false: Louis Braille gave us penicillin. (a) False (b) True
  29. 29.💡 Who gave us the telephone? (a) Louis Braille (b) Alexander Graham Bell (c) the Wright brothers (d) Edward Jenner
  30. 30.What did Edward Jenner give us? (a) penicillin (b) the smallpox vaccine (c) the first aeroplane (d) the electric battery
  31. 31.True or false: a thermometer helps us see faraway stars. (a) True (b) False
  32. 32.What did Louis Braille give us? (a) the first aeroplane (b) the printing press (c) raised-dot writing (d) X-rays
  33. 33.True or false: Louis Braille gave us raised-dot writing. (a) True (b) False
  34. 34.💡 Who gave us the printing press? (a) Alexander Fleming (b) Louis Braille (c) Johannes Gutenberg (d) the Wright brothers
  35. 35.🔧 Which invention helps us hear the heartbeat? (a) compass (b) telescope (c) printing press (d) stethoscope
  36. 36.True or false: a printing press helps us print many books. (a) False (b) True
  37. 37.What did the Wright brothers give us? (a) the stethoscope (b) raised-dot writing (c) the printing press (d) the first aeroplane
  38. 38.🔧 Which invention helps us tell the time? (a) printing press (b) calculator (c) clock (d) thermometer
  39. 39.True or false: Alexander Graham Bell gave us the telephone. (a) False (b) True
  40. 40.True or false: a clock helps us measure body temperature. (a) True (b) False

Answer key

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

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