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Class 4 GK Worksheet: Inventions and Inventors

GK lesson 21: Inventions and inventors · Set 459 · 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 stethoscope? (a) René Laennec (b) Johannes Gutenberg (c) Edward Jenner (d) Wilhelm Röntgen
  2. 2.True or false: a calculator helps us measure body temperature. (a) True (b) False
  3. 3.🔧 Which invention helps us measure body temperature? (a) compass (b) telephone (c) stethoscope (d) thermometer
  4. 4.What did Alexander Fleming give us? (a) penicillin (b) the telephone (c) the first aeroplane (d) the smallpox vaccine
  5. 5.🔧 Which invention helps us print many books? (a) telephone (b) printing press (c) clock (d) compass
  6. 6.What did Alessandro Volta give us? (a) the electric battery (b) the first aeroplane (c) X-rays (d) the printing press
  7. 7.True or false: a stethoscope helps us see faraway stars. (a) True (b) False
  8. 8.🔧 Which invention helps us find directions? (a) compass (b) microscope (c) telescope (d) clock
  9. 9.True or false: Edward Jenner gave us the printing press. (a) True (b) False
  10. 10.True or false: a printing press helps us print many books. (a) False (b) True
  11. 11.What does a microscope help us do? (a) see tiny germs (b) print many books (c) measure body temperature (d) do sums quickly
  12. 12.What does a clock help us do? (a) tell the time (b) see tiny germs (c) do sums quickly (d) measure body temperature
  13. 13.🔧 Which invention helps us do sums quickly? (a) telephone (b) thermometer (c) printing press (d) calculator
  14. 14.True or false: a thermometer helps us measure body temperature. (a) True (b) False
  15. 15.What does a calculator help us do? (a) see tiny germs (b) do sums quickly (c) tell the time (d) hear the heartbeat
  16. 16.True or false: Louis Braille gave us penicillin. (a) True (b) False
  17. 17.What does a compass help us do? (a) tell the time (b) measure body temperature (c) find directions (d) hear the heartbeat
  18. 18.True or false: a microscope helps us see tiny germs. (a) True (b) False
  19. 19.True or false: a telephone helps us do sums quickly. (a) True (b) False
  20. 20.True or false: Alexander Graham Bell gave us the telephone. (a) True (b) False
  21. 21.What did the Wright brothers give us? (a) the printing press (b) the telephone (c) raised-dot writing (d) the first aeroplane
  22. 22.🔧 Which invention helps us talk to people far away? (a) telescope (b) thermometer (c) telephone (d) stethoscope
  23. 23.True or false: Alexander Fleming gave us raised-dot writing. (a) False (b) True
  24. 24.What did Johannes Gutenberg give us? (a) X-rays (b) the smallpox vaccine (c) the telephone (d) the printing press
  25. 25.True or false: René Laennec gave us the stethoscope. (a) True (b) False
  26. 26.💡 Who gave us the first aeroplane? (a) Louis Braille (b) the Wright brothers (c) Alessandro Volta (d) Wilhelm Röntgen
  27. 27.💡 Who gave us X-rays? (a) Wilhelm Röntgen (b) Alessandro Volta (c) Edward Jenner (d) the Wright brothers
  28. 28.What does a telephone help us do? (a) print many books (b) measure body temperature (c) find directions (d) talk to people far away
  29. 29.True or false: a telephone helps us hear the heartbeat. (a) False (b) True
  30. 30.True or false: a compass helps us do sums quickly. (a) True (b) False
  31. 31.💡 Who gave us the printing press? (a) Wilhelm Röntgen (b) the Wright brothers (c) Johannes Gutenberg (d) Alexander Graham Bell
  32. 32.True or false: a stethoscope helps us find directions. (a) True (b) False
  33. 33.💡 Who gave us penicillin? (a) Wilhelm Röntgen (b) Alexander Fleming (c) Louis Braille (d) Johannes Gutenberg
  34. 34.True or false: the Wright brothers gave us penicillin. (a) True (b) False
  35. 35.What did Louis Braille give us? (a) the telephone (b) penicillin (c) raised-dot writing (d) the smallpox vaccine
  36. 36.True or false: a telephone helps us print many books. (a) False (b) True
  37. 37.What did Edward Jenner give us? (a) the smallpox vaccine (b) the telephone (c) the electric battery (d) the first aeroplane
  38. 38.True or false: Louis Braille gave us raised-dot writing. (a) False (b) True
  39. 39.💡 Who gave us the telephone? (a) Louis Braille (b) Alexander Graham Bell (c) René Laennec (d) Wilhelm Röntgen
  40. 40.What does a printing press help us do? (a) find directions (b) talk to people far away (c) hear the heartbeat (d) print many books

Answer key

  1. René Laennec
  2. False
  3. thermometer
  4. penicillin
  5. printing press
  6. the electric battery
  7. False
  8. compass
  9. False
  10. True
  11. see tiny germs
  12. tell the time
  13. calculator
  14. True
  15. do sums quickly
  16. False
  17. find directions
  18. True
  19. False
  20. True
  21. the first aeroplane
  22. telephone
  23. False
  24. the printing press
  25. True
  26. the Wright brothers
  27. Wilhelm Röntgen
  28. talk to people far away
  29. False
  30. False
  31. Johannes Gutenberg
  32. False
  33. Alexander Fleming
  34. False
  35. raised-dot writing
  36. False
  37. the smallpox vaccine
  38. True
  39. Alexander Graham Bell
  40. print many books

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