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Class 4 GK Worksheet: Inventions and Inventors

GK lesson 21: Inventions and inventors · Set 814 · 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 calculator helps us do sums quickly. (a) False (b) True
  2. 2.🔧 Which invention helps us find directions? (a) telescope (b) thermometer (c) compass (d) stethoscope
  3. 3.🔧 Which invention helps us tell the time? (a) microscope (b) clock (c) telephone (d) compass
  4. 4.What does a microscope help us do? (a) see tiny germs (b) print many books (c) hear the heartbeat (d) tell the time
  5. 5.True or false: a microscope helps us see faraway stars. (a) True (b) False
  6. 6.💡 Who gave us raised-dot writing? (a) Louis Braille (b) Edward Jenner (c) Alessandro Volta (d) Wilhelm Röntgen
  7. 7.What did Johannes Gutenberg give us? (a) the first aeroplane (b) the telephone (c) X-rays (d) the printing press
  8. 8.🔧 Which invention helps us do sums quickly? (a) thermometer (b) compass (c) telephone (d) calculator
  9. 9.True or false: a telephone helps us talk to people far away. (a) True (b) False
  10. 10.True or false: a calculator helps us print many books. (a) False (b) True
  11. 11.What does a printing press help us do? (a) do sums quickly (b) print many books (c) measure body temperature (d) see faraway stars
  12. 12.True or false: Wilhelm Röntgen gave us X-rays. (a) True (b) False
  13. 13.What does a calculator help us do? (a) see faraway stars (b) see tiny germs (c) do sums quickly (d) hear the heartbeat
  14. 14.True or false: Louis Braille gave us X-rays. (a) True (b) False
  15. 15.💡 Who gave us X-rays? (a) Wilhelm Röntgen (b) Alexander Graham Bell (c) René Laennec (d) the Wright brothers
  16. 16.🔧 Which invention helps us measure body temperature? (a) microscope (b) thermometer (c) compass (d) telescope
  17. 17.True or false: a compass helps us find directions. (a) False (b) True
  18. 18.💡 Who gave us the telephone? (a) Alessandro Volta (b) Louis Braille (c) Johannes Gutenberg (d) Alexander Graham Bell
  19. 19.💡 Who gave us the electric battery? (a) Johannes Gutenberg (b) the Wright brothers (c) Alessandro Volta (d) Wilhelm Röntgen
  20. 20.What did Edward Jenner give us? (a) the printing press (b) penicillin (c) the electric battery (d) the smallpox vaccine
  21. 21.What did Louis Braille give us? (a) the first aeroplane (b) raised-dot writing (c) the stethoscope (d) the telephone
  22. 22.What does a compass help us do? (a) print many books (b) tell the time (c) find directions (d) hear the heartbeat
  23. 23.True or false: the Wright brothers gave us the printing press. (a) False (b) True
  24. 24.True or false: a stethoscope helps us do sums quickly. (a) False (b) True
  25. 25.True or false: a telescope helps us see faraway stars. (a) True (b) False
  26. 26.What did the Wright brothers give us? (a) raised-dot writing (b) penicillin (c) the stethoscope (d) the first aeroplane
  27. 27.🔧 Which invention helps us talk to people far away? (a) calculator (b) compass (c) thermometer (d) telephone
  28. 28.True or false: a clock helps us see faraway stars. (a) True (b) False
  29. 29.🔧 Which invention helps us print many books? (a) printing press (b) telescope (c) clock (d) microscope
  30. 30.🔧 Which invention helps us hear the heartbeat? (a) stethoscope (b) calculator (c) telescope (d) microscope
  31. 31.What does a telephone help us do? (a) do sums quickly (b) see faraway stars (c) talk to people far away (d) see tiny germs
  32. 32.What did Alexander Graham Bell give us? (a) the electric battery (b) the telephone (c) the printing press (d) the first aeroplane
  33. 33.True or false: Alexander Graham Bell gave us the telephone. (a) True (b) False
  34. 34.True or false: a stethoscope helps us see faraway stars. (a) False (b) True
  35. 35.True or false: a stethoscope helps us hear the heartbeat. (a) False (b) True
  36. 36.What does a stethoscope help us do? (a) hear the heartbeat (b) see faraway stars (c) talk to people far away (d) see tiny germs
  37. 37.True or false: a thermometer helps us measure body temperature. (a) True (b) False
  38. 38.💡 Who gave us the stethoscope? (a) René Laennec (b) Alexander Fleming (c) Alexander Graham Bell (d) Johannes Gutenberg
  39. 39.What did Alessandro Volta give us? (a) penicillin (b) the stethoscope (c) the electric battery (d) the smallpox vaccine
  40. 40.💡 Who gave us the printing press? (a) Alexander Fleming (b) the Wright brothers (c) Johannes Gutenberg (d) Louis Braille

Answer key

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

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