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Class 4 GK Worksheet: Inventions and Inventors

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

Answer key

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

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