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Class 4 GK Worksheet: Inventions and Inventors

GK lesson 21: Inventions and inventors · Set 882 · 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 telephone? (a) Alexander Fleming (b) Alexander Graham Bell (c) Alessandro Volta (d) Wilhelm Röntgen
  2. 2.True or false: Alexander Fleming gave us X-rays. (a) True (b) False
  3. 3.True or false: a telephone helps us talk to people far away. (a) True (b) False
  4. 4.True or false: the Wright brothers gave us the printing press. (a) True (b) False
  5. 5.💡 Who gave us penicillin? (a) René Laennec (b) Johannes Gutenberg (c) Alexander Graham Bell (d) Alexander Fleming
  6. 6.What did Alexander Fleming give us? (a) the telephone (b) penicillin (c) the stethoscope (d) X-rays
  7. 7.💡 Who gave us the electric battery? (a) Louis Braille (b) Alessandro Volta (c) Alexander Graham Bell (d) Wilhelm Röntgen
  8. 8.What does a microscope help us do? (a) see tiny germs (b) see faraway stars (c) talk to people far away (d) do sums quickly
  9. 9.🔧 Which invention helps us find directions? (a) compass (b) telephone (c) calculator (d) thermometer
  10. 10.True or false: René Laennec gave us the stethoscope. (a) True (b) False
  11. 11.True or false: a microscope helps us talk to people far away. (a) True (b) False
  12. 12.What does a compass help us do? (a) see faraway stars (b) measure body temperature (c) talk to people far away (d) find directions
  13. 13.What did Edward Jenner give us? (a) the smallpox vaccine (b) the electric battery (c) the first aeroplane (d) the printing press
  14. 14.💡 Who gave us the stethoscope? (a) René Laennec (b) Wilhelm Röntgen (c) Alexander Graham Bell (d) Johannes Gutenberg
  15. 15.What did Wilhelm Röntgen give us? (a) penicillin (b) the electric battery (c) X-rays (d) the smallpox vaccine
  16. 16.True or false: a thermometer helps us measure body temperature. (a) False (b) True
  17. 17.What does a thermometer help us do? (a) hear the heartbeat (b) see faraway stars (c) print many books (d) measure body temperature
  18. 18.What did the Wright brothers give us? (a) the first aeroplane (b) penicillin (c) the electric battery (d) the printing press
  19. 19.True or false: a thermometer helps us tell the time. (a) False (b) True
  20. 20.What does a stethoscope help us do? (a) see tiny germs (b) print many books (c) hear the heartbeat (d) tell the time
  21. 21.True or false: a calculator helps us do sums quickly. (a) True (b) False
  22. 22.What does a printing press help us do? (a) measure body temperature (b) hear the heartbeat (c) print many books (d) do sums quickly
  23. 23.True or false: a printing press helps us tell the time. (a) False (b) True
  24. 24.🔧 Which invention helps us hear the heartbeat? (a) telescope (b) thermometer (c) printing press (d) stethoscope
  25. 25.True or false: a microscope helps us see tiny germs. (a) False (b) True
  26. 26.True or false: a telescope helps us measure body temperature. (a) True (b) False
  27. 27.🔧 Which invention helps us tell the time? (a) telephone (b) calculator (c) clock (d) telescope
  28. 28.💡 Who gave us the printing press? (a) Johannes Gutenberg (b) Alessandro Volta (c) Wilhelm Röntgen (d) Edward Jenner
  29. 29.True or false: Alexander Fleming gave us the stethoscope. (a) True (b) False
  30. 30.What does a telescope help us do? (a) measure body temperature (b) print many books (c) do sums quickly (d) see faraway stars
  31. 31.💡 Who gave us X-rays? (a) Edward Jenner (b) René Laennec (c) Wilhelm Röntgen (d) Alessandro Volta
  32. 32.True or false: Louis Braille gave us raised-dot writing. (a) True (b) False
  33. 33.True or false: a telescope helps us see faraway stars. (a) False (b) True
  34. 34.True or false: Wilhelm Röntgen gave us X-rays. (a) False (b) True
  35. 35.🔧 Which invention helps us print many books? (a) printing press (b) calculator (c) clock (d) telephone
  36. 36.What did Johannes Gutenberg give us? (a) X-rays (b) the printing press (c) penicillin (d) the first aeroplane
  37. 37.🔧 Which invention helps us see tiny germs? (a) telephone (b) microscope (c) printing press (d) thermometer
  38. 38.What did Louis Braille give us? (a) the telephone (b) the first aeroplane (c) raised-dot writing (d) X-rays
  39. 39.What did Alexander Graham Bell give us? (a) the stethoscope (b) raised-dot writing (c) the smallpox vaccine (d) the telephone
  40. 40.True or false: a telescope helps us hear the heartbeat. (a) False (b) True

Answer key

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

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