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Class 4 GK Worksheet: Inventions and Inventors

GK lesson 21: Inventions and inventors · Set 741 · 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: Alexander Fleming gave us penicillin. (a) False (b) True
  2. 2.💡 Who gave us the printing press? (a) Alexander Graham Bell (b) Johannes Gutenberg (c) Wilhelm Röntgen (d) Louis Braille
  3. 3.🔧 Which invention helps us do sums quickly? (a) stethoscope (b) calculator (c) printing press (d) telephone
  4. 4.What did Alexander Fleming give us? (a) the printing press (b) the electric battery (c) penicillin (d) the first aeroplane
  5. 5.💡 Who gave us the electric battery? (a) Alessandro Volta (b) Johannes Gutenberg (c) René Laennec (d) Wilhelm Röntgen
  6. 6.True or false: a printing press helps us see tiny germs. (a) True (b) False
  7. 7.What did Alexander Graham Bell give us? (a) the telephone (b) raised-dot writing (c) X-rays (d) the first aeroplane
  8. 8.🔧 Which invention helps us hear the heartbeat? (a) stethoscope (b) thermometer (c) compass (d) printing press
  9. 9.What did Edward Jenner give us? (a) the smallpox vaccine (b) raised-dot writing (c) penicillin (d) X-rays
  10. 10.What did Wilhelm Röntgen give us? (a) the electric battery (b) X-rays (c) the stethoscope (d) raised-dot writing
  11. 11.True or false: a thermometer helps us talk to people far away. (a) False (b) True
  12. 12.True or false: a printing press helps us talk to people far away. (a) True (b) False
  13. 13.💡 Who gave us the smallpox vaccine? (a) Alexander Fleming (b) Johannes Gutenberg (c) Edward Jenner (d) René Laennec
  14. 14.What does a thermometer help us do? (a) print many books (b) see faraway stars (c) measure body temperature (d) tell the time
  15. 15.True or false: a telescope helps us see faraway stars. (a) True (b) False
  16. 16.💡 Who gave us the stethoscope? (a) Wilhelm Röntgen (b) René Laennec (c) Alessandro Volta (d) Alexander Graham Bell
  17. 17.🔧 Which invention helps us tell the time? (a) compass (b) clock (c) telephone (d) printing press
  18. 18.True or false: Louis Braille gave us the printing press. (a) False (b) True
  19. 19.True or false: Johannes Gutenberg gave us the electric battery. (a) False (b) True
  20. 20.🔧 Which invention helps us find directions? (a) telescope (b) calculator (c) compass (d) printing press
  21. 21.True or false: a clock helps us tell the time. (a) True (b) False
  22. 22.True or false: a printing press helps us see faraway stars. (a) True (b) False
  23. 23.What did Johannes Gutenberg give us? (a) the printing press (b) the telephone (c) the smallpox vaccine (d) penicillin
  24. 24.What did the Wright brothers give us? (a) the smallpox vaccine (b) the first aeroplane (c) the electric battery (d) X-rays
  25. 25.True or false: a thermometer helps us measure body temperature. (a) False (b) True
  26. 26.🔧 Which invention helps us measure body temperature? (a) calculator (b) microscope (c) thermometer (d) compass
  27. 27.What does a stethoscope help us do? (a) measure body temperature (b) tell the time (c) see faraway stars (d) hear the heartbeat
  28. 28.What does a microscope help us do? (a) print many books (b) hear the heartbeat (c) tell the time (d) see tiny germs
  29. 29.🔧 Which invention helps us see faraway stars? (a) printing press (b) calculator (c) clock (d) telescope
  30. 30.True or false: Edward Jenner gave us the smallpox vaccine. (a) False (b) True
  31. 31.🔧 Which invention helps us talk to people far away? (a) telephone (b) thermometer (c) compass (d) printing press
  32. 32.What does a printing press help us do? (a) hear the heartbeat (b) measure body temperature (c) do sums quickly (d) print many books
  33. 33.🔧 Which invention helps us print many books? (a) printing press (b) telephone (c) thermometer (d) telescope
  34. 34.True or false: a printing press helps us find directions. (a) True (b) False
  35. 35.True or false: a thermometer helps us find directions. (a) True (b) False
  36. 36.True or false: Alexander Graham Bell gave us the telephone. (a) False (b) True
  37. 37.True or false: a stethoscope helps us print many books. (a) False (b) True
  38. 38.What did Louis Braille give us? (a) the stethoscope (b) the telephone (c) the first aeroplane (d) raised-dot writing
  39. 39.True or false: a stethoscope helps us measure body temperature. (a) False (b) True
  40. 40.What does a compass help us do? (a) print many books (b) measure body temperature (c) talk to people far away (d) find directions

Answer key

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

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