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Class 4 GK Worksheet: Inventions and Inventors

GK lesson 21: Inventions and inventors · Set 242 · 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: Wilhelm Röntgen gave us the smallpox vaccine. (a) False (b) True
  2. 2.💡 Who gave us the electric battery? (a) Wilhelm Röntgen (b) Alexander Graham Bell (c) the Wright brothers (d) Alessandro Volta
  3. 3.True or false: a compass helps us do sums quickly. (a) True (b) False
  4. 4.True or false: a printing press helps us print many books. (a) True (b) False
  5. 5.💡 Who gave us the printing press? (a) Edward Jenner (b) Alessandro Volta (c) Johannes Gutenberg (d) René Laennec
  6. 6.True or false: a compass helps us find directions. (a) False (b) True
  7. 7.True or false: Alexander Fleming gave us the telephone. (a) True (b) False
  8. 8.True or false: Alexander Fleming gave us penicillin. (a) False (b) True
  9. 9.True or false: Alessandro Volta gave us the electric battery. (a) False (b) True
  10. 10.🔧 Which invention helps us hear the heartbeat? (a) telescope (b) thermometer (c) stethoscope (d) calculator
  11. 11.True or false: a thermometer helps us measure body temperature. (a) True (b) False
  12. 12.What did Edward Jenner give us? (a) X-rays (b) the smallpox vaccine (c) the printing press (d) the stethoscope
  13. 13.True or false: Wilhelm Röntgen gave us X-rays. (a) False (b) True
  14. 14.🔧 Which invention helps us see faraway stars? (a) telescope (b) stethoscope (c) compass (d) calculator
  15. 15.True or false: a microscope helps us print many books. (a) True (b) False
  16. 16.💡 Who gave us raised-dot writing? (a) Louis Braille (b) Johannes Gutenberg (c) Edward Jenner (d) Alexander Fleming
  17. 17.What does a stethoscope help us do? (a) measure body temperature (b) talk to people far away (c) see tiny germs (d) hear the heartbeat
  18. 18.💡 Who gave us the stethoscope? (a) Johannes Gutenberg (b) the Wright brothers (c) Wilhelm Röntgen (d) René Laennec
  19. 19.What did Alexander Graham Bell give us? (a) the first aeroplane (b) the electric battery (c) the telephone (d) penicillin
  20. 20.What does a compass help us do? (a) tell the time (b) measure body temperature (c) print many books (d) find directions
  21. 21.True or false: the Wright brothers gave us X-rays. (a) False (b) True
  22. 22.🔧 Which invention helps us see tiny germs? (a) telescope (b) calculator (c) microscope (d) telephone
  23. 23.True or false: René Laennec gave us the stethoscope. (a) False (b) True
  24. 24.🔧 Which invention helps us talk to people far away? (a) telephone (b) compass (c) stethoscope (d) microscope
  25. 25.True or false: Alexander Graham Bell gave us the telephone. (a) True (b) False
  26. 26.What did Alessandro Volta give us? (a) the electric battery (b) X-rays (c) the smallpox vaccine (d) the telephone
  27. 27.🔧 Which invention helps us do sums quickly? (a) stethoscope (b) clock (c) telephone (d) calculator
  28. 28.What does a thermometer help us do? (a) see faraway stars (b) measure body temperature (c) talk to people far away (d) tell the time
  29. 29.What does a microscope help us do? (a) find directions (b) see tiny germs (c) print many books (d) measure body temperature
  30. 30.💡 Who gave us the telephone? (a) René Laennec (b) Wilhelm Röntgen (c) the Wright brothers (d) Alexander Graham Bell
  31. 31.What did Louis Braille give us? (a) the stethoscope (b) raised-dot writing (c) X-rays (d) the electric battery
  32. 32.What did Alexander Fleming give us? (a) penicillin (b) X-rays (c) the smallpox vaccine (d) the electric battery
  33. 33.💡 Who gave us penicillin? (a) the Wright brothers (b) Wilhelm Röntgen (c) Alexander Fleming (d) Alexander Graham Bell
  34. 34.True or false: a telescope helps us measure body temperature. (a) True (b) False
  35. 35.True or false: a microscope helps us find directions. (a) False (b) True
  36. 36.What does a printing press help us do? (a) measure body temperature (b) do sums quickly (c) see faraway stars (d) print many books
  37. 37.💡 Who gave us X-rays? (a) Alexander Graham Bell (b) René Laennec (c) Wilhelm Röntgen (d) Alessandro Volta
  38. 38.What did the Wright brothers give us? (a) the first aeroplane (b) the stethoscope (c) X-rays (d) penicillin
  39. 39.True or false: a printing press helps us see tiny germs. (a) False (b) True
  40. 40.True or false: a telescope helps us see faraway stars. (a) False (b) True

Answer key

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

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