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Class 4 GK Worksheet: Inventions and Inventors

GK lesson 21: Inventions and inventors · Set 701 · 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 raised-dot writing? (a) Wilhelm Röntgen (b) Louis Braille (c) Edward Jenner (d) René Laennec
  2. 2.True or false: Louis Braille gave us the electric battery. (a) True (b) False
  3. 3.What did Wilhelm Röntgen give us? (a) the stethoscope (b) X-rays (c) the smallpox vaccine (d) penicillin
  4. 4.What did Alexander Graham Bell give us? (a) the stethoscope (b) the telephone (c) the electric battery (d) the printing press
  5. 5.What did Edward Jenner give us? (a) the telephone (b) the smallpox vaccine (c) the stethoscope (d) penicillin
  6. 6.What does a telephone help us do? (a) talk to people far away (b) tell the time (c) print many books (d) see tiny germs
  7. 7.What does a thermometer help us do? (a) measure body temperature (b) find directions (c) see faraway stars (d) talk to people far away
  8. 8.True or false: a telephone helps us talk to people far away. (a) True (b) False
  9. 9.True or false: a microscope helps us see tiny germs. (a) True (b) False
  10. 10.True or false: a thermometer helps us hear the heartbeat. (a) False (b) True
  11. 11.What did Alexander Fleming give us? (a) penicillin (b) the first aeroplane (c) the electric battery (d) the smallpox vaccine
  12. 12.What did René Laennec give us? (a) penicillin (b) the stethoscope (c) the telephone (d) the smallpox vaccine
  13. 13.True or false: Johannes Gutenberg gave us the printing press. (a) False (b) True
  14. 14.True or false: Alexander Graham Bell gave us the telephone. (a) True (b) False
  15. 15.🔧 Which invention helps us measure body temperature? (a) compass (b) thermometer (c) printing press (d) calculator
  16. 16.💡 Who gave us the electric battery? (a) the Wright brothers (b) Alessandro Volta (c) Alexander Graham Bell (d) Louis Braille
  17. 17.What does a compass help us do? (a) do sums quickly (b) print many books (c) find directions (d) measure body temperature
  18. 18.What does a stethoscope help us do? (a) do sums quickly (b) see tiny germs (c) hear the heartbeat (d) talk to people far away
  19. 19.True or false: a thermometer helps us measure body temperature. (a) False (b) True
  20. 20.🔧 Which invention helps us hear the heartbeat? (a) telescope (b) stethoscope (c) compass (d) thermometer
  21. 21.What did Johannes Gutenberg give us? (a) the printing press (b) the electric battery (c) raised-dot writing (d) X-rays
  22. 22.💡 Who gave us the first aeroplane? (a) Alexander Fleming (b) Louis Braille (c) Johannes Gutenberg (d) the Wright brothers
  23. 23.True or false: a compass helps us measure body temperature. (a) True (b) False
  24. 24.💡 Who gave us penicillin? (a) René Laennec (b) Alexander Fleming (c) Alexander Graham Bell (d) Wilhelm Röntgen
  25. 25.💡 Who gave us the telephone? (a) the Wright brothers (b) Wilhelm Röntgen (c) Alexander Fleming (d) Alexander Graham Bell
  26. 26.True or false: Louis Braille gave us raised-dot writing. (a) True (b) False
  27. 27.🔧 Which invention helps us do sums quickly? (a) microscope (b) calculator (c) compass (d) stethoscope
  28. 28.True or false: a printing press helps us print many books. (a) False (b) True
  29. 29.What did Alessandro Volta give us? (a) the telephone (b) raised-dot writing (c) the electric battery (d) penicillin
  30. 30.🔧 Which invention helps us talk to people far away? (a) stethoscope (b) telephone (c) clock (d) thermometer
  31. 31.🔧 Which invention helps us see tiny germs? (a) thermometer (b) printing press (c) telephone (d) microscope
  32. 32.True or false: a compass helps us print many books. (a) True (b) False
  33. 33.True or false: a stethoscope helps us see faraway stars. (a) True (b) False
  34. 34.What does a microscope help us do? (a) talk to people far away (b) do sums quickly (c) hear the heartbeat (d) see tiny germs
  35. 35.True or false: a microscope helps us talk to people far away. (a) True (b) False
  36. 36.True or false: a calculator helps us do sums quickly. (a) False (b) True
  37. 37.True or false: a clock helps us measure body temperature. (a) False (b) True
  38. 38.True or false: a clock helps us find directions. (a) True (b) False
  39. 39.What did the Wright brothers give us? (a) raised-dot writing (b) the smallpox vaccine (c) the first aeroplane (d) X-rays
  40. 40.True or false: a thermometer helps us see tiny germs. (a) True (b) False

Answer key

  1. Louis Braille
  2. False
  3. X-rays
  4. the telephone
  5. the smallpox vaccine
  6. talk to people far away
  7. measure body temperature
  8. True
  9. True
  10. False
  11. penicillin
  12. the stethoscope
  13. True
  14. True
  15. thermometer
  16. Alessandro Volta
  17. find directions
  18. hear the heartbeat
  19. True
  20. stethoscope
  21. the printing press
  22. the Wright brothers
  23. False
  24. Alexander Fleming
  25. Alexander Graham Bell
  26. True
  27. calculator
  28. True
  29. the electric battery
  30. telephone
  31. microscope
  32. False
  33. False
  34. see tiny germs
  35. False
  36. True
  37. False
  38. False
  39. the first aeroplane
  40. False

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