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Class 4 GK Worksheet: Inventions and Inventors

GK lesson 21: Inventions and inventors · Set 193 · 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 X-rays? (a) Wilhelm Röntgen (b) Alexander Graham Bell (c) Edward Jenner (d) Louis Braille
  2. 2.What did the Wright brothers give us? (a) penicillin (b) the stethoscope (c) the smallpox vaccine (d) the first aeroplane
  3. 3.💡 Who gave us the telephone? (a) the Wright brothers (b) Alexander Graham Bell (c) Alexander Fleming (d) Alessandro Volta
  4. 4.🔧 Which invention helps us hear the heartbeat? (a) stethoscope (b) printing press (c) clock (d) microscope
  5. 5.What does a calculator help us do? (a) tell the time (b) talk to people far away (c) do sums quickly (d) find directions
  6. 6.💡 Who gave us the smallpox vaccine? (a) Wilhelm Röntgen (b) Louis Braille (c) Alessandro Volta (d) Edward Jenner
  7. 7.True or false: Alexander Fleming gave us the telephone. (a) False (b) True
  8. 8.🔧 Which invention helps us find directions? (a) printing press (b) compass (c) stethoscope (d) clock
  9. 9.What does a clock help us do? (a) print many books (b) talk to people far away (c) tell the time (d) see faraway stars
  10. 10.🔧 Which invention helps us see tiny germs? (a) microscope (b) stethoscope (c) thermometer (d) compass
  11. 11.🔧 Which invention helps us tell the time? (a) calculator (b) stethoscope (c) telescope (d) clock
  12. 12.What did Alessandro Volta give us? (a) the stethoscope (b) the electric battery (c) the first aeroplane (d) the smallpox vaccine
  13. 13.True or false: Alexander Fleming gave us the first aeroplane. (a) True (b) False
  14. 14.What did Louis Braille give us? (a) the telephone (b) the first aeroplane (c) the printing press (d) raised-dot writing
  15. 15.True or false: a compass helps us find directions. (a) False (b) True
  16. 16.What does a thermometer help us do? (a) hear the heartbeat (b) do sums quickly (c) measure body temperature (d) see tiny germs
  17. 17.True or false: Alessandro Volta gave us the electric battery. (a) False (b) True
  18. 18.💡 Who gave us the stethoscope? (a) René Laennec (b) Alessandro Volta (c) Alexander Fleming (d) Wilhelm Röntgen
  19. 19.What does a compass help us do? (a) hear the heartbeat (b) talk to people far away (c) tell the time (d) find directions
  20. 20.🔧 Which invention helps us do sums quickly? (a) calculator (b) clock (c) compass (d) telephone
  21. 21.What does a stethoscope help us do? (a) hear the heartbeat (b) do sums quickly (c) talk to people far away (d) tell the time
  22. 22.True or false: a calculator helps us do sums quickly. (a) False (b) True
  23. 23.True or false: Alexander Graham Bell gave us the telephone. (a) False (b) True
  24. 24.🔧 Which invention helps us print many books? (a) clock (b) telephone (c) thermometer (d) printing press
  25. 25.💡 Who gave us raised-dot writing? (a) the Wright brothers (b) Louis Braille (c) Alexander Fleming (d) Alexander Graham Bell
  26. 26.True or false: a telescope helps us do sums quickly. (a) True (b) False
  27. 27.True or false: René Laennec gave us penicillin. (a) False (b) True
  28. 28.What did Alexander Fleming give us? (a) the electric battery (b) raised-dot writing (c) penicillin (d) the stethoscope
  29. 29.True or false: Edward Jenner gave us the electric battery. (a) True (b) False
  30. 30.True or false: a thermometer helps us print many books. (a) False (b) True
  31. 31.What did Alexander Graham Bell give us? (a) the printing press (b) raised-dot writing (c) the telephone (d) the stethoscope
  32. 32.True or false: a microscope helps us hear the heartbeat. (a) True (b) False
  33. 33.What does a printing press help us do? (a) talk to people far away (b) measure body temperature (c) print many books (d) hear the heartbeat
  34. 34.💡 Who gave us the electric battery? (a) Louis Braille (b) Alessandro Volta (c) René Laennec (d) Edward Jenner
  35. 35.🔧 Which invention helps us talk to people far away? (a) thermometer (b) telephone (c) compass (d) stethoscope
  36. 36.What did René Laennec give us? (a) X-rays (b) the first aeroplane (c) penicillin (d) the stethoscope
  37. 37.True or false: a microscope helps us talk to people far away. (a) False (b) True
  38. 38.True or false: the Wright brothers gave us the first aeroplane. (a) False (b) True
  39. 39.💡 Who gave us the first aeroplane? (a) Alessandro Volta (b) Louis Braille (c) Wilhelm Röntgen (d) the Wright brothers
  40. 40.What does a telescope help us do? (a) see faraway stars (b) hear the heartbeat (c) print many books (d) talk to people far away

Answer key

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

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