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Class 4 GK Worksheet: Inventions and Inventors

GK lesson 21: Inventions and inventors · Set 891 · 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 raised-dot writing. (a) False (b) True
  2. 2.🔧 Which invention helps us talk to people far away? (a) clock (b) calculator (c) compass (d) telephone
  3. 3.True or false: Alexander Graham Bell gave us the electric battery. (a) False (b) True
  4. 4.💡 Who gave us the first aeroplane? (a) Alessandro Volta (b) the Wright brothers (c) René Laennec (d) Alexander Graham Bell
  5. 5.True or false: Alexander Graham Bell gave us the telephone. (a) True (b) False
  6. 6.🔧 Which invention helps us see tiny germs? (a) telescope (b) thermometer (c) microscope (d) clock
  7. 7.💡 Who gave us the smallpox vaccine? (a) Louis Braille (b) Alexander Graham Bell (c) Edward Jenner (d) Alexander Fleming
  8. 8.💡 Who gave us raised-dot writing? (a) Alexander Fleming (b) Wilhelm Röntgen (c) Alexander Graham Bell (d) Louis Braille
  9. 9.What does a clock help us do? (a) do sums quickly (b) find directions (c) talk to people far away (d) tell the time
  10. 10.True or false: a telescope helps us measure body temperature. (a) False (b) True
  11. 11.True or false: a calculator helps us do sums quickly. (a) True (b) False
  12. 12.What did René Laennec give us? (a) the stethoscope (b) raised-dot writing (c) the telephone (d) the first aeroplane
  13. 13.What did the Wright brothers give us? (a) the first aeroplane (b) the electric battery (c) the smallpox vaccine (d) raised-dot writing
  14. 14.True or false: a thermometer helps us talk to people far away. (a) True (b) False
  15. 15.True or false: the Wright brothers gave us the first aeroplane. (a) False (b) True
  16. 16.True or false: Louis Braille gave us raised-dot writing. (a) False (b) True
  17. 17.True or false: Alessandro Volta gave us raised-dot writing. (a) False (b) True
  18. 18.💡 Who gave us the electric battery? (a) Alessandro Volta (b) Edward Jenner (c) René Laennec (d) the Wright brothers
  19. 19.What does a microscope help us do? (a) measure body temperature (b) see tiny germs (c) hear the heartbeat (d) print many books
  20. 20.🔧 Which invention helps us print many books? (a) thermometer (b) stethoscope (c) printing press (d) telephone
  21. 21.🔧 Which invention helps us do sums quickly? (a) stethoscope (b) clock (c) telescope (d) calculator
  22. 22.What did Louis Braille give us? (a) the first aeroplane (b) penicillin (c) raised-dot writing (d) the telephone
  23. 23.True or false: a printing press helps us do sums quickly. (a) True (b) False
  24. 24.What did Edward Jenner give us? (a) the stethoscope (b) the smallpox vaccine (c) raised-dot writing (d) the first aeroplane
  25. 25.🔧 Which invention helps us see faraway stars? (a) printing press (b) thermometer (c) telescope (d) calculator
  26. 26.What does a thermometer help us do? (a) see tiny germs (b) talk to people far away (c) print many books (d) measure body temperature
  27. 27.True or false: a microscope helps us see faraway stars. (a) True (b) False
  28. 28.💡 Who gave us the telephone? (a) Alexander Graham Bell (b) Johannes Gutenberg (c) Alexander Fleming (d) the Wright brothers
  29. 29.💡 Who gave us X-rays? (a) Wilhelm Röntgen (b) René Laennec (c) the Wright brothers (d) Edward Jenner
  30. 30.True or false: Edward Jenner gave us the smallpox vaccine. (a) True (b) False
  31. 31.What did Alexander Fleming give us? (a) the first aeroplane (b) the telephone (c) penicillin (d) the smallpox vaccine
  32. 32.What does a compass help us do? (a) print many books (b) see faraway stars (c) find directions (d) do sums quickly
  33. 33.🔧 Which invention helps us tell the time? (a) telescope (b) clock (c) calculator (d) stethoscope
  34. 34.💡 Who gave us penicillin? (a) Alexander Fleming (b) the Wright brothers (c) Alexander Graham Bell (d) Alessandro Volta
  35. 35.What does a calculator help us do? (a) do sums quickly (b) talk to people far away (c) print many books (d) see faraway stars
  36. 36.What does a stethoscope help us do? (a) print many books (b) hear the heartbeat (c) see faraway stars (d) see tiny germs
  37. 37.True or false: a compass helps us find directions. (a) False (b) True
  38. 38.What did Johannes Gutenberg give us? (a) the first aeroplane (b) penicillin (c) the printing press (d) the smallpox vaccine
  39. 39.True or false: a microscope helps us see tiny germs. (a) True (b) False
  40. 40.True or false: a printing press helps us tell the time. (a) False (b) True

Answer key

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

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