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Class 4 GK Worksheet: Inventions and Inventors

GK lesson 21: Inventions and inventors · Set 571 · 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.What does a telephone help us do? (a) print many books (b) do sums quickly (c) see tiny germs (d) talk to people far away
  2. 2.💡 Who gave us the telephone? (a) Alexander Graham Bell (b) Edward Jenner (c) René Laennec (d) the Wright brothers
  3. 3.💡 Who gave us the stethoscope? (a) Edward Jenner (b) Alessandro Volta (c) René Laennec (d) the Wright brothers
  4. 4.🔧 Which invention helps us print many books? (a) printing press (b) telescope (c) thermometer (d) telephone
  5. 5.True or false: René Laennec gave us the printing press. (a) False (b) True
  6. 6.🔧 Which invention helps us see faraway stars? (a) telescope (b) compass (c) stethoscope (d) thermometer
  7. 7.🔧 Which invention helps us hear the heartbeat? (a) stethoscope (b) printing press (c) thermometer (d) clock
  8. 8.What does a thermometer help us do? (a) do sums quickly (b) see faraway stars (c) measure body temperature (d) talk to people far away
  9. 9.True or false: Edward Jenner gave us the smallpox vaccine. (a) True (b) False
  10. 10.What did Alexander Graham Bell give us? (a) the electric battery (b) the printing press (c) the stethoscope (d) the telephone
  11. 11.What does a microscope help us do? (a) talk to people far away (b) find directions (c) measure body temperature (d) see tiny germs
  12. 12.True or false: Alessandro Volta gave us the electric battery. (a) False (b) True
  13. 13.🔧 Which invention helps us tell the time? (a) calculator (b) telephone (c) clock (d) stethoscope
  14. 14.💡 Who gave us penicillin? (a) Johannes Gutenberg (b) Alexander Fleming (c) the Wright brothers (d) Alessandro Volta
  15. 15.What does a compass help us do? (a) hear the heartbeat (b) find directions (c) print many books (d) do sums quickly
  16. 16.True or false: the Wright brothers gave us the first aeroplane. (a) False (b) True
  17. 17.What did Alessandro Volta give us? (a) the electric battery (b) penicillin (c) the telephone (d) the smallpox vaccine
  18. 18.💡 Who gave us the electric battery? (a) the Wright brothers (b) Alessandro Volta (c) Alexander Fleming (d) Wilhelm Röntgen
  19. 19.True or false: a printing press helps us find directions. (a) True (b) False
  20. 20.What did the Wright brothers give us? (a) X-rays (b) the printing press (c) the first aeroplane (d) penicillin
  21. 21.What does a printing press help us do? (a) measure body temperature (b) find directions (c) print many books (d) hear the heartbeat
  22. 22.What does a clock help us do? (a) talk to people far away (b) measure body temperature (c) do sums quickly (d) tell the time
  23. 23.What did René Laennec give us? (a) raised-dot writing (b) the stethoscope (c) the electric battery (d) the first aeroplane
  24. 24.True or false: a telescope helps us do sums quickly. (a) False (b) True
  25. 25.What did Alexander Fleming give us? (a) the first aeroplane (b) the electric battery (c) the stethoscope (d) penicillin
  26. 26.🔧 Which invention helps us see tiny germs? (a) clock (b) thermometer (c) microscope (d) printing press
  27. 27.What does a stethoscope help us do? (a) print many books (b) find directions (c) talk to people far away (d) hear the heartbeat
  28. 28.What did Louis Braille give us? (a) raised-dot writing (b) the telephone (c) the stethoscope (d) the electric battery
  29. 29.True or false: a calculator helps us do sums quickly. (a) False (b) True
  30. 30.💡 Who gave us X-rays? (a) Alessandro Volta (b) Wilhelm Röntgen (c) Alexander Graham Bell (d) Louis Braille
  31. 31.💡 Who gave us the smallpox vaccine? (a) René Laennec (b) Edward Jenner (c) the Wright brothers (d) Johannes Gutenberg
  32. 32.What did Johannes Gutenberg give us? (a) the smallpox vaccine (b) raised-dot writing (c) penicillin (d) the printing press
  33. 33.True or false: a clock helps us tell the time. (a) True (b) False
  34. 34.🔧 Which invention helps us do sums quickly? (a) clock (b) calculator (c) telephone (d) compass
  35. 35.💡 Who gave us the first aeroplane? (a) Wilhelm Röntgen (b) Johannes Gutenberg (c) Alexander Graham Bell (d) the Wright brothers
  36. 36.🔧 Which invention helps us talk to people far away? (a) thermometer (b) telescope (c) clock (d) telephone
  37. 37.💡 Who gave us raised-dot writing? (a) René Laennec (b) Alessandro Volta (c) Louis Braille (d) Alexander Fleming
  38. 38.True or false: René Laennec gave us the stethoscope. (a) False (b) True
  39. 39.True or false: a telescope helps us see faraway stars. (a) True (b) False
  40. 40.True or false: a microscope helps us hear the heartbeat. (a) False (b) True

Answer key

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

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