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Class 4 GK Worksheet: Inventions and Inventors

GK lesson 21: Inventions and inventors · Set 854 · 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: a printing press helps us print many books. (a) False (b) True
  2. 2.💡 Who gave us the first aeroplane? (a) Louis Braille (b) Edward Jenner (c) Alexander Fleming (d) the Wright brothers
  3. 3.💡 Who gave us the telephone? (a) the Wright brothers (b) Alexander Graham Bell (c) Alexander Fleming (d) Johannes Gutenberg
  4. 4.What does a telephone help us do? (a) print many books (b) find directions (c) tell the time (d) talk to people far away
  5. 5.True or false: a microscope helps us see tiny germs. (a) True (b) False
  6. 6.💡 Who gave us raised-dot writing? (a) Alexander Fleming (b) Johannes Gutenberg (c) Edward Jenner (d) Louis Braille
  7. 7.💡 Who gave us the stethoscope? (a) Edward Jenner (b) Alexander Fleming (c) Louis Braille (d) René Laennec
  8. 8.What does a thermometer help us do? (a) hear the heartbeat (b) find directions (c) see faraway stars (d) measure body temperature
  9. 9.True or false: a microscope helps us talk to people far away. (a) False (b) True
  10. 10.💡 Who gave us the printing press? (a) René Laennec (b) Alexander Fleming (c) Johannes Gutenberg (d) Louis Braille
  11. 11.True or false: René Laennec gave us the first aeroplane. (a) True (b) False
  12. 12.What did the Wright brothers give us? (a) penicillin (b) the printing press (c) the first aeroplane (d) X-rays
  13. 13.🔧 Which invention helps us see faraway stars? (a) telescope (b) compass (c) telephone (d) thermometer
  14. 14.🔧 Which invention helps us tell the time? (a) thermometer (b) stethoscope (c) clock (d) calculator
  15. 15.True or false: Louis Braille gave us raised-dot writing. (a) False (b) True
  16. 16.What does a printing press help us do? (a) tell the time (b) talk to people far away (c) see tiny germs (d) print many books
  17. 17.💡 Who gave us the electric battery? (a) René Laennec (b) Edward Jenner (c) the Wright brothers (d) Alessandro Volta
  18. 18.True or false: Wilhelm Röntgen gave us X-rays. (a) False (b) True
  19. 19.True or false: a clock helps us print many books. (a) False (b) True
  20. 20.True or false: a calculator helps us find directions. (a) True (b) False
  21. 21.💡 Who gave us X-rays? (a) Louis Braille (b) Edward Jenner (c) Wilhelm Röntgen (d) Alexander Graham Bell
  22. 22.💡 Who gave us the smallpox vaccine? (a) Johannes Gutenberg (b) Edward Jenner (c) Alexander Fleming (d) the Wright brothers
  23. 23.🔧 Which invention helps us talk to people far away? (a) calculator (b) telephone (c) thermometer (d) telescope
  24. 24.True or false: Wilhelm Röntgen gave us the first aeroplane. (a) False (b) True
  25. 25.🔧 Which invention helps us see tiny germs? (a) microscope (b) stethoscope (c) clock (d) calculator
  26. 26.True or false: a stethoscope helps us measure body temperature. (a) False (b) True
  27. 27.💡 Who gave us penicillin? (a) the Wright brothers (b) Alexander Fleming (c) Alexander Graham Bell (d) Louis Braille
  28. 28.🔧 Which invention helps us print many books? (a) compass (b) stethoscope (c) printing press (d) telephone
  29. 29.True or false: a calculator helps us do sums quickly. (a) False (b) True
  30. 30.What does a clock help us do? (a) hear the heartbeat (b) find directions (c) see tiny germs (d) tell the time
  31. 31.True or false: a stethoscope helps us talk to people far away. (a) True (b) False
  32. 32.True or false: Alexander Graham Bell gave us the stethoscope. (a) False (b) True
  33. 33.What does a telescope help us do? (a) see faraway stars (b) tell the time (c) find directions (d) do sums quickly
  34. 34.True or false: a thermometer helps us do sums quickly. (a) False (b) True
  35. 35.🔧 Which invention helps us hear the heartbeat? (a) compass (b) calculator (c) printing press (d) stethoscope
  36. 36.What did Alexander Graham Bell give us? (a) the printing press (b) the stethoscope (c) the telephone (d) raised-dot writing
  37. 37.What did René Laennec give us? (a) X-rays (b) the smallpox vaccine (c) the first aeroplane (d) the stethoscope
  38. 38.True or false: a stethoscope helps us hear the heartbeat. (a) False (b) True
  39. 39.True or false: a compass helps us see faraway stars. (a) True (b) False
  40. 40.True or false: Edward Jenner gave us the smallpox vaccine. (a) False (b) True

Answer key

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

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