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Class 4 GK Worksheet: Inventions and Inventors

GK lesson 21: Inventions and inventors · Set 694 · 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 thermometer helps us see tiny germs. (a) False (b) True
  2. 2.💡 Who gave us the first aeroplane? (a) Louis Braille (b) the Wright brothers (c) René Laennec (d) Edward Jenner
  3. 3.True or false: René Laennec gave us the smallpox vaccine. (a) False (b) True
  4. 4.🔧 Which invention helps us tell the time? (a) microscope (b) clock (c) thermometer (d) telephone
  5. 5.True or false: a calculator helps us talk to people far away. (a) True (b) False
  6. 6.True or false: Alessandro Volta gave us the smallpox vaccine. (a) False (b) True
  7. 7.What does a telescope help us do? (a) tell the time (b) talk to people far away (c) hear the heartbeat (d) see faraway stars
  8. 8.True or false: Johannes Gutenberg gave us the printing press. (a) True (b) False
  9. 9.What does a stethoscope help us do? (a) tell the time (b) do sums quickly (c) print many books (d) hear the heartbeat
  10. 10.💡 Who gave us raised-dot writing? (a) Alexander Fleming (b) Johannes Gutenberg (c) Louis Braille (d) the Wright brothers
  11. 11.What did Johannes Gutenberg give us? (a) the printing press (b) the telephone (c) the first aeroplane (d) the electric battery
  12. 12.True or false: a calculator helps us do sums quickly. (a) False (b) True
  13. 13.What does a printing press help us do? (a) talk to people far away (b) tell the time (c) measure body temperature (d) print many books
  14. 14.🔧 Which invention helps us hear the heartbeat? (a) telephone (b) clock (c) calculator (d) stethoscope
  15. 15.What does a telephone help us do? (a) hear the heartbeat (b) tell the time (c) talk to people far away (d) see faraway stars
  16. 16.💡 Who gave us the stethoscope? (a) René Laennec (b) Louis Braille (c) Alexander Graham Bell (d) Johannes Gutenberg
  17. 17.True or false: René Laennec gave us the printing press. (a) False (b) True
  18. 18.What does a thermometer help us do? (a) see tiny germs (b) talk to people far away (c) measure body temperature (d) tell the time
  19. 19.🔧 Which invention helps us measure body temperature? (a) microscope (b) telescope (c) thermometer (d) printing press
  20. 20.What did Alexander Graham Bell give us? (a) X-rays (b) the smallpox vaccine (c) the telephone (d) raised-dot writing
  21. 21.What did Alessandro Volta give us? (a) the telephone (b) the electric battery (c) the first aeroplane (d) the smallpox vaccine
  22. 22.True or false: a telescope helps us do sums quickly. (a) False (b) True
  23. 23.True or false: Louis Braille gave us X-rays. (a) True (b) False
  24. 24.What does a microscope help us do? (a) see tiny germs (b) talk to people far away (c) tell the time (d) hear the heartbeat
  25. 25.True or false: a printing press helps us print many books. (a) False (b) True
  26. 26.What did Wilhelm Röntgen give us? (a) the electric battery (b) the stethoscope (c) X-rays (d) the first aeroplane
  27. 27.💡 Who gave us penicillin? (a) Alexander Fleming (b) the Wright brothers (c) Johannes Gutenberg (d) Wilhelm Röntgen
  28. 28.True or false: Johannes Gutenberg gave us the smallpox vaccine. (a) True (b) False
  29. 29.True or false: a telephone helps us see faraway stars. (a) True (b) False
  30. 30.💡 Who gave us the electric battery? (a) Louis Braille (b) Alessandro Volta (c) Edward Jenner (d) Johannes Gutenberg
  31. 31.True or false: Alexander Graham Bell gave us the telephone. (a) False (b) True
  32. 32.🔧 Which invention helps us talk to people far away? (a) telephone (b) clock (c) stethoscope (d) microscope
  33. 33.True or false: Wilhelm Röntgen gave us the printing press. (a) True (b) False
  34. 34.💡 Who gave us the smallpox vaccine? (a) Wilhelm Röntgen (b) the Wright brothers (c) Louis Braille (d) Edward Jenner
  35. 35.True or false: Wilhelm Röntgen gave us X-rays. (a) True (b) False
  36. 36.True or false: Alexander Graham Bell gave us the first aeroplane. (a) True (b) False
  37. 37.True or false: Edward Jenner gave us the telephone. (a) False (b) True
  38. 38.True or false: a stethoscope helps us find directions. (a) True (b) False
  39. 39.🔧 Which invention helps us see faraway stars? (a) clock (b) compass (c) telescope (d) telephone
  40. 40.True or false: Wilhelm Röntgen gave us the telephone. (a) True (b) False

Answer key

  1. False
  2. the Wright brothers
  3. False
  4. clock
  5. False
  6. False
  7. see faraway stars
  8. True
  9. hear the heartbeat
  10. Louis Braille
  11. the printing press
  12. True
  13. print many books
  14. stethoscope
  15. talk to people far away
  16. René Laennec
  17. False
  18. measure body temperature
  19. thermometer
  20. the telephone
  21. the electric battery
  22. False
  23. False
  24. see tiny germs
  25. True
  26. X-rays
  27. Alexander Fleming
  28. False
  29. False
  30. Alessandro Volta
  31. True
  32. telephone
  33. False
  34. Edward Jenner
  35. True
  36. False
  37. False
  38. False
  39. telescope
  40. False

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