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Class 4 GK Worksheet: Inventions and Inventors

GK lesson 21: Inventions and inventors · Set 761 · 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.🔧 Which invention helps us measure body temperature? (a) printing press (b) thermometer (c) compass (d) telephone
  2. 2.What does a printing press help us do? (a) see tiny germs (b) see faraway stars (c) print many books (d) tell the time
  3. 3.True or false: Wilhelm Röntgen gave us raised-dot writing. (a) False (b) True
  4. 4.💡 Who gave us the stethoscope? (a) Alexander Graham Bell (b) the Wright brothers (c) René Laennec (d) Edward Jenner
  5. 5.What did René Laennec give us? (a) the first aeroplane (b) the electric battery (c) penicillin (d) the stethoscope
  6. 6.What does a stethoscope help us do? (a) hear the heartbeat (b) do sums quickly (c) talk to people far away (d) see tiny germs
  7. 7.💡 Who gave us the electric battery? (a) Wilhelm Röntgen (b) the Wright brothers (c) Alessandro Volta (d) Edward Jenner
  8. 8.True or false: a printing press helps us measure body temperature. (a) True (b) False
  9. 9.💡 Who gave us penicillin? (a) Edward Jenner (b) the Wright brothers (c) Alexander Fleming (d) Johannes Gutenberg
  10. 10.True or false: a thermometer helps us measure body temperature. (a) False (b) True
  11. 11.True or false: a printing press helps us find directions. (a) True (b) False
  12. 12.True or false: Edward Jenner gave us the smallpox vaccine. (a) True (b) False
  13. 13.💡 Who gave us X-rays? (a) Wilhelm Röntgen (b) Louis Braille (c) Johannes Gutenberg (d) the Wright brothers
  14. 14.🔧 Which invention helps us hear the heartbeat? (a) calculator (b) stethoscope (c) clock (d) microscope
  15. 15.🔧 Which invention helps us do sums quickly? (a) telescope (b) microscope (c) telephone (d) calculator
  16. 16.True or false: a telescope helps us see faraway stars. (a) False (b) True
  17. 17.What does a telephone help us do? (a) tell the time (b) talk to people far away (c) hear the heartbeat (d) do sums quickly
  18. 18.True or false: a telescope helps us tell the time. (a) False (b) True
  19. 19.True or false: a telephone helps us do sums quickly. (a) True (b) False
  20. 20.True or false: a compass helps us see faraway stars. (a) True (b) False
  21. 21.True or false: René Laennec gave us the first aeroplane. (a) False (b) True
  22. 22.What does a telescope help us do? (a) measure body temperature (b) hear the heartbeat (c) print many books (d) see faraway stars
  23. 23.True or false: the Wright brothers gave us the telephone. (a) True (b) False
  24. 24.True or false: a compass helps us find directions. (a) True (b) False
  25. 25.💡 Who gave us the smallpox vaccine? (a) the Wright brothers (b) Wilhelm Röntgen (c) Johannes Gutenberg (d) Edward Jenner
  26. 26.💡 Who gave us the first aeroplane? (a) Alexander Fleming (b) Alexander Graham Bell (c) the Wright brothers (d) Louis Braille
  27. 27.True or false: the Wright brothers gave us the smallpox vaccine. (a) True (b) False
  28. 28.💡 Who gave us raised-dot writing? (a) Alessandro Volta (b) Louis Braille (c) the Wright brothers (d) Johannes Gutenberg
  29. 29.What did Wilhelm Röntgen give us? (a) the first aeroplane (b) X-rays (c) penicillin (d) the electric battery
  30. 30.True or false: René Laennec gave us the stethoscope. (a) True (b) False
  31. 31.💡 Who gave us the printing press? (a) Johannes Gutenberg (b) Edward Jenner (c) Louis Braille (d) Alexander Graham Bell
  32. 32.What did Alessandro Volta give us? (a) the first aeroplane (b) the telephone (c) the electric battery (d) the smallpox vaccine
  33. 33.What does a clock help us do? (a) hear the heartbeat (b) tell the time (c) see tiny germs (d) see faraway stars
  34. 34.True or false: René Laennec gave us raised-dot writing. (a) True (b) False
  35. 35.True or false: a microscope helps us talk to people far away. (a) True (b) False
  36. 36.True or false: René Laennec gave us the electric battery. (a) False (b) True
  37. 37.What does a compass help us do? (a) see tiny germs (b) find directions (c) tell the time (d) hear the heartbeat
  38. 38.True or false: Alexander Graham Bell gave us raised-dot writing. (a) False (b) True
  39. 39.What did Alexander Graham Bell give us? (a) the first aeroplane (b) the telephone (c) raised-dot writing (d) the electric battery
  40. 40.🔧 Which invention helps us print many books? (a) thermometer (b) stethoscope (c) telephone (d) printing press

Answer key

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

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