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Class 4 GK Worksheet: Inventions and Inventors

GK lesson 21: Inventions and inventors · Set 870 · 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 compass helps us talk to people far away. (a) False (b) True
  2. 2.True or false: a telescope helps us see faraway stars. (a) False (b) True
  3. 3.💡 Who gave us penicillin? (a) Johannes Gutenberg (b) Alexander Graham Bell (c) Alexander Fleming (d) Wilhelm Röntgen
  4. 4.🔧 Which invention helps us see tiny germs? (a) printing press (b) microscope (c) stethoscope (d) calculator
  5. 5.💡 Who gave us the printing press? (a) René Laennec (b) Johannes Gutenberg (c) Edward Jenner (d) the Wright brothers
  6. 6.What does a stethoscope help us do? (a) hear the heartbeat (b) find directions (c) see tiny germs (d) measure body temperature
  7. 7.💡 Who gave us the telephone? (a) Alessandro Volta (b) Alexander Graham Bell (c) Johannes Gutenberg (d) Louis Braille
  8. 8.What does a thermometer help us do? (a) talk to people far away (b) tell the time (c) hear the heartbeat (d) measure body temperature
  9. 9.True or false: a stethoscope helps us hear the heartbeat. (a) False (b) True
  10. 10.True or false: a clock helps us tell the time. (a) True (b) False
  11. 11.What did Edward Jenner give us? (a) the printing press (b) the telephone (c) the electric battery (d) the smallpox vaccine
  12. 12.What did Wilhelm Röntgen give us? (a) the telephone (b) the electric battery (c) X-rays (d) the smallpox vaccine
  13. 13.What does a calculator help us do? (a) find directions (b) tell the time (c) talk to people far away (d) do sums quickly
  14. 14.💡 Who gave us the smallpox vaccine? (a) René Laennec (b) Edward Jenner (c) Johannes Gutenberg (d) Louis Braille
  15. 15.What did Alexander Graham Bell give us? (a) the telephone (b) the stethoscope (c) the electric battery (d) penicillin
  16. 16.💡 Who gave us the first aeroplane? (a) Alessandro Volta (b) Wilhelm Röntgen (c) the Wright brothers (d) Edward Jenner
  17. 17.What did René Laennec give us? (a) the smallpox vaccine (b) X-rays (c) the stethoscope (d) the printing press
  18. 18.What does a compass help us do? (a) measure body temperature (b) see tiny germs (c) find directions (d) do sums quickly
  19. 19.💡 Who gave us X-rays? (a) Wilhelm Röntgen (b) René Laennec (c) the Wright brothers (d) Alexander Graham Bell
  20. 20.True or false: René Laennec gave us the stethoscope. (a) False (b) True
  21. 21.💡 Who gave us the electric battery? (a) Alessandro Volta (b) Louis Braille (c) Edward Jenner (d) René Laennec
  22. 22.What does a telescope help us do? (a) see faraway stars (b) talk to people far away (c) see tiny germs (d) tell the time
  23. 23.🔧 Which invention helps us print many books? (a) telescope (b) printing press (c) thermometer (d) microscope
  24. 24.🔧 Which invention helps us tell the time? (a) stethoscope (b) thermometer (c) clock (d) telescope
  25. 25.💡 Who gave us raised-dot writing? (a) Edward Jenner (b) Louis Braille (c) Wilhelm Röntgen (d) Alessandro Volta
  26. 26.🔧 Which invention helps us do sums quickly? (a) telephone (b) compass (c) telescope (d) calculator
  27. 27.True or false: a calculator helps us do sums quickly. (a) False (b) True
  28. 28.What does a printing press help us do? (a) see faraway stars (b) talk to people far away (c) print many books (d) tell the time
  29. 29.True or false: Alessandro Volta gave us the telephone. (a) False (b) True
  30. 30.True or false: a telescope helps us tell the time. (a) True (b) False
  31. 31.🔧 Which invention helps us find directions? (a) telescope (b) printing press (c) compass (d) clock
  32. 32.💡 Who gave us the stethoscope? (a) Alessandro Volta (b) Louis Braille (c) René Laennec (d) Alexander Fleming
  33. 33.True or false: Louis Braille gave us raised-dot writing. (a) True (b) False
  34. 34.What did Johannes Gutenberg give us? (a) raised-dot writing (b) the telephone (c) penicillin (d) the printing press
  35. 35.What did the Wright brothers give us? (a) the telephone (b) raised-dot writing (c) the first aeroplane (d) the stethoscope
  36. 36.🔧 Which invention helps us measure body temperature? (a) telephone (b) clock (c) thermometer (d) printing press
  37. 37.True or false: Edward Jenner gave us the smallpox vaccine. (a) False (b) True
  38. 38.True or false: a stethoscope helps us tell the time. (a) True (b) False
  39. 39.True or false: a stethoscope helps us see faraway stars. (a) False (b) True
  40. 40.True or false: a telescope helps us talk to people far away. (a) False (b) True

Answer key

  1. False
  2. True
  3. Alexander Fleming
  4. microscope
  5. Johannes Gutenberg
  6. hear the heartbeat
  7. Alexander Graham Bell
  8. measure body temperature
  9. True
  10. True
  11. the smallpox vaccine
  12. X-rays
  13. do sums quickly
  14. Edward Jenner
  15. the telephone
  16. the Wright brothers
  17. the stethoscope
  18. find directions
  19. Wilhelm Röntgen
  20. True
  21. Alessandro Volta
  22. see faraway stars
  23. printing press
  24. clock
  25. Louis Braille
  26. calculator
  27. True
  28. print many books
  29. False
  30. False
  31. compass
  32. René Laennec
  33. True
  34. the printing press
  35. the first aeroplane
  36. thermometer
  37. True
  38. False
  39. False
  40. False

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