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Class 4 GK Worksheet: Inventions and Inventors

GK lesson 21: Inventions and inventors · Set 115 · 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 find directions? (a) compass (b) telephone (c) printing press (d) stethoscope
  2. 2.💡 Who gave us penicillin? (a) René Laennec (b) Alexander Fleming (c) Johannes Gutenberg (d) Wilhelm Röntgen
  3. 3.True or false: Louis Braille gave us the stethoscope. (a) False (b) True
  4. 4.What did Wilhelm Röntgen give us? (a) the first aeroplane (b) X-rays (c) the stethoscope (d) the telephone
  5. 5.True or false: the Wright brothers gave us the stethoscope. (a) False (b) True
  6. 6.What does a microscope help us do? (a) see faraway stars (b) hear the heartbeat (c) see tiny germs (d) do sums quickly
  7. 7.What did the Wright brothers give us? (a) the printing press (b) raised-dot writing (c) the electric battery (d) the first aeroplane
  8. 8.What does a clock help us do? (a) see tiny germs (b) measure body temperature (c) hear the heartbeat (d) tell the time
  9. 9.💡 Who gave us raised-dot writing? (a) Johannes Gutenberg (b) Edward Jenner (c) Louis Braille (d) Alessandro Volta
  10. 10.🔧 Which invention helps us see faraway stars? (a) printing press (b) telephone (c) clock (d) telescope
  11. 11.What did Louis Braille give us? (a) the printing press (b) the smallpox vaccine (c) raised-dot writing (d) X-rays
  12. 12.What did Alexander Graham Bell give us? (a) the stethoscope (b) X-rays (c) the smallpox vaccine (d) the telephone
  13. 13.True or false: a stethoscope helps us find directions. (a) True (b) False
  14. 14.True or false: Alessandro Volta gave us the electric battery. (a) False (b) True
  15. 15.🔧 Which invention helps us hear the heartbeat? (a) thermometer (b) stethoscope (c) telescope (d) calculator
  16. 16.True or false: a calculator helps us do sums quickly. (a) True (b) False
  17. 17.True or false: a telephone helps us hear the heartbeat. (a) False (b) True
  18. 18.💡 Who gave us the electric battery? (a) Alessandro Volta (b) Edward Jenner (c) Alexander Fleming (d) the Wright brothers
  19. 19.🔧 Which invention helps us see tiny germs? (a) printing press (b) telephone (c) microscope (d) compass
  20. 20.What does a printing press help us do? (a) print many books (b) see tiny germs (c) hear the heartbeat (d) do sums quickly
  21. 21.🔧 Which invention helps us measure body temperature? (a) printing press (b) clock (c) thermometer (d) telescope
  22. 22.True or false: a clock helps us tell the time. (a) False (b) True
  23. 23.What does a calculator help us do? (a) do sums quickly (b) tell the time (c) see faraway stars (d) measure body temperature
  24. 24.What did René Laennec give us? (a) the printing press (b) the stethoscope (c) penicillin (d) the telephone
  25. 25.True or false: Wilhelm Röntgen gave us X-rays. (a) True (b) False
  26. 26.True or false: a telescope helps us see faraway stars. (a) False (b) True
  27. 27.True or false: René Laennec gave us X-rays. (a) False (b) True
  28. 28.🔧 Which invention helps us talk to people far away? (a) stethoscope (b) telephone (c) calculator (d) telescope
  29. 29.💡 Who gave us the smallpox vaccine? (a) Alexander Fleming (b) Louis Braille (c) the Wright brothers (d) Edward Jenner
  30. 30.True or false: Louis Braille gave us raised-dot writing. (a) False (b) True
  31. 31.💡 Who gave us the first aeroplane? (a) Alexander Graham Bell (b) Alexander Fleming (c) Louis Braille (d) the Wright brothers
  32. 32.💡 Who gave us X-rays? (a) Alexander Fleming (b) Louis Braille (c) Wilhelm Röntgen (d) Edward Jenner
  33. 33.True or false: the Wright brothers gave us raised-dot writing. (a) True (b) False
  34. 34.True or false: Wilhelm Röntgen gave us the printing press. (a) True (b) False
  35. 35.💡 Who gave us the printing press? (a) René Laennec (b) Alexander Fleming (c) Johannes Gutenberg (d) Wilhelm Röntgen
  36. 36.True or false: a calculator helps us hear the heartbeat. (a) False (b) True
  37. 37.What does a compass help us do? (a) hear the heartbeat (b) find directions (c) print many books (d) do sums quickly
  38. 38.What did Alexander Fleming give us? (a) the first aeroplane (b) raised-dot writing (c) penicillin (d) the printing press
  39. 39.True or false: René Laennec gave us the stethoscope. (a) False (b) True
  40. 40.True or false: a telescope helps us tell the time. (a) True (b) False

Answer key

  1. compass
  2. Alexander Fleming
  3. False
  4. X-rays
  5. False
  6. see tiny germs
  7. the first aeroplane
  8. tell the time
  9. Louis Braille
  10. telescope
  11. raised-dot writing
  12. the telephone
  13. False
  14. True
  15. stethoscope
  16. True
  17. False
  18. Alessandro Volta
  19. microscope
  20. print many books
  21. thermometer
  22. True
  23. do sums quickly
  24. the stethoscope
  25. True
  26. True
  27. False
  28. telephone
  29. Edward Jenner
  30. True
  31. the Wright brothers
  32. Wilhelm Röntgen
  33. False
  34. False
  35. Johannes Gutenberg
  36. False
  37. find directions
  38. penicillin
  39. True
  40. False

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