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Class 4 GK Worksheet: Inventions and Inventors

GK lesson 21: Inventions and inventors · Set 456 · 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.💡 Who gave us the printing press? (a) Johannes Gutenberg (b) Wilhelm Röntgen (c) René Laennec (d) Alexander Graham Bell
  2. 2.What does a clock help us do? (a) see faraway stars (b) measure body temperature (c) tell the time (d) hear the heartbeat
  3. 3.💡 Who gave us the electric battery? (a) Alessandro Volta (b) Alexander Fleming (c) Johannes Gutenberg (d) René Laennec
  4. 4.True or false: a stethoscope helps us tell the time. (a) False (b) True
  5. 5.💡 Who gave us X-rays? (a) Alexander Graham Bell (b) Edward Jenner (c) Wilhelm Röntgen (d) Alexander Fleming
  6. 6.💡 Who gave us the first aeroplane? (a) Alexander Graham Bell (b) Johannes Gutenberg (c) the Wright brothers (d) Louis Braille
  7. 7.True or false: a stethoscope helps us talk to people far away. (a) True (b) False
  8. 8.What does a calculator help us do? (a) print many books (b) talk to people far away (c) do sums quickly (d) hear the heartbeat
  9. 9.💡 Who gave us the stethoscope? (a) the Wright brothers (b) Alexander Fleming (c) Alexander Graham Bell (d) René Laennec
  10. 10.💡 Who gave us the telephone? (a) René Laennec (b) Wilhelm Röntgen (c) Alexander Graham Bell (d) Edward Jenner
  11. 11.True or false: the Wright brothers gave us the first aeroplane. (a) True (b) False
  12. 12.True or false: Alexander Graham Bell gave us the first aeroplane. (a) False (b) True
  13. 13.True or false: Louis Braille gave us raised-dot writing. (a) False (b) True
  14. 14.True or false: a clock helps us hear the heartbeat. (a) False (b) True
  15. 15.True or false: Alexander Graham Bell gave us the smallpox vaccine. (a) True (b) False
  16. 16.What does a telephone help us do? (a) hear the heartbeat (b) talk to people far away (c) see tiny germs (d) print many books
  17. 17.True or false: a telescope helps us see faraway stars. (a) True (b) False
  18. 18.What did René Laennec give us? (a) the stethoscope (b) the first aeroplane (c) the electric battery (d) the printing press
  19. 19.True or false: a calculator helps us hear the heartbeat. (a) True (b) False
  20. 20.What does a microscope help us do? (a) tell the time (b) print many books (c) see tiny germs (d) find directions
  21. 21.What does a thermometer help us do? (a) measure body temperature (b) find directions (c) hear the heartbeat (d) tell the time
  22. 22.True or false: Alexander Fleming gave us penicillin. (a) False (b) True
  23. 23.🔧 Which invention helps us print many books? (a) telephone (b) calculator (c) thermometer (d) printing press
  24. 24.True or false: Wilhelm Röntgen gave us X-rays. (a) False (b) True
  25. 25.True or false: a stethoscope helps us hear the heartbeat. (a) True (b) False
  26. 26.True or false: a printing press helps us do sums quickly. (a) True (b) False
  27. 27.🔧 Which invention helps us see faraway stars? (a) compass (b) clock (c) telescope (d) telephone
  28. 28.What did Alexander Fleming give us? (a) the stethoscope (b) penicillin (c) the smallpox vaccine (d) the telephone
  29. 29.True or false: a calculator helps us do sums quickly. (a) False (b) True
  30. 30.What did Wilhelm Röntgen give us? (a) the smallpox vaccine (b) penicillin (c) X-rays (d) raised-dot writing
  31. 31.💡 Who gave us penicillin? (a) René Laennec (b) Louis Braille (c) Johannes Gutenberg (d) Alexander Fleming
  32. 32.What does a stethoscope help us do? (a) find directions (b) hear the heartbeat (c) tell the time (d) see faraway stars
  33. 33.🔧 Which invention helps us hear the heartbeat? (a) telescope (b) calculator (c) stethoscope (d) telephone
  34. 34.💡 Who gave us raised-dot writing? (a) Alexander Graham Bell (b) Louis Braille (c) the Wright brothers (d) Johannes Gutenberg
  35. 35.True or false: a microscope helps us measure body temperature. (a) False (b) True
  36. 36.What did the Wright brothers give us? (a) raised-dot writing (b) the telephone (c) the stethoscope (d) the first aeroplane
  37. 37.True or false: Alexander Graham Bell gave us the telephone. (a) False (b) True
  38. 38.True or false: a stethoscope helps us do sums quickly. (a) False (b) True
  39. 39.True or false: Wilhelm Röntgen gave us the electric battery. (a) False (b) True
  40. 40.True or false: a telephone helps us tell the time. (a) False (b) True

Answer key

  1. Johannes Gutenberg
  2. tell the time
  3. Alessandro Volta
  4. False
  5. Wilhelm Röntgen
  6. the Wright brothers
  7. False
  8. do sums quickly
  9. René Laennec
  10. Alexander Graham Bell
  11. True
  12. False
  13. True
  14. False
  15. False
  16. talk to people far away
  17. True
  18. the stethoscope
  19. False
  20. see tiny germs
  21. measure body temperature
  22. True
  23. printing press
  24. True
  25. True
  26. False
  27. telescope
  28. penicillin
  29. True
  30. X-rays
  31. Alexander Fleming
  32. hear the heartbeat
  33. stethoscope
  34. Louis Braille
  35. False
  36. the first aeroplane
  37. True
  38. False
  39. False
  40. False

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