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Class 4 GK Worksheet: Inventions and Inventors

GK lesson 21: Inventions and inventors · Set 350 · 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 telescope helps us see faraway stars. (a) True (b) False
  2. 2.True or false: a microscope helps us see tiny germs. (a) True (b) False
  3. 3.🔧 Which invention helps us print many books? (a) printing press (b) stethoscope (c) clock (d) microscope
  4. 4.💡 Who gave us raised-dot writing? (a) the Wright brothers (b) René Laennec (c) Alexander Fleming (d) Louis Braille
  5. 5.💡 Who gave us the smallpox vaccine? (a) Alessandro Volta (b) the Wright brothers (c) Edward Jenner (d) Johannes Gutenberg
  6. 6.What did Edward Jenner give us? (a) X-rays (b) the electric battery (c) the telephone (d) the smallpox vaccine
  7. 7.True or false: Wilhelm Röntgen gave us raised-dot writing. (a) False (b) True
  8. 8.💡 Who gave us the telephone? (a) the Wright brothers (b) Johannes Gutenberg (c) Alexander Graham Bell (d) Alessandro Volta
  9. 9.💡 Who gave us the stethoscope? (a) René Laennec (b) Edward Jenner (c) Johannes Gutenberg (d) Wilhelm Röntgen
  10. 10.💡 Who gave us penicillin? (a) Edward Jenner (b) Wilhelm Röntgen (c) the Wright brothers (d) Alexander Fleming
  11. 11.🔧 Which invention helps us find directions? (a) telephone (b) clock (c) telescope (d) compass
  12. 12.True or false: Wilhelm Röntgen gave us the telephone. (a) True (b) False
  13. 13.What did Alessandro Volta give us? (a) the electric battery (b) the telephone (c) X-rays (d) the first aeroplane
  14. 14.True or false: René Laennec gave us the stethoscope. (a) True (b) False
  15. 15.True or false: the Wright brothers gave us the first aeroplane. (a) True (b) False
  16. 16.True or false: a clock helps us tell the time. (a) True (b) False
  17. 17.What does a telescope help us do? (a) print many books (b) see tiny germs (c) see faraway stars (d) measure body temperature
  18. 18.True or false: a clock helps us do sums quickly. (a) False (b) True
  19. 19.True or false: Johannes Gutenberg gave us the printing press. (a) True (b) False
  20. 20.What did Louis Braille give us? (a) the printing press (b) raised-dot writing (c) the telephone (d) the smallpox vaccine
  21. 21.What does a microscope help us do? (a) measure body temperature (b) tell the time (c) see tiny germs (d) talk to people far away
  22. 22.What does a compass help us do? (a) measure body temperature (b) find directions (c) do sums quickly (d) print many books
  23. 23.What did René Laennec give us? (a) penicillin (b) the stethoscope (c) the first aeroplane (d) the printing press
  24. 24.True or false: a thermometer helps us measure body temperature. (a) False (b) True
  25. 25.💡 Who gave us X-rays? (a) Wilhelm Röntgen (b) Alexander Graham Bell (c) Johannes Gutenberg (d) Edward Jenner
  26. 26.True or false: Alessandro Volta gave us raised-dot writing. (a) False (b) True
  27. 27.What did Wilhelm Röntgen give us? (a) penicillin (b) the stethoscope (c) X-rays (d) the printing press
  28. 28.🔧 Which invention helps us tell the time? (a) calculator (b) printing press (c) clock (d) thermometer
  29. 29.🔧 Which invention helps us see faraway stars? (a) printing press (b) calculator (c) telescope (d) telephone
  30. 30.True or false: a stethoscope helps us hear the heartbeat. (a) False (b) True
  31. 31.🔧 Which invention helps us talk to people far away? (a) microscope (b) telephone (c) telescope (d) clock
  32. 32.True or false: Alessandro Volta gave us penicillin. (a) True (b) False
  33. 33.🔧 Which invention helps us see tiny germs? (a) stethoscope (b) microscope (c) telephone (d) telescope
  34. 34.🔧 Which invention helps us hear the heartbeat? (a) calculator (b) stethoscope (c) telephone (d) microscope
  35. 35.True or false: Edward Jenner gave us the stethoscope. (a) True (b) False
  36. 36.💡 Who gave us the electric battery? (a) the Wright brothers (b) Alessandro Volta (c) René Laennec (d) Edward Jenner
  37. 37.True or false: Louis Braille gave us raised-dot writing. (a) False (b) True
  38. 38.What does a stethoscope help us do? (a) see tiny germs (b) talk to people far away (c) measure body temperature (d) hear the heartbeat
  39. 39.True or false: Alessandro Volta gave us the printing press. (a) True (b) False
  40. 40.True or false: a calculator helps us do sums quickly. (a) False (b) True

Answer key

  1. True
  2. True
  3. printing press
  4. Louis Braille
  5. Edward Jenner
  6. the smallpox vaccine
  7. False
  8. Alexander Graham Bell
  9. René Laennec
  10. Alexander Fleming
  11. compass
  12. False
  13. the electric battery
  14. True
  15. True
  16. True
  17. see faraway stars
  18. False
  19. True
  20. raised-dot writing
  21. see tiny germs
  22. find directions
  23. the stethoscope
  24. True
  25. Wilhelm Röntgen
  26. False
  27. X-rays
  28. clock
  29. telescope
  30. True
  31. telephone
  32. False
  33. microscope
  34. stethoscope
  35. False
  36. Alessandro Volta
  37. True
  38. hear the heartbeat
  39. False
  40. True

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