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Class 4 GK Worksheet: Inventions and Inventors

GK lesson 21: Inventions and inventors · Set 388 · 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 clock helps us see faraway stars. (a) True (b) False
  2. 2.True or false: Alexander Fleming gave us the electric battery. (a) True (b) False
  3. 3.True or false: Johannes Gutenberg gave us the electric battery. (a) True (b) False
  4. 4.🔧 Which invention helps us hear the heartbeat? (a) printing press (b) calculator (c) stethoscope (d) thermometer
  5. 5.💡 Who gave us raised-dot writing? (a) Alessandro Volta (b) René Laennec (c) Louis Braille (d) Alexander Graham Bell
  6. 6.💡 Who gave us X-rays? (a) Johannes Gutenberg (b) Wilhelm Röntgen (c) Louis Braille (d) Alessandro Volta
  7. 7.🔧 Which invention helps us measure body temperature? (a) stethoscope (b) clock (c) thermometer (d) printing press
  8. 8.💡 Who gave us the telephone? (a) Johannes Gutenberg (b) the Wright brothers (c) Alessandro Volta (d) Alexander Graham Bell
  9. 9.What does a compass help us do? (a) tell the time (b) print many books (c) find directions (d) see faraway stars
  10. 10.What did Louis Braille give us? (a) the stethoscope (b) X-rays (c) the telephone (d) raised-dot writing
  11. 11.🔧 Which invention helps us see faraway stars? (a) printing press (b) compass (c) telescope (d) calculator
  12. 12.💡 Who gave us the stethoscope? (a) Edward Jenner (b) Alessandro Volta (c) René Laennec (d) the Wright brothers
  13. 13.🔧 Which invention helps us print many books? (a) printing press (b) telephone (c) microscope (d) clock
  14. 14.What did Alexander Fleming give us? (a) X-rays (b) penicillin (c) the telephone (d) the smallpox vaccine
  15. 15.What does a clock help us do? (a) measure body temperature (b) tell the time (c) do sums quickly (d) talk to people far away
  16. 16.True or false: a printing press helps us do sums quickly. (a) True (b) False
  17. 17.What did the Wright brothers give us? (a) X-rays (b) the smallpox vaccine (c) the first aeroplane (d) the electric battery
  18. 18.True or false: the Wright brothers gave us the first aeroplane. (a) True (b) False
  19. 19.What did Alessandro Volta give us? (a) the stethoscope (b) the electric battery (c) the telephone (d) the printing press
  20. 20.True or false: a stethoscope helps us see tiny germs. (a) True (b) False
  21. 21.🔧 Which invention helps us find directions? (a) clock (b) microscope (c) calculator (d) compass
  22. 22.True or false: Edward Jenner gave us raised-dot writing. (a) True (b) False
  23. 23.💡 Who gave us the smallpox vaccine? (a) the Wright brothers (b) Edward Jenner (c) René Laennec (d) Johannes Gutenberg
  24. 24.💡 Who gave us the first aeroplane? (a) the Wright brothers (b) Johannes Gutenberg (c) Louis Braille (d) René Laennec
  25. 25.True or false: a telescope helps us see faraway stars. (a) False (b) True
  26. 26.What did Alexander Graham Bell give us? (a) the first aeroplane (b) the electric battery (c) the telephone (d) raised-dot writing
  27. 27.What does a calculator help us do? (a) see faraway stars (b) do sums quickly (c) find directions (d) talk to people far away
  28. 28.What does a stethoscope help us do? (a) print many books (b) measure body temperature (c) find directions (d) hear the heartbeat
  29. 29.What does a microscope help us do? (a) see faraway stars (b) hear the heartbeat (c) tell the time (d) see tiny germs
  30. 30.What does a telescope help us do? (a) tell the time (b) find directions (c) print many books (d) see faraway stars
  31. 31.True or false: Alessandro Volta gave us the printing press. (a) False (b) True
  32. 32.True or false: Louis Braille gave us the printing press. (a) False (b) True
  33. 33.True or false: a thermometer helps us do sums quickly. (a) False (b) True
  34. 34.True or false: a compass helps us find directions. (a) False (b) True
  35. 35.True or false: a printing press helps us print many books. (a) False (b) True
  36. 36.True or false: a telephone helps us talk to people far away. (a) True (b) False
  37. 37.What did René Laennec give us? (a) the telephone (b) X-rays (c) the first aeroplane (d) the stethoscope
  38. 38.True or false: a thermometer helps us measure body temperature. (a) True (b) False
  39. 39.True or false: Alessandro Volta gave us the electric battery. (a) True (b) False
  40. 40.True or false: Alexander Graham Bell gave us the telephone. (a) True (b) False

Answer key

  1. False
  2. False
  3. False
  4. stethoscope
  5. Louis Braille
  6. Wilhelm Röntgen
  7. thermometer
  8. Alexander Graham Bell
  9. find directions
  10. raised-dot writing
  11. telescope
  12. René Laennec
  13. printing press
  14. penicillin
  15. tell the time
  16. False
  17. the first aeroplane
  18. True
  19. the electric battery
  20. False
  21. compass
  22. False
  23. Edward Jenner
  24. the Wright brothers
  25. True
  26. the telephone
  27. do sums quickly
  28. hear the heartbeat
  29. see tiny germs
  30. see faraway stars
  31. False
  32. False
  33. False
  34. True
  35. True
  36. True
  37. the stethoscope
  38. True
  39. True
  40. True

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