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Class 4 GK Worksheet: Inventions and Inventors

GK lesson 21: Inventions and inventors · Set 179 · 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 microscope helps us measure body temperature. (a) True (b) False
  2. 2.True or false: a thermometer helps us print many books. (a) True (b) False
  3. 3.What did Louis Braille give us? (a) the stethoscope (b) the telephone (c) raised-dot writing (d) X-rays
  4. 4.What did Alessandro Volta give us? (a) the electric battery (b) the smallpox vaccine (c) the telephone (d) the first aeroplane
  5. 5.💡 Who gave us the first aeroplane? (a) Edward Jenner (b) Louis Braille (c) Alessandro Volta (d) the Wright brothers
  6. 6.What did Alexander Graham Bell give us? (a) penicillin (b) the first aeroplane (c) raised-dot writing (d) the telephone
  7. 7.True or false: a stethoscope helps us hear the heartbeat. (a) True (b) False
  8. 8.🔧 Which invention helps us hear the heartbeat? (a) compass (b) stethoscope (c) calculator (d) thermometer
  9. 9.True or false: a telephone helps us tell the time. (a) True (b) False
  10. 10.💡 Who gave us raised-dot writing? (a) the Wright brothers (b) Edward Jenner (c) Alexander Fleming (d) Louis Braille
  11. 11.True or false: Alexander Graham Bell gave us the telephone. (a) False (b) True
  12. 12.True or false: a calculator helps us talk to people far away. (a) True (b) False
  13. 13.What did Alexander Fleming give us? (a) the telephone (b) the printing press (c) the first aeroplane (d) penicillin
  14. 14.What does a telephone help us do? (a) see faraway stars (b) talk to people far away (c) find directions (d) tell the time
  15. 15.True or false: a clock helps us tell the time. (a) True (b) False
  16. 16.True or false: René Laennec gave us the stethoscope. (a) True (b) False
  17. 17.True or false: a telescope helps us hear the heartbeat. (a) True (b) False
  18. 18.🔧 Which invention helps us talk to people far away? (a) compass (b) calculator (c) thermometer (d) telephone
  19. 19.What did the Wright brothers give us? (a) the first aeroplane (b) the telephone (c) the printing press (d) penicillin
  20. 20.What did Wilhelm Röntgen give us? (a) X-rays (b) the printing press (c) the smallpox vaccine (d) the telephone
  21. 21.True or false: Johannes Gutenberg gave us X-rays. (a) True (b) False
  22. 22.🔧 Which invention helps us do sums quickly? (a) thermometer (b) clock (c) calculator (d) telephone
  23. 23.True or false: Edward Jenner gave us the electric battery. (a) False (b) True
  24. 24.🔧 Which invention helps us see tiny germs? (a) thermometer (b) microscope (c) stethoscope (d) clock
  25. 25.💡 Who gave us the telephone? (a) Alexander Fleming (b) Alessandro Volta (c) Wilhelm Röntgen (d) Alexander Graham Bell
  26. 26.True or false: a compass helps us see tiny germs. (a) True (b) False
  27. 27.🔧 Which invention helps us measure body temperature? (a) calculator (b) stethoscope (c) printing press (d) thermometer
  28. 28.💡 Who gave us the printing press? (a) Alexander Fleming (b) Wilhelm Röntgen (c) Johannes Gutenberg (d) René Laennec
  29. 29.What does a clock help us do? (a) do sums quickly (b) measure body temperature (c) tell the time (d) hear the heartbeat
  30. 30.What does a calculator help us do? (a) do sums quickly (b) measure body temperature (c) hear the heartbeat (d) print many books
  31. 31.What does a stethoscope help us do? (a) talk to people far away (b) find directions (c) hear the heartbeat (d) do sums quickly
  32. 32.What does a telescope help us do? (a) find directions (b) talk to people far away (c) see faraway stars (d) see tiny germs
  33. 33.True or false: Edward Jenner gave us the smallpox vaccine. (a) False (b) True
  34. 34.🔧 Which invention helps us see faraway stars? (a) telephone (b) telescope (c) thermometer (d) calculator
  35. 35.True or false: a compass helps us find directions. (a) True (b) False
  36. 36.True or false: a microscope helps us see tiny germs. (a) True (b) False
  37. 37.🔧 Which invention helps us print many books? (a) compass (b) thermometer (c) calculator (d) printing press
  38. 38.True or false: a telephone helps us hear the heartbeat. (a) False (b) True
  39. 39.What does a printing press help us do? (a) print many books (b) see faraway stars (c) measure body temperature (d) talk to people far away
  40. 40.💡 Who gave us the electric battery? (a) René Laennec (b) the Wright brothers (c) Alexander Fleming (d) Alessandro Volta

Answer key

  1. False
  2. False
  3. raised-dot writing
  4. the electric battery
  5. the Wright brothers
  6. the telephone
  7. True
  8. stethoscope
  9. False
  10. Louis Braille
  11. True
  12. False
  13. penicillin
  14. talk to people far away
  15. True
  16. True
  17. False
  18. telephone
  19. the first aeroplane
  20. X-rays
  21. False
  22. calculator
  23. False
  24. microscope
  25. Alexander Graham Bell
  26. False
  27. thermometer
  28. Johannes Gutenberg
  29. tell the time
  30. do sums quickly
  31. hear the heartbeat
  32. see faraway stars
  33. True
  34. telescope
  35. True
  36. True
  37. printing press
  38. False
  39. print many books
  40. Alessandro Volta

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