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Class 4 GK Worksheet: Inventions and Inventors

GK lesson 21: Inventions and inventors · Set 96 · 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: Alessandro Volta gave us the electric battery. (a) False (b) True
  2. 2.💡 Who gave us X-rays? (a) Louis Braille (b) Alexander Graham Bell (c) Wilhelm Röntgen (d) the Wright brothers
  3. 3.💡 Who gave us raised-dot writing? (a) Alexander Fleming (b) Louis Braille (c) the Wright brothers (d) Alessandro Volta
  4. 4.🔧 Which invention helps us find directions? (a) stethoscope (b) telephone (c) compass (d) microscope
  5. 5.True or false: a stethoscope helps us hear the heartbeat. (a) True (b) False
  6. 6.What did Johannes Gutenberg give us? (a) the printing press (b) penicillin (c) the electric battery (d) the stethoscope
  7. 7.🔧 Which invention helps us talk to people far away? (a) compass (b) calculator (c) microscope (d) telephone
  8. 8.💡 Who gave us the electric battery? (a) Louis Braille (b) Wilhelm Röntgen (c) Alessandro Volta (d) Edward Jenner
  9. 9.What does a compass help us do? (a) print many books (b) hear the heartbeat (c) find directions (d) talk to people far away
  10. 10.True or false: a telephone helps us talk to people far away. (a) False (b) True
  11. 11.What did Wilhelm Röntgen give us? (a) penicillin (b) X-rays (c) the electric battery (d) the smallpox vaccine
  12. 12.True or false: a stethoscope helps us find directions. (a) True (b) False
  13. 13.💡 Who gave us the stethoscope? (a) René Laennec (b) Edward Jenner (c) Johannes Gutenberg (d) Alexander Graham Bell
  14. 14.True or false: Alexander Graham Bell gave us the telephone. (a) False (b) True
  15. 15.What does a calculator help us do? (a) hear the heartbeat (b) find directions (c) see faraway stars (d) do sums quickly
  16. 16.💡 Who gave us penicillin? (a) Edward Jenner (b) René Laennec (c) the Wright brothers (d) Alexander Fleming
  17. 17.True or false: Johannes Gutenberg gave us penicillin. (a) True (b) False
  18. 18.True or false: René Laennec gave us the electric battery. (a) False (b) True
  19. 19.🔧 Which invention helps us print many books? (a) compass (b) telephone (c) calculator (d) printing press
  20. 20.What did Alexander Fleming give us? (a) the electric battery (b) the first aeroplane (c) penicillin (d) raised-dot writing
  21. 21.True or false: Alexander Fleming gave us penicillin. (a) True (b) False
  22. 22.🔧 Which invention helps us do sums quickly? (a) telescope (b) telephone (c) calculator (d) microscope
  23. 23.True or false: a compass helps us find directions. (a) True (b) False
  24. 24.What does a clock help us do? (a) hear the heartbeat (b) print many books (c) talk to people far away (d) tell the time
  25. 25.💡 Who gave us the smallpox vaccine? (a) Johannes Gutenberg (b) Alexander Graham Bell (c) Wilhelm Röntgen (d) Edward Jenner
  26. 26.True or false: a telescope helps us see faraway stars. (a) True (b) False
  27. 27.What does a telephone help us do? (a) see faraway stars (b) talk to people far away (c) do sums quickly (d) see tiny germs
  28. 28.True or false: a calculator helps us hear the heartbeat. (a) True (b) False
  29. 29.What did Alessandro Volta give us? (a) the telephone (b) the stethoscope (c) X-rays (d) the electric battery
  30. 30.True or false: Alexander Graham Bell gave us the stethoscope. (a) False (b) True
  31. 31.What did Edward Jenner give us? (a) the first aeroplane (b) penicillin (c) the smallpox vaccine (d) the stethoscope
  32. 32.What did Louis Braille give us? (a) X-rays (b) the printing press (c) raised-dot writing (d) the electric battery
  33. 33.True or false: a telephone helps us print many books. (a) True (b) False
  34. 34.🔧 Which invention helps us tell the time? (a) thermometer (b) telephone (c) clock (d) calculator
  35. 35.What does a telescope help us do? (a) see tiny germs (b) see faraway stars (c) print many books (d) hear the heartbeat
  36. 36.True or false: a microscope helps us see tiny germs. (a) False (b) True
  37. 37.True or false: a calculator helps us do sums quickly. (a) True (b) False
  38. 38.What does a printing press help us do? (a) tell the time (b) see faraway stars (c) print many books (d) hear the heartbeat
  39. 39.True or false: Louis Braille gave us raised-dot writing. (a) True (b) False
  40. 40.True or false: a thermometer helps us measure body temperature. (a) True (b) False

Answer key

  1. True
  2. Wilhelm Röntgen
  3. Louis Braille
  4. compass
  5. True
  6. the printing press
  7. telephone
  8. Alessandro Volta
  9. find directions
  10. True
  11. X-rays
  12. False
  13. René Laennec
  14. True
  15. do sums quickly
  16. Alexander Fleming
  17. False
  18. False
  19. printing press
  20. penicillin
  21. True
  22. calculator
  23. True
  24. tell the time
  25. Edward Jenner
  26. True
  27. talk to people far away
  28. False
  29. the electric battery
  30. False
  31. the smallpox vaccine
  32. raised-dot writing
  33. False
  34. clock
  35. see faraway stars
  36. True
  37. True
  38. print many books
  39. True
  40. True

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