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Class 4 GK Worksheet: Inventions and Inventors

GK lesson 21: Inventions and inventors · Set 884 · 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 compass helps us hear the heartbeat. (a) True (b) False
  2. 2.True or false: a stethoscope helps us see faraway stars. (a) False (b) True
  3. 3.💡 Who gave us the electric battery? (a) Edward Jenner (b) Alexander Graham Bell (c) the Wright brothers (d) Alessandro Volta
  4. 4.What does a telescope help us do? (a) find directions (b) see faraway stars (c) see tiny germs (d) talk to people far away
  5. 5.🔧 Which invention helps us hear the heartbeat? (a) stethoscope (b) telephone (c) thermometer (d) calculator
  6. 6.True or false: the Wright brothers gave us the first aeroplane. (a) False (b) True
  7. 7.What does a telephone help us do? (a) do sums quickly (b) see tiny germs (c) tell the time (d) talk to people far away
  8. 8.What does a printing press help us do? (a) measure body temperature (b) print many books (c) tell the time (d) talk to people far away
  9. 9.True or false: a calculator helps us find directions. (a) False (b) True
  10. 10.What did Alexander Fleming give us? (a) the telephone (b) penicillin (c) the smallpox vaccine (d) the printing press
  11. 11.🔧 Which invention helps us measure body temperature? (a) compass (b) telephone (c) thermometer (d) printing press
  12. 12.True or false: a stethoscope helps us measure body temperature. (a) True (b) False
  13. 13.What does a compass help us do? (a) see tiny germs (b) tell the time (c) find directions (d) hear the heartbeat
  14. 14.True or false: Louis Braille gave us penicillin. (a) True (b) False
  15. 15.What did Alexander Graham Bell give us? (a) raised-dot writing (b) the smallpox vaccine (c) the first aeroplane (d) the telephone
  16. 16.True or false: René Laennec gave us raised-dot writing. (a) True (b) False
  17. 17.What does a calculator help us do? (a) talk to people far away (b) measure body temperature (c) do sums quickly (d) hear the heartbeat
  18. 18.True or false: Alexander Graham Bell gave us the telephone. (a) False (b) True
  19. 19.True or false: Johannes Gutenberg gave us X-rays. (a) True (b) False
  20. 20.True or false: Johannes Gutenberg gave us the smallpox vaccine. (a) False (b) True
  21. 21.What does a thermometer help us do? (a) see tiny germs (b) find directions (c) measure body temperature (d) see faraway stars
  22. 22.🔧 Which invention helps us talk to people far away? (a) microscope (b) printing press (c) stethoscope (d) telephone
  23. 23.What does a microscope help us do? (a) see tiny germs (b) hear the heartbeat (c) find directions (d) see faraway stars
  24. 24.What did Alessandro Volta give us? (a) penicillin (b) the printing press (c) the stethoscope (d) the electric battery
  25. 25.True or false: the Wright brothers gave us raised-dot writing. (a) False (b) True
  26. 26.True or false: Alexander Graham Bell gave us X-rays. (a) False (b) True
  27. 27.🔧 Which invention helps us do sums quickly? (a) calculator (b) telephone (c) microscope (d) telescope
  28. 28.True or false: René Laennec gave us the stethoscope. (a) False (b) True
  29. 29.What did Louis Braille give us? (a) the electric battery (b) penicillin (c) raised-dot writing (d) the smallpox vaccine
  30. 30.What did the Wright brothers give us? (a) the first aeroplane (b) the electric battery (c) the smallpox vaccine (d) the telephone
  31. 31.True or false: Alexander Fleming gave us the telephone. (a) True (b) False
  32. 32.What does a clock help us do? (a) do sums quickly (b) hear the heartbeat (c) tell the time (d) talk to people far away
  33. 33.True or false: a printing press helps us tell the time. (a) False (b) True
  34. 34.What did Wilhelm Röntgen give us? (a) X-rays (b) penicillin (c) raised-dot writing (d) the first aeroplane
  35. 35.💡 Who gave us the smallpox vaccine? (a) the Wright brothers (b) Johannes Gutenberg (c) Alessandro Volta (d) Edward Jenner
  36. 36.🔧 Which invention helps us see tiny germs? (a) compass (b) microscope (c) printing press (d) thermometer
  37. 37.True or false: a telescope helps us see faraway stars. (a) False (b) True
  38. 38.🔧 Which invention helps us print many books? (a) stethoscope (b) printing press (c) calculator (d) compass
  39. 39.💡 Who gave us the printing press? (a) Louis Braille (b) Johannes Gutenberg (c) Alexander Fleming (d) Wilhelm Röntgen
  40. 40.What did Edward Jenner give us? (a) the smallpox vaccine (b) the electric battery (c) the stethoscope (d) the printing press

Answer key

  1. False
  2. False
  3. Alessandro Volta
  4. see faraway stars
  5. stethoscope
  6. True
  7. talk to people far away
  8. print many books
  9. False
  10. penicillin
  11. thermometer
  12. False
  13. find directions
  14. False
  15. the telephone
  16. False
  17. do sums quickly
  18. True
  19. False
  20. False
  21. measure body temperature
  22. telephone
  23. see tiny germs
  24. the electric battery
  25. False
  26. False
  27. calculator
  28. True
  29. raised-dot writing
  30. the first aeroplane
  31. False
  32. tell the time
  33. False
  34. X-rays
  35. Edward Jenner
  36. microscope
  37. True
  38. printing press
  39. Johannes Gutenberg
  40. the smallpox vaccine

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