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Class 4 GK Worksheet: Inventions and Inventors

GK lesson 21: Inventions and inventors · Set 88 · 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.🔧 Which invention helps us measure body temperature? (a) thermometer (b) clock (c) microscope (d) compass
  2. 2.🔧 Which invention helps us find directions? (a) microscope (b) stethoscope (c) compass (d) telephone
  3. 3.💡 Who gave us raised-dot writing? (a) Johannes Gutenberg (b) Louis Braille (c) Edward Jenner (d) Alessandro Volta
  4. 4.What does a calculator help us do? (a) see tiny germs (b) see faraway stars (c) hear the heartbeat (d) do sums quickly
  5. 5.🔧 Which invention helps us print many books? (a) printing press (b) stethoscope (c) telephone (d) compass
  6. 6.What did Johannes Gutenberg give us? (a) penicillin (b) the smallpox vaccine (c) the stethoscope (d) the printing press
  7. 7.True or false: René Laennec gave us the printing press. (a) False (b) True
  8. 8.💡 Who gave us the printing press? (a) Edward Jenner (b) Louis Braille (c) Alexander Fleming (d) Johannes Gutenberg
  9. 9.True or false: Edward Jenner gave us the telephone. (a) True (b) False
  10. 10.What did the Wright brothers give us? (a) the telephone (b) the electric battery (c) the first aeroplane (d) raised-dot writing
  11. 11.💡 Who gave us penicillin? (a) Edward Jenner (b) Alexander Fleming (c) the Wright brothers (d) Louis Braille
  12. 12.What did Louis Braille give us? (a) the electric battery (b) the first aeroplane (c) the printing press (d) raised-dot writing
  13. 13.What does a telephone help us do? (a) see tiny germs (b) find directions (c) tell the time (d) talk to people far away
  14. 14.💡 Who gave us X-rays? (a) Wilhelm Röntgen (b) Alessandro Volta (c) Louis Braille (d) Johannes Gutenberg
  15. 15.What does a compass help us do? (a) see tiny germs (b) talk to people far away (c) find directions (d) do sums quickly
  16. 16.💡 Who gave us the first aeroplane? (a) Alexander Fleming (b) Alessandro Volta (c) Alexander Graham Bell (d) the Wright brothers
  17. 17.True or false: Alessandro Volta gave us the telephone. (a) True (b) False
  18. 18.True or false: a microscope helps us see tiny germs. (a) False (b) True
  19. 19.True or false: Wilhelm Röntgen gave us X-rays. (a) True (b) False
  20. 20.🔧 Which invention helps us do sums quickly? (a) calculator (b) telephone (c) clock (d) microscope
  21. 21.True or false: Edward Jenner gave us the stethoscope. (a) True (b) False
  22. 22.True or false: a telephone helps us talk to people far away. (a) True (b) False
  23. 23.What does a clock help us do? (a) talk to people far away (b) do sums quickly (c) tell the time (d) see faraway stars
  24. 24.What does a printing press help us do? (a) do sums quickly (b) hear the heartbeat (c) print many books (d) see faraway stars
  25. 25.What does a microscope help us do? (a) do sums quickly (b) see tiny germs (c) hear the heartbeat (d) measure body temperature
  26. 26.🔧 Which invention helps us tell the time? (a) thermometer (b) telescope (c) stethoscope (d) clock
  27. 27.True or false: Alexander Fleming gave us the electric battery. (a) False (b) True
  28. 28.What did Alexander Graham Bell give us? (a) the telephone (b) the first aeroplane (c) the stethoscope (d) the electric battery
  29. 29.💡 Who gave us the electric battery? (a) Alessandro Volta (b) Alexander Graham Bell (c) Edward Jenner (d) Wilhelm Röntgen
  30. 30.💡 Who gave us the smallpox vaccine? (a) Edward Jenner (b) the Wright brothers (c) Johannes Gutenberg (d) René Laennec
  31. 31.True or false: a stethoscope helps us find directions. (a) False (b) True
  32. 32.True or false: a clock helps us do sums quickly. (a) True (b) False
  33. 33.What did Edward Jenner give us? (a) the stethoscope (b) the smallpox vaccine (c) the first aeroplane (d) raised-dot writing
  34. 34.True or false: Edward Jenner gave us raised-dot writing. (a) True (b) False
  35. 35.True or false: René Laennec gave us the electric battery. (a) True (b) False
  36. 36.True or false: a thermometer helps us see tiny germs. (a) False (b) True
  37. 37.🔧 Which invention helps us hear the heartbeat? (a) stethoscope (b) telescope (c) calculator (d) microscope
  38. 38.True or false: Wilhelm Röntgen gave us the printing press. (a) False (b) True
  39. 39.True or false: René Laennec gave us the stethoscope. (a) False (b) True
  40. 40.What did Alexander Fleming give us? (a) the telephone (b) the first aeroplane (c) penicillin (d) the smallpox vaccine

Answer key

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

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