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Class 4 GK Worksheet: Inventions and Inventors

GK lesson 21: Inventions and inventors · Set 360 · 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.💡 Who gave us the telephone? (a) Edward Jenner (b) Alexander Graham Bell (c) the Wright brothers (d) Johannes Gutenberg
  2. 2.True or false: a telescope helps us tell the time. (a) False (b) True
  3. 3.What did René Laennec give us? (a) the stethoscope (b) the smallpox vaccine (c) penicillin (d) the electric battery
  4. 4.True or false: Edward Jenner gave us the telephone. (a) False (b) True
  5. 5.True or false: a telephone helps us talk to people far away. (a) True (b) False
  6. 6.What does a thermometer help us do? (a) talk to people far away (b) hear the heartbeat (c) measure body temperature (d) see tiny germs
  7. 7.💡 Who gave us X-rays? (a) Edward Jenner (b) Wilhelm Röntgen (c) René Laennec (d) Alessandro Volta
  8. 8.🔧 Which invention helps us hear the heartbeat? (a) stethoscope (b) calculator (c) clock (d) telescope
  9. 9.🔧 Which invention helps us see tiny germs? (a) thermometer (b) microscope (c) calculator (d) telescope
  10. 10.True or false: a compass helps us see faraway stars. (a) True (b) False
  11. 11.True or false: Alessandro Volta gave us penicillin. (a) False (b) True
  12. 12.What did the Wright brothers give us? (a) the telephone (b) the stethoscope (c) raised-dot writing (d) the first aeroplane
  13. 13.True or false: Alexander Fleming gave us penicillin. (a) True (b) False
  14. 14.What did Alexander Graham Bell give us? (a) X-rays (b) the telephone (c) the first aeroplane (d) the smallpox vaccine
  15. 15.What does a compass help us do? (a) measure body temperature (b) see faraway stars (c) find directions (d) talk to people far away
  16. 16.What did Alexander Fleming give us? (a) X-rays (b) the stethoscope (c) the telephone (d) penicillin
  17. 17.What does a printing press help us do? (a) talk to people far away (b) see tiny germs (c) see faraway stars (d) print many books
  18. 18.💡 Who gave us the stethoscope? (a) Louis Braille (b) Wilhelm Röntgen (c) René Laennec (d) Johannes Gutenberg
  19. 19.True or false: a stethoscope helps us hear the heartbeat. (a) False (b) True
  20. 20.💡 Who gave us raised-dot writing? (a) Edward Jenner (b) Johannes Gutenberg (c) René Laennec (d) Louis Braille
  21. 21.True or false: Louis Braille gave us raised-dot writing. (a) False (b) True
  22. 22.What does a telephone help us do? (a) hear the heartbeat (b) talk to people far away (c) tell the time (d) find directions
  23. 23.What does a microscope help us do? (a) see faraway stars (b) print many books (c) talk to people far away (d) see tiny germs
  24. 24.💡 Who gave us the first aeroplane? (a) the Wright brothers (b) Alexander Graham Bell (c) Johannes Gutenberg (d) Alessandro Volta
  25. 25.True or false: a clock helps us see tiny germs. (a) False (b) True
  26. 26.True or false: Alexander Graham Bell gave us the electric battery. (a) False (b) True
  27. 27.What did Louis Braille give us? (a) the first aeroplane (b) X-rays (c) penicillin (d) raised-dot writing
  28. 28.🔧 Which invention helps us tell the time? (a) stethoscope (b) thermometer (c) clock (d) compass
  29. 29.What did Johannes Gutenberg give us? (a) the printing press (b) the electric battery (c) the telephone (d) the stethoscope
  30. 30.True or false: a telephone helps us see tiny germs. (a) False (b) True
  31. 31.🔧 Which invention helps us measure body temperature? (a) stethoscope (b) thermometer (c) printing press (d) compass
  32. 32.🔧 Which invention helps us see faraway stars? (a) clock (b) thermometer (c) telescope (d) compass
  33. 33.True or false: Wilhelm Röntgen gave us the electric battery. (a) True (b) False
  34. 34.True or false: a calculator helps us do sums quickly. (a) True (b) False
  35. 35.🔧 Which invention helps us do sums quickly? (a) compass (b) microscope (c) stethoscope (d) calculator
  36. 36.True or false: a thermometer helps us measure body temperature. (a) False (b) True
  37. 37.True or false: René Laennec gave us the electric battery. (a) True (b) False
  38. 38.True or false: Alexander Graham Bell gave us the first aeroplane. (a) True (b) False
  39. 39.What does a calculator help us do? (a) see tiny germs (b) hear the heartbeat (c) do sums quickly (d) print many books
  40. 40.True or false: a compass helps us do sums quickly. (a) True (b) False

Answer key

  1. Alexander Graham Bell
  2. False
  3. the stethoscope
  4. False
  5. True
  6. measure body temperature
  7. Wilhelm Röntgen
  8. stethoscope
  9. microscope
  10. False
  11. False
  12. the first aeroplane
  13. True
  14. the telephone
  15. find directions
  16. penicillin
  17. print many books
  18. René Laennec
  19. True
  20. Louis Braille
  21. True
  22. talk to people far away
  23. see tiny germs
  24. the Wright brothers
  25. False
  26. False
  27. raised-dot writing
  28. clock
  29. the printing press
  30. False
  31. thermometer
  32. telescope
  33. False
  34. True
  35. calculator
  36. True
  37. False
  38. False
  39. do sums quickly
  40. False

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