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Class 4 GK Worksheet: Inventions and Inventors

GK lesson 21: Inventions and inventors · Set 568 · 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: Wilhelm Röntgen gave us X-rays. (a) False (b) True
  2. 2.What does a stethoscope help us do? (a) measure body temperature (b) see tiny germs (c) hear the heartbeat (d) do sums quickly
  3. 3.What does a clock help us do? (a) see faraway stars (b) find directions (c) tell the time (d) hear the heartbeat
  4. 4.What did Edward Jenner give us? (a) X-rays (b) the first aeroplane (c) the smallpox vaccine (d) the electric battery
  5. 5.What did René Laennec give us? (a) the stethoscope (b) X-rays (c) the electric battery (d) the telephone
  6. 6.💡 Who gave us the stethoscope? (a) the Wright brothers (b) René Laennec (c) Louis Braille (d) Wilhelm Röntgen
  7. 7.True or false: a telephone helps us see tiny germs. (a) True (b) False
  8. 8.What does a thermometer help us do? (a) find directions (b) hear the heartbeat (c) see tiny germs (d) measure body temperature
  9. 9.True or false: a clock helps us hear the heartbeat. (a) True (b) False
  10. 10.What did Wilhelm Röntgen give us? (a) the printing press (b) the electric battery (c) X-rays (d) raised-dot writing
  11. 11.What did Alexander Graham Bell give us? (a) the first aeroplane (b) the telephone (c) penicillin (d) the smallpox vaccine
  12. 12.True or false: Johannes Gutenberg gave us the telephone. (a) True (b) False
  13. 13.What did Johannes Gutenberg give us? (a) the electric battery (b) the printing press (c) raised-dot writing (d) the stethoscope
  14. 14.What did Alessandro Volta give us? (a) penicillin (b) the stethoscope (c) the smallpox vaccine (d) the electric battery
  15. 15.What does a microscope help us do? (a) measure body temperature (b) tell the time (c) find directions (d) see tiny germs
  16. 16.🔧 Which invention helps us see tiny germs? (a) stethoscope (b) microscope (c) telephone (d) calculator
  17. 17.💡 Who gave us raised-dot writing? (a) Johannes Gutenberg (b) Louis Braille (c) Alessandro Volta (d) Wilhelm Röntgen
  18. 18.What does a calculator help us do? (a) find directions (b) measure body temperature (c) talk to people far away (d) do sums quickly
  19. 19.🔧 Which invention helps us talk to people far away? (a) compass (b) calculator (c) telephone (d) stethoscope
  20. 20.🔧 Which invention helps us do sums quickly? (a) calculator (b) thermometer (c) stethoscope (d) compass
  21. 21.🔧 Which invention helps us hear the heartbeat? (a) microscope (b) telephone (c) stethoscope (d) calculator
  22. 22.🔧 Which invention helps us measure body temperature? (a) calculator (b) printing press (c) thermometer (d) microscope
  23. 23.💡 Who gave us the telephone? (a) the Wright brothers (b) Louis Braille (c) Johannes Gutenberg (d) Alexander Graham Bell
  24. 24.🔧 Which invention helps us print many books? (a) calculator (b) stethoscope (c) printing press (d) thermometer
  25. 25.💡 Who gave us penicillin? (a) Alexander Graham Bell (b) Edward Jenner (c) Alexander Fleming (d) Wilhelm Röntgen
  26. 26.🔧 Which invention helps us tell the time? (a) stethoscope (b) telephone (c) thermometer (d) clock
  27. 27.What does a telescope help us do? (a) find directions (b) measure body temperature (c) see faraway stars (d) see tiny germs
  28. 28.True or false: Edward Jenner gave us the smallpox vaccine. (a) False (b) True
  29. 29.True or false: a compass helps us find directions. (a) True (b) False
  30. 30.True or false: a clock helps us find directions. (a) False (b) True
  31. 31.True or false: a microscope helps us hear the heartbeat. (a) True (b) False
  32. 32.True or false: a thermometer helps us measure body temperature. (a) True (b) False
  33. 33.True or false: Wilhelm Röntgen gave us the stethoscope. (a) True (b) False
  34. 34.True or false: a telephone helps us do sums quickly. (a) False (b) True
  35. 35.True or false: a printing press helps us print many books. (a) True (b) False
  36. 36.True or false: Alexander Fleming gave us penicillin. (a) True (b) False
  37. 37.True or false: a clock helps us tell the time. (a) True (b) False
  38. 38.What does a telephone help us do? (a) print many books (b) see tiny germs (c) see faraway stars (d) talk to people far away
  39. 39.True or false: a stethoscope helps us hear the heartbeat. (a) True (b) False
  40. 40.True or false: a calculator helps us do sums quickly. (a) False (b) True

Answer key

  1. True
  2. hear the heartbeat
  3. tell the time
  4. the smallpox vaccine
  5. the stethoscope
  6. René Laennec
  7. False
  8. measure body temperature
  9. False
  10. X-rays
  11. the telephone
  12. False
  13. the printing press
  14. the electric battery
  15. see tiny germs
  16. microscope
  17. Louis Braille
  18. do sums quickly
  19. telephone
  20. calculator
  21. stethoscope
  22. thermometer
  23. Alexander Graham Bell
  24. printing press
  25. Alexander Fleming
  26. clock
  27. see faraway stars
  28. True
  29. True
  30. False
  31. False
  32. True
  33. False
  34. False
  35. True
  36. True
  37. True
  38. talk to people far away
  39. True
  40. True

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