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Class 4 GK Worksheet: Inventions and Inventors

GK lesson 21: Inventions and inventors · Set 64 · 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 calculator helps us do sums quickly. (a) False (b) True
  2. 2.True or false: a thermometer helps us measure body temperature. (a) True (b) False
  3. 3.What did Alexander Graham Bell give us? (a) penicillin (b) the first aeroplane (c) the smallpox vaccine (d) the telephone
  4. 4.What did Wilhelm Röntgen give us? (a) penicillin (b) X-rays (c) the printing press (d) the telephone
  5. 5.What does a thermometer help us do? (a) print many books (b) hear the heartbeat (c) see tiny germs (d) measure body temperature
  6. 6.🔧 Which invention helps us hear the heartbeat? (a) microscope (b) thermometer (c) stethoscope (d) clock
  7. 7.💡 Who gave us the printing press? (a) Alexander Graham Bell (b) Alessandro Volta (c) Johannes Gutenberg (d) Edward Jenner
  8. 8.What does a clock help us do? (a) see tiny germs (b) talk to people far away (c) print many books (d) tell the time
  9. 9.True or false: a stethoscope helps us print many books. (a) True (b) False
  10. 10.💡 Who gave us the stethoscope? (a) Johannes Gutenberg (b) Alexander Graham Bell (c) Alessandro Volta (d) René Laennec
  11. 11.What does a calculator help us do? (a) do sums quickly (b) find directions (c) tell the time (d) print many books
  12. 12.💡 Who gave us penicillin? (a) Alexander Fleming (b) Alexander Graham Bell (c) Johannes Gutenberg (d) René Laennec
  13. 13.True or false: Alexander Graham Bell gave us raised-dot writing. (a) False (b) True
  14. 14.True or false: a printing press helps us print many books. (a) False (b) True
  15. 15.🔧 Which invention helps us tell the time? (a) telephone (b) stethoscope (c) clock (d) telescope
  16. 16.True or false: a compass helps us find directions. (a) False (b) True
  17. 17.🔧 Which invention helps us measure body temperature? (a) stethoscope (b) telescope (c) telephone (d) thermometer
  18. 18.True or false: Alexander Fleming gave us the smallpox vaccine. (a) True (b) False
  19. 19.True or false: a telephone helps us talk to people far away. (a) True (b) False
  20. 20.True or false: Alessandro Volta gave us the first aeroplane. (a) True (b) False
  21. 21.What does a stethoscope help us do? (a) print many books (b) measure body temperature (c) see tiny germs (d) hear the heartbeat
  22. 22.💡 Who gave us the first aeroplane? (a) Edward Jenner (b) the Wright brothers (c) Johannes Gutenberg (d) Alexander Fleming
  23. 23.What did the Wright brothers give us? (a) raised-dot writing (b) the stethoscope (c) the first aeroplane (d) the printing press
  24. 24.True or false: a microscope helps us hear the heartbeat. (a) True (b) False
  25. 25.True or false: a microscope helps us see tiny germs. (a) True (b) False
  26. 26.🔧 Which invention helps us see tiny germs? (a) microscope (b) telescope (c) stethoscope (d) clock
  27. 27.💡 Who gave us the smallpox vaccine? (a) Edward Jenner (b) Alessandro Volta (c) Johannes Gutenberg (d) Wilhelm Röntgen
  28. 28.🔧 Which invention helps us talk to people far away? (a) telephone (b) printing press (c) calculator (d) thermometer
  29. 29.True or false: a telephone helps us print many books. (a) False (b) True
  30. 30.🔧 Which invention helps us find directions? (a) calculator (b) stethoscope (c) compass (d) microscope
  31. 31.True or false: a compass helps us print many books. (a) False (b) True
  32. 32.True or false: a thermometer helps us find directions. (a) True (b) False
  33. 33.True or false: a stethoscope helps us hear the heartbeat. (a) True (b) False
  34. 34.What did Louis Braille give us? (a) X-rays (b) raised-dot writing (c) the printing press (d) the first aeroplane
  35. 35.What does a compass help us do? (a) see tiny germs (b) find directions (c) talk to people far away (d) print many books
  36. 36.💡 Who gave us raised-dot writing? (a) Alexander Graham Bell (b) Johannes Gutenberg (c) Alessandro Volta (d) Louis Braille
  37. 37.True or false: René Laennec gave us the stethoscope. (a) False (b) True
  38. 38.💡 Who gave us the telephone? (a) Alexander Graham Bell (b) the Wright brothers (c) René Laennec (d) Louis Braille
  39. 39.What did Alessandro Volta give us? (a) the first aeroplane (b) the stethoscope (c) the printing press (d) the electric battery
  40. 40.True or false: Edward Jenner gave us the smallpox vaccine. (a) False (b) True

Answer key

  1. True
  2. True
  3. the telephone
  4. X-rays
  5. measure body temperature
  6. stethoscope
  7. Johannes Gutenberg
  8. tell the time
  9. False
  10. René Laennec
  11. do sums quickly
  12. Alexander Fleming
  13. False
  14. True
  15. clock
  16. True
  17. thermometer
  18. False
  19. True
  20. False
  21. hear the heartbeat
  22. the Wright brothers
  23. the first aeroplane
  24. False
  25. True
  26. microscope
  27. Edward Jenner
  28. telephone
  29. False
  30. compass
  31. False
  32. False
  33. True
  34. raised-dot writing
  35. find directions
  36. Louis Braille
  37. True
  38. Alexander Graham Bell
  39. the electric battery
  40. True

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