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Class 4 GK Worksheet: Inventions and Inventors

GK lesson 21: Inventions and inventors · Set 405 · 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.What does a telephone help us do? (a) hear the heartbeat (b) talk to people far away (c) measure body temperature (d) tell the time
  2. 2.True or false: a calculator helps us see faraway stars. (a) False (b) True
  3. 3.What does a calculator help us do? (a) print many books (b) find directions (c) do sums quickly (d) see tiny germs
  4. 4.💡 Who gave us the first aeroplane? (a) Alessandro Volta (b) Louis Braille (c) the Wright brothers (d) Alexander Graham Bell
  5. 5.True or false: Wilhelm Röntgen gave us the stethoscope. (a) True (b) False
  6. 6.What does a printing press help us do? (a) tell the time (b) see tiny germs (c) print many books (d) hear the heartbeat
  7. 7.What did Louis Braille give us? (a) the printing press (b) raised-dot writing (c) X-rays (d) the first aeroplane
  8. 8.💡 Who gave us penicillin? (a) Alexander Fleming (b) Alessandro Volta (c) Edward Jenner (d) Alexander Graham Bell
  9. 9.What does a compass help us do? (a) tell the time (b) do sums quickly (c) see faraway stars (d) find directions
  10. 10.True or false: a clock helps us measure body temperature. (a) False (b) True
  11. 11.🔧 Which invention helps us print many books? (a) calculator (b) stethoscope (c) printing press (d) microscope
  12. 12.What does a telescope help us do? (a) find directions (b) see faraway stars (c) do sums quickly (d) talk to people far away
  13. 13.🔧 Which invention helps us see tiny germs? (a) thermometer (b) clock (c) microscope (d) telephone
  14. 14.What did Alexander Graham Bell give us? (a) the first aeroplane (b) X-rays (c) the smallpox vaccine (d) the telephone
  15. 15.What did Edward Jenner give us? (a) the smallpox vaccine (b) the first aeroplane (c) the electric battery (d) raised-dot writing
  16. 16.What does a clock help us do? (a) see faraway stars (b) print many books (c) tell the time (d) do sums quickly
  17. 17.True or false: Edward Jenner gave us the stethoscope. (a) False (b) True
  18. 18.True or false: Louis Braille gave us raised-dot writing. (a) True (b) False
  19. 19.True or false: a telephone helps us tell the time. (a) True (b) False
  20. 20.What does a stethoscope help us do? (a) see faraway stars (b) measure body temperature (c) find directions (d) hear the heartbeat
  21. 21.True or false: Alessandro Volta gave us the first aeroplane. (a) False (b) True
  22. 22.🔧 Which invention helps us do sums quickly? (a) calculator (b) thermometer (c) telescope (d) printing press
  23. 23.🔧 Which invention helps us hear the heartbeat? (a) telephone (b) calculator (c) stethoscope (d) thermometer
  24. 24.True or false: a clock helps us tell the time. (a) True (b) False
  25. 25.What did René Laennec give us? (a) the telephone (b) penicillin (c) the stethoscope (d) raised-dot writing
  26. 26.💡 Who gave us the stethoscope? (a) Louis Braille (b) René Laennec (c) Johannes Gutenberg (d) the Wright brothers
  27. 27.What did Alessandro Volta give us? (a) raised-dot writing (b) the printing press (c) the electric battery (d) the smallpox vaccine
  28. 28.True or false: Johannes Gutenberg gave us the telephone. (a) True (b) False
  29. 29.True or false: a microscope helps us see tiny germs. (a) True (b) False
  30. 30.True or false: a microscope helps us print many books. (a) False (b) True
  31. 31.True or false: a telescope helps us talk to people far away. (a) False (b) True
  32. 32.True or false: the Wright brothers gave us penicillin. (a) True (b) False
  33. 33.What does a microscope help us do? (a) see faraway stars (b) tell the time (c) see tiny germs (d) find directions
  34. 34.🔧 Which invention helps us measure body temperature? (a) stethoscope (b) printing press (c) telescope (d) thermometer
  35. 35.True or false: a printing press helps us print many books. (a) True (b) False
  36. 36.True or false: a telephone helps us talk to people far away. (a) True (b) False
  37. 37.🔧 Which invention helps us talk to people far away? (a) printing press (b) compass (c) telephone (d) stethoscope
  38. 38.True or false: a thermometer helps us do sums quickly. (a) False (b) True
  39. 39.💡 Who gave us raised-dot writing? (a) Johannes Gutenberg (b) René Laennec (c) Alexander Fleming (d) Louis Braille
  40. 40.True or false: a clock helps us find directions. (a) True (b) False

Answer key

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

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