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Class 4 GK Worksheet: Inventions and Inventors

GK lesson 21: Inventions and inventors · Set 67 · 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 stethoscope helps us hear the heartbeat. (a) False (b) True
  2. 2.What did Alessandro Volta give us? (a) the stethoscope (b) the first aeroplane (c) the telephone (d) the electric battery
  3. 3.What did Louis Braille give us? (a) X-rays (b) raised-dot writing (c) the printing press (d) the telephone
  4. 4.What does a stethoscope help us do? (a) measure body temperature (b) hear the heartbeat (c) print many books (d) tell the time
  5. 5.🔧 Which invention helps us tell the time? (a) telescope (b) compass (c) thermometer (d) clock
  6. 6.True or false: a thermometer helps us talk to people far away. (a) True (b) False
  7. 7.What does a telescope help us do? (a) print many books (b) see faraway stars (c) hear the heartbeat (d) talk to people far away
  8. 8.💡 Who gave us the telephone? (a) Wilhelm Röntgen (b) Louis Braille (c) Alexander Graham Bell (d) Alexander Fleming
  9. 9.True or false: Johannes Gutenberg gave us the stethoscope. (a) False (b) True
  10. 10.💡 Who gave us the stethoscope? (a) René Laennec (b) Johannes Gutenberg (c) Alexander Fleming (d) Wilhelm Röntgen
  11. 11.True or false: a printing press helps us print many books. (a) False (b) True
  12. 12.What did Alexander Fleming give us? (a) raised-dot writing (b) the printing press (c) the first aeroplane (d) penicillin
  13. 13.What does a calculator help us do? (a) do sums quickly (b) see tiny germs (c) talk to people far away (d) measure body temperature
  14. 14.What did René Laennec give us? (a) the smallpox vaccine (b) the first aeroplane (c) the electric battery (d) the stethoscope
  15. 15.What does a thermometer help us do? (a) see faraway stars (b) tell the time (c) see tiny germs (d) measure body temperature
  16. 16.True or false: a printing press helps us find directions. (a) False (b) True
  17. 17.🔧 Which invention helps us see faraway stars? (a) telephone (b) telescope (c) calculator (d) clock
  18. 18.What does a compass help us do? (a) see faraway stars (b) talk to people far away (c) find directions (d) do sums quickly
  19. 19.What did the Wright brothers give us? (a) penicillin (b) raised-dot writing (c) the first aeroplane (d) the stethoscope
  20. 20.True or false: Alexander Graham Bell gave us the smallpox vaccine. (a) True (b) False
  21. 21.What does a clock help us do? (a) print many books (b) find directions (c) hear the heartbeat (d) tell the time
  22. 22.🔧 Which invention helps us print many books? (a) telephone (b) printing press (c) calculator (d) compass
  23. 23.💡 Who gave us the first aeroplane? (a) Alexander Graham Bell (b) Edward Jenner (c) Alexander Fleming (d) the Wright brothers
  24. 24.What does a telephone help us do? (a) talk to people far away (b) find directions (c) measure body temperature (d) print many books
  25. 25.🔧 Which invention helps us hear the heartbeat? (a) calculator (b) printing press (c) compass (d) stethoscope
  26. 26.True or false: the Wright brothers gave us the printing press. (a) True (b) False
  27. 27.💡 Who gave us the printing press? (a) the Wright brothers (b) Louis Braille (c) Alexander Graham Bell (d) Johannes Gutenberg
  28. 28.🔧 Which invention helps us measure body temperature? (a) printing press (b) telescope (c) stethoscope (d) thermometer
  29. 29.True or false: Edward Jenner gave us the printing press. (a) False (b) True
  30. 30.True or false: a clock helps us print many books. (a) True (b) False
  31. 31.💡 Who gave us raised-dot writing? (a) Wilhelm Röntgen (b) Alexander Graham Bell (c) Louis Braille (d) the Wright brothers
  32. 32.True or false: Johannes Gutenberg gave us the first aeroplane. (a) True (b) False
  33. 33.True or false: Alessandro Volta gave us the electric battery. (a) False (b) True
  34. 34.True or false: Alexander Fleming gave us the telephone. (a) True (b) False
  35. 35.💡 Who gave us the smallpox vaccine? (a) Johannes Gutenberg (b) Alessandro Volta (c) Wilhelm Röntgen (d) Edward Jenner
  36. 36.🔧 Which invention helps us talk to people far away? (a) microscope (b) telephone (c) stethoscope (d) clock
  37. 37.🔧 Which invention helps us see tiny germs? (a) clock (b) printing press (c) microscope (d) compass
  38. 38.💡 Who gave us the electric battery? (a) Alexander Graham Bell (b) the Wright brothers (c) Alessandro Volta (d) Johannes Gutenberg
  39. 39.True or false: a clock helps us tell the time. (a) True (b) False
  40. 40.True or false: René Laennec gave us the telephone. (a) False (b) True

Answer key

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

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