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Class 4 GK Worksheet: Inventions and Inventors

GK lesson 21: Inventions and inventors · Set 624 · 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.🔧 Which invention helps us measure body temperature? (a) microscope (b) stethoscope (c) telephone (d) thermometer
  2. 2.True or false: a printing press helps us measure body temperature. (a) True (b) False
  3. 3.What did Wilhelm Röntgen give us? (a) the electric battery (b) X-rays (c) the smallpox vaccine (d) the first aeroplane
  4. 4.True or false: René Laennec gave us the electric battery. (a) True (b) False
  5. 5.💡 Who gave us the first aeroplane? (a) the Wright brothers (b) Alessandro Volta (c) Edward Jenner (d) Alexander Graham Bell
  6. 6.What does a thermometer help us do? (a) see tiny germs (b) talk to people far away (c) measure body temperature (d) print many books
  7. 7.💡 Who gave us the stethoscope? (a) Edward Jenner (b) Johannes Gutenberg (c) René Laennec (d) Louis Braille
  8. 8.🔧 Which invention helps us hear the heartbeat? (a) compass (b) telephone (c) stethoscope (d) thermometer
  9. 9.True or false: Edward Jenner gave us the smallpox vaccine. (a) False (b) True
  10. 10.🔧 Which invention helps us print many books? (a) calculator (b) printing press (c) thermometer (d) telephone
  11. 11.True or false: a telescope helps us see faraway stars. (a) False (b) True
  12. 12.What does a telephone help us do? (a) print many books (b) do sums quickly (c) find directions (d) talk to people far away
  13. 13.What did Alexander Fleming give us? (a) penicillin (b) the printing press (c) the electric battery (d) raised-dot writing
  14. 14.True or false: a stethoscope helps us hear the heartbeat. (a) False (b) True
  15. 15.True or false: a stethoscope helps us talk to people far away. (a) False (b) True
  16. 16.True or false: René Laennec gave us penicillin. (a) False (b) True
  17. 17.True or false: Alexander Graham Bell gave us penicillin. (a) False (b) True
  18. 18.💡 Who gave us the electric battery? (a) Alexander Fleming (b) René Laennec (c) Alessandro Volta (d) Wilhelm Röntgen
  19. 19.What does a compass help us do? (a) hear the heartbeat (b) find directions (c) measure body temperature (d) talk to people far away
  20. 20.True or false: a printing press helps us talk to people far away. (a) True (b) False
  21. 21.What does a stethoscope help us do? (a) tell the time (b) see faraway stars (c) find directions (d) hear the heartbeat
  22. 22.True or false: Louis Braille gave us raised-dot writing. (a) False (b) True
  23. 23.🔧 Which invention helps us find directions? (a) compass (b) calculator (c) printing press (d) clock
  24. 24.What did the Wright brothers give us? (a) the printing press (b) raised-dot writing (c) the smallpox vaccine (d) the first aeroplane
  25. 25.True or false: the Wright brothers gave us X-rays. (a) True (b) False
  26. 26.🔧 Which invention helps us talk to people far away? (a) thermometer (b) stethoscope (c) printing press (d) telephone
  27. 27.True or false: a calculator helps us do sums quickly. (a) False (b) True
  28. 28.💡 Who gave us X-rays? (a) the Wright brothers (b) Alexander Graham Bell (c) Wilhelm Röntgen (d) Alessandro Volta
  29. 29.True or false: a printing press helps us print many books. (a) False (b) True
  30. 30.True or false: a thermometer helps us find directions. (a) False (b) True
  31. 31.True or false: Alexander Graham Bell gave us the printing press. (a) True (b) False
  32. 32.🔧 Which invention helps us see tiny germs? (a) compass (b) calculator (c) printing press (d) microscope
  33. 33.💡 Who gave us the telephone? (a) Johannes Gutenberg (b) Alessandro Volta (c) Alexander Graham Bell (d) Louis Braille
  34. 34.True or false: René Laennec gave us the stethoscope. (a) True (b) False
  35. 35.🔧 Which invention helps us do sums quickly? (a) telephone (b) microscope (c) clock (d) calculator
  36. 36.What did Johannes Gutenberg give us? (a) raised-dot writing (b) the first aeroplane (c) the printing press (d) the stethoscope
  37. 37.💡 Who gave us raised-dot writing? (a) René Laennec (b) Alexander Graham Bell (c) Edward Jenner (d) Louis Braille
  38. 38.What did Alexander Graham Bell give us? (a) the stethoscope (b) the telephone (c) the electric battery (d) the printing press
  39. 39.What does a calculator help us do? (a) tell the time (b) do sums quickly (c) talk to people far away (d) print many books
  40. 40.True or false: Alexander Fleming gave us the first aeroplane. (a) False (b) True

Answer key

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

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