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Class 4 GK Worksheet: Inventions and Inventors

GK lesson 21: Inventions and inventors · Set 54 · 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: René Laennec gave us the stethoscope. (a) False (b) True
  2. 2.🔧 Which invention helps us hear the heartbeat? (a) stethoscope (b) microscope (c) telephone (d) calculator
  3. 3.True or false: René Laennec gave us raised-dot writing. (a) True (b) False
  4. 4.What did Wilhelm Röntgen give us? (a) the first aeroplane (b) the telephone (c) X-rays (d) the smallpox vaccine
  5. 5.True or false: a calculator helps us do sums quickly. (a) True (b) False
  6. 6.What does a stethoscope help us do? (a) see tiny germs (b) hear the heartbeat (c) talk to people far away (d) measure body temperature
  7. 7.True or false: a compass helps us find directions. (a) True (b) False
  8. 8.What does a telephone help us do? (a) print many books (b) find directions (c) see tiny germs (d) talk to people far away
  9. 9.💡 Who gave us the telephone? (a) Alexander Graham Bell (b) Alessandro Volta (c) Wilhelm Röntgen (d) Edward Jenner
  10. 10.💡 Who gave us the stethoscope? (a) René Laennec (b) Alessandro Volta (c) Alexander Fleming (d) Johannes Gutenberg
  11. 11.💡 Who gave us the electric battery? (a) Louis Braille (b) Alessandro Volta (c) Alexander Graham Bell (d) Johannes Gutenberg
  12. 12.True or false: Alexander Graham Bell gave us the telephone. (a) False (b) True
  13. 13.True or false: Wilhelm Röntgen gave us X-rays. (a) False (b) True
  14. 14.🔧 Which invention helps us do sums quickly? (a) stethoscope (b) telescope (c) printing press (d) calculator
  15. 15.True or false: a telescope helps us print many books. (a) True (b) False
  16. 16.True or false: a printing press helps us do sums quickly. (a) False (b) True
  17. 17.True or false: a microscope helps us see tiny germs. (a) False (b) True
  18. 18.What does a calculator help us do? (a) talk to people far away (b) hear the heartbeat (c) measure body temperature (d) do sums quickly
  19. 19.🔧 Which invention helps us find directions? (a) microscope (b) printing press (c) compass (d) clock
  20. 20.True or false: René Laennec gave us the electric battery. (a) True (b) False
  21. 21.🔧 Which invention helps us measure body temperature? (a) compass (b) clock (c) thermometer (d) stethoscope
  22. 22.What did the Wright brothers give us? (a) X-rays (b) the smallpox vaccine (c) the first aeroplane (d) the telephone
  23. 23.What did Alexander Graham Bell give us? (a) the stethoscope (b) the printing press (c) the telephone (d) the first aeroplane
  24. 24.True or false: a compass helps us measure body temperature. (a) False (b) True
  25. 25.True or false: Alessandro Volta gave us the electric battery. (a) True (b) False
  26. 26.True or false: the Wright brothers gave us the first aeroplane. (a) True (b) False
  27. 27.💡 Who gave us penicillin? (a) the Wright brothers (b) Louis Braille (c) Alexander Graham Bell (d) Alexander Fleming
  28. 28.True or false: a printing press helps us print many books. (a) True (b) False
  29. 29.What did Louis Braille give us? (a) raised-dot writing (b) X-rays (c) the telephone (d) the smallpox vaccine
  30. 30.True or false: Alexander Fleming gave us the telephone. (a) True (b) False
  31. 31.What did René Laennec give us? (a) the smallpox vaccine (b) the telephone (c) X-rays (d) the stethoscope
  32. 32.💡 Who gave us raised-dot writing? (a) Edward Jenner (b) Louis Braille (c) the Wright brothers (d) Alessandro Volta
  33. 33.True or false: a printing press helps us talk to people far away. (a) True (b) False
  34. 34.True or false: a printing press helps us see faraway stars. (a) True (b) False
  35. 35.What does a microscope help us do? (a) do sums quickly (b) measure body temperature (c) see tiny germs (d) hear the heartbeat
  36. 36.True or false: a printing press helps us measure body temperature. (a) False (b) True
  37. 37.True or false: René Laennec gave us the smallpox vaccine. (a) True (b) False
  38. 38.True or false: Edward Jenner gave us raised-dot writing. (a) True (b) False
  39. 39.True or false: a clock helps us tell the time. (a) True (b) False
  40. 40.True or false: Louis Braille gave us the printing press. (a) True (b) False

Answer key

  1. True
  2. stethoscope
  3. False
  4. X-rays
  5. True
  6. hear the heartbeat
  7. True
  8. talk to people far away
  9. Alexander Graham Bell
  10. René Laennec
  11. Alessandro Volta
  12. True
  13. True
  14. calculator
  15. False
  16. False
  17. True
  18. do sums quickly
  19. compass
  20. False
  21. thermometer
  22. the first aeroplane
  23. the telephone
  24. False
  25. True
  26. True
  27. Alexander Fleming
  28. True
  29. raised-dot writing
  30. False
  31. the stethoscope
  32. Louis Braille
  33. False
  34. False
  35. see tiny germs
  36. False
  37. False
  38. False
  39. True
  40. False

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