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Class 4 GK Worksheet: Inventions and Inventors

GK lesson 21: Inventions and inventors · Set 175 · 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 telephone helps us talk to people far away. (a) False (b) True
  2. 2.💡 Who gave us X-rays? (a) Alexander Graham Bell (b) Alexander Fleming (c) René Laennec (d) Wilhelm Röntgen
  3. 3.What did the Wright brothers give us? (a) the smallpox vaccine (b) the first aeroplane (c) the stethoscope (d) X-rays
  4. 4.🔧 Which invention helps us do sums quickly? (a) compass (b) telescope (c) printing press (d) calculator
  5. 5.What did Alessandro Volta give us? (a) the telephone (b) the electric battery (c) raised-dot writing (d) X-rays
  6. 6.What does a compass help us do? (a) find directions (b) hear the heartbeat (c) see faraway stars (d) see tiny germs
  7. 7.💡 Who gave us raised-dot writing? (a) the Wright brothers (b) René Laennec (c) Louis Braille (d) Alexander Graham Bell
  8. 8.What did Alexander Fleming give us? (a) raised-dot writing (b) the electric battery (c) the printing press (d) penicillin
  9. 9.True or false: Alexander Fleming gave us X-rays. (a) True (b) False
  10. 10.What did Wilhelm Röntgen give us? (a) the stethoscope (b) the first aeroplane (c) the telephone (d) X-rays
  11. 11.💡 Who gave us the printing press? (a) Alessandro Volta (b) Johannes Gutenberg (c) Edward Jenner (d) Alexander Fleming
  12. 12.True or false: a printing press helps us find directions. (a) True (b) False
  13. 13.True or false: a calculator helps us find directions. (a) False (b) True
  14. 14.What does a stethoscope help us do? (a) measure body temperature (b) print many books (c) find directions (d) hear the heartbeat
  15. 15.True or false: a calculator helps us do sums quickly. (a) False (b) True
  16. 16.What does a printing press help us do? (a) find directions (b) measure body temperature (c) print many books (d) do sums quickly
  17. 17.True or false: the Wright brothers gave us the first aeroplane. (a) False (b) True
  18. 18.What did Alexander Graham Bell give us? (a) the electric battery (b) the stethoscope (c) the printing press (d) the telephone
  19. 19.True or false: a printing press helps us print many books. (a) True (b) False
  20. 20.True or false: a compass helps us measure body temperature. (a) True (b) False
  21. 21.True or false: a compass helps us find directions. (a) True (b) False
  22. 22.What does a thermometer help us do? (a) find directions (b) see faraway stars (c) tell the time (d) measure body temperature
  23. 23.True or false: a microscope helps us see tiny germs. (a) False (b) True
  24. 24.True or false: a telephone helps us measure body temperature. (a) True (b) False
  25. 25.💡 Who gave us penicillin? (a) Alexander Graham Bell (b) Alexander Fleming (c) Johannes Gutenberg (d) Wilhelm Röntgen
  26. 26.True or false: Johannes Gutenberg gave us penicillin. (a) True (b) False
  27. 27.True or false: René Laennec gave us the stethoscope. (a) False (b) True
  28. 28.True or false: Johannes Gutenberg gave us the first aeroplane. (a) True (b) False
  29. 29.True or false: a thermometer helps us talk to people far away. (a) True (b) False
  30. 30.True or false: a stethoscope helps us find directions. (a) False (b) True
  31. 31.True or false: René Laennec gave us X-rays. (a) False (b) True
  32. 32.What did Edward Jenner give us? (a) the telephone (b) the printing press (c) the smallpox vaccine (d) the stethoscope
  33. 33.True or false: a printing press helps us do sums quickly. (a) True (b) False
  34. 34.🔧 Which invention helps us see faraway stars? (a) thermometer (b) telescope (c) microscope (d) telephone
  35. 35.What does a telephone help us do? (a) talk to people far away (b) do sums quickly (c) hear the heartbeat (d) print many books
  36. 36.True or false: a thermometer helps us see tiny germs. (a) False (b) True
  37. 37.🔧 Which invention helps us hear the heartbeat? (a) telescope (b) clock (c) printing press (d) stethoscope
  38. 38.💡 Who gave us the electric battery? (a) Alessandro Volta (b) Alexander Fleming (c) the Wright brothers (d) Edward Jenner
  39. 39.What does a microscope help us do? (a) tell the time (b) talk to people far away (c) see faraway stars (d) see tiny germs
  40. 40.True or false: a telescope helps us see faraway stars. (a) False (b) True

Answer key

  1. True
  2. Wilhelm Röntgen
  3. the first aeroplane
  4. calculator
  5. the electric battery
  6. find directions
  7. Louis Braille
  8. penicillin
  9. False
  10. X-rays
  11. Johannes Gutenberg
  12. False
  13. False
  14. hear the heartbeat
  15. True
  16. print many books
  17. True
  18. the telephone
  19. True
  20. False
  21. True
  22. measure body temperature
  23. True
  24. False
  25. Alexander Fleming
  26. False
  27. True
  28. False
  29. False
  30. False
  31. False
  32. the smallpox vaccine
  33. False
  34. telescope
  35. talk to people far away
  36. False
  37. stethoscope
  38. Alessandro Volta
  39. see tiny germs
  40. True

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