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Class 4 GK Worksheet: Inventions and Inventors

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

Answer key

  1. see faraway stars
  2. True
  3. True
  4. thermometer
  5. False
  6. False
  7. True
  8. Alessandro Volta
  9. False
  10. Alexander Graham Bell
  11. find directions
  12. False
  13. False
  14. compass
  15. print many books
  16. False
  17. Johannes Gutenberg
  18. True
  19. False
  20. the first aeroplane
  21. the Wright brothers
  22. True
  23. Edward Jenner
  24. penicillin
  25. René Laennec
  26. the smallpox vaccine
  27. Louis Braille
  28. X-rays
  29. True
  30. see tiny germs
  31. telephone
  32. stethoscope
  33. True
  34. False
  35. printing press
  36. telescope
  37. clock
  38. calculator
  39. Wilhelm Röntgen
  40. microscope

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