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Class 4 GK Worksheet: Inventions and Inventors

GK lesson 21: Inventions and inventors · Set 743 · 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 stethoscope help us do? (a) print many books (b) measure body temperature (c) see tiny germs (d) hear the heartbeat
  2. 2.🔧 Which invention helps us see tiny germs? (a) printing press (b) stethoscope (c) microscope (d) compass
  3. 3.True or false: a printing press helps us print many books. (a) False (b) True
  4. 4.💡 Who gave us X-rays? (a) Johannes Gutenberg (b) Edward Jenner (c) Wilhelm Röntgen (d) René Laennec
  5. 5.💡 Who gave us the smallpox vaccine? (a) Johannes Gutenberg (b) Alexander Graham Bell (c) Louis Braille (d) Edward Jenner
  6. 6.💡 Who gave us the stethoscope? (a) Alexander Fleming (b) René Laennec (c) Johannes Gutenberg (d) Edward Jenner
  7. 7.True or false: Alessandro Volta gave us the printing press. (a) False (b) True
  8. 8.💡 Who gave us the printing press? (a) Johannes Gutenberg (b) Alexander Graham Bell (c) the Wright brothers (d) Louis Braille
  9. 9.True or false: Alessandro Volta gave us the smallpox vaccine. (a) True (b) False
  10. 10.🔧 Which invention helps us tell the time? (a) thermometer (b) stethoscope (c) telephone (d) clock
  11. 11.True or false: a thermometer helps us measure body temperature. (a) False (b) True
  12. 12.💡 Who gave us raised-dot writing? (a) Louis Braille (b) Alexander Fleming (c) the Wright brothers (d) Alessandro Volta
  13. 13.What does a printing press help us do? (a) tell the time (b) measure body temperature (c) see tiny germs (d) print many books
  14. 14.True or false: a calculator helps us do sums quickly. (a) True (b) False
  15. 15.🔧 Which invention helps us print many books? (a) printing press (b) calculator (c) clock (d) telephone
  16. 16.True or false: a compass helps us find directions. (a) False (b) True
  17. 17.What did Alessandro Volta give us? (a) the electric battery (b) the smallpox vaccine (c) raised-dot writing (d) the telephone
  18. 18.True or false: Alessandro Volta gave us the electric battery. (a) False (b) True
  19. 19.True or false: Alexander Graham Bell gave us the telephone. (a) True (b) False
  20. 20.💡 Who gave us the electric battery? (a) Edward Jenner (b) Alessandro Volta (c) René Laennec (d) Johannes Gutenberg
  21. 21.What did Edward Jenner give us? (a) the smallpox vaccine (b) the first aeroplane (c) penicillin (d) the stethoscope
  22. 22.🔧 Which invention helps us find directions? (a) compass (b) clock (c) telephone (d) stethoscope
  23. 23.True or false: Alessandro Volta gave us raised-dot writing. (a) False (b) True
  24. 24.What does a telephone help us do? (a) hear the heartbeat (b) tell the time (c) talk to people far away (d) see faraway stars
  25. 25.True or false: Wilhelm Röntgen gave us X-rays. (a) True (b) False
  26. 26.True or false: Wilhelm Röntgen gave us the telephone. (a) False (b) True
  27. 27.What did Wilhelm Röntgen give us? (a) X-rays (b) the telephone (c) the smallpox vaccine (d) the stethoscope
  28. 28.What does a telescope help us do? (a) measure body temperature (b) tell the time (c) see tiny germs (d) see faraway stars
  29. 29.What did the Wright brothers give us? (a) raised-dot writing (b) X-rays (c) the telephone (d) the first aeroplane
  30. 30.💡 Who gave us penicillin? (a) Edward Jenner (b) Alexander Fleming (c) Alessandro Volta (d) the Wright brothers
  31. 31.💡 Who gave us the first aeroplane? (a) the Wright brothers (b) Alexander Graham Bell (c) Edward Jenner (d) Johannes Gutenberg
  32. 32.What does a clock help us do? (a) hear the heartbeat (b) see tiny germs (c) find directions (d) tell the time
  33. 33.🔧 Which invention helps us talk to people far away? (a) stethoscope (b) telephone (c) printing press (d) compass
  34. 34.True or false: a telephone helps us talk to people far away. (a) False (b) True
  35. 35.True or false: Louis Braille gave us raised-dot writing. (a) False (b) True
  36. 36.🔧 Which invention helps us do sums quickly? (a) calculator (b) printing press (c) thermometer (d) microscope
  37. 37.True or false: a microscope helps us do sums quickly. (a) True (b) False
  38. 38.True or false: Alexander Graham Bell gave us raised-dot writing. (a) True (b) False
  39. 39.🔧 Which invention helps us measure body temperature? (a) stethoscope (b) calculator (c) thermometer (d) telescope
  40. 40.True or false: a thermometer helps us print many books. (a) True (b) False

Answer key

  1. hear the heartbeat
  2. microscope
  3. True
  4. Wilhelm Röntgen
  5. Edward Jenner
  6. René Laennec
  7. False
  8. Johannes Gutenberg
  9. False
  10. clock
  11. True
  12. Louis Braille
  13. print many books
  14. True
  15. printing press
  16. True
  17. the electric battery
  18. True
  19. True
  20. Alessandro Volta
  21. the smallpox vaccine
  22. compass
  23. False
  24. talk to people far away
  25. True
  26. False
  27. X-rays
  28. see faraway stars
  29. the first aeroplane
  30. Alexander Fleming
  31. the Wright brothers
  32. tell the time
  33. telephone
  34. True
  35. True
  36. calculator
  37. False
  38. False
  39. thermometer
  40. False

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