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Class 4 GK Worksheet: Inventions and Inventors

GK lesson 21: Inventions and inventors · Set 848 · 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.💡 Who gave us the smallpox vaccine? (a) Wilhelm Röntgen (b) René Laennec (c) Alexander Fleming (d) Edward Jenner
  2. 2.🔧 Which invention helps us tell the time? (a) stethoscope (b) compass (c) clock (d) thermometer
  3. 3.🔧 Which invention helps us talk to people far away? (a) compass (b) printing press (c) microscope (d) telephone
  4. 4.True or false: a microscope helps us see tiny germs. (a) True (b) False
  5. 5.What did Edward Jenner give us? (a) penicillin (b) the smallpox vaccine (c) X-rays (d) the printing press
  6. 6.💡 Who gave us the telephone? (a) Alexander Graham Bell (b) the Wright brothers (c) Alessandro Volta (d) Alexander Fleming
  7. 7.What did Alessandro Volta give us? (a) the stethoscope (b) the smallpox vaccine (c) the electric battery (d) raised-dot writing
  8. 8.What does a calculator help us do? (a) tell the time (b) do sums quickly (c) hear the heartbeat (d) print many books
  9. 9.True or false: Louis Braille gave us raised-dot writing. (a) True (b) False
  10. 10.What does a microscope help us do? (a) find directions (b) see tiny germs (c) print many books (d) do sums quickly
  11. 11.💡 Who gave us the printing press? (a) Louis Braille (b) Alexander Fleming (c) Wilhelm Röntgen (d) Johannes Gutenberg
  12. 12.What does a telescope help us do? (a) talk to people far away (b) see faraway stars (c) tell the time (d) hear the heartbeat
  13. 13.True or false: Alessandro Volta gave us the electric battery. (a) True (b) False
  14. 14.🔧 Which invention helps us print many books? (a) stethoscope (b) thermometer (c) telephone (d) printing press
  15. 15.True or false: Alexander Fleming gave us penicillin. (a) False (b) True
  16. 16.True or false: René Laennec gave us the first aeroplane. (a) True (b) False
  17. 17.What did Johannes Gutenberg give us? (a) the stethoscope (b) the telephone (c) the electric battery (d) the printing press
  18. 18.What does a thermometer help us do? (a) see faraway stars (b) talk to people far away (c) measure body temperature (d) find directions
  19. 19.What did Louis Braille give us? (a) the smallpox vaccine (b) X-rays (c) the stethoscope (d) raised-dot writing
  20. 20.What does a printing press help us do? (a) do sums quickly (b) print many books (c) measure body temperature (d) find directions
  21. 21.💡 Who gave us X-rays? (a) Wilhelm Röntgen (b) Johannes Gutenberg (c) Edward Jenner (d) Alexander Fleming
  22. 22.True or false: a microscope helps us measure body temperature. (a) True (b) False
  23. 23.🔧 Which invention helps us see faraway stars? (a) stethoscope (b) telescope (c) thermometer (d) clock
  24. 24.What does a telephone help us do? (a) talk to people far away (b) see faraway stars (c) do sums quickly (d) see tiny germs
  25. 25.🔧 Which invention helps us measure body temperature? (a) telescope (b) clock (c) telephone (d) thermometer
  26. 26.True or false: the Wright brothers gave us the electric battery. (a) True (b) False
  27. 27.What did René Laennec give us? (a) the stethoscope (b) the telephone (c) the first aeroplane (d) raised-dot writing
  28. 28.🔧 Which invention helps us hear the heartbeat? (a) stethoscope (b) thermometer (c) compass (d) telescope
  29. 29.True or false: a thermometer helps us hear the heartbeat. (a) True (b) False
  30. 30.True or false: Louis Braille gave us the electric battery. (a) True (b) False
  31. 31.💡 Who gave us raised-dot writing? (a) the Wright brothers (b) Alexander Graham Bell (c) Louis Braille (d) Alessandro Volta
  32. 32.What did the Wright brothers give us? (a) raised-dot writing (b) the telephone (c) the first aeroplane (d) the electric battery
  33. 33.🔧 Which invention helps us see tiny germs? (a) compass (b) thermometer (c) printing press (d) microscope
  34. 34.True or false: a telephone helps us talk to people far away. (a) False (b) True
  35. 35.True or false: a telephone helps us tell the time. (a) True (b) False
  36. 36.What does a stethoscope help us do? (a) find directions (b) hear the heartbeat (c) talk to people far away (d) print many books
  37. 37.What does a clock help us do? (a) measure body temperature (b) talk to people far away (c) hear the heartbeat (d) tell the time
  38. 38.💡 Who gave us the stethoscope? (a) Alexander Graham Bell (b) René Laennec (c) Alexander Fleming (d) Wilhelm Röntgen
  39. 39.🔧 Which invention helps us do sums quickly? (a) calculator (b) microscope (c) stethoscope (d) thermometer
  40. 40.True or false: a stethoscope helps us hear the heartbeat. (a) True (b) False

Answer key

  1. Edward Jenner
  2. clock
  3. telephone
  4. True
  5. the smallpox vaccine
  6. Alexander Graham Bell
  7. the electric battery
  8. do sums quickly
  9. True
  10. see tiny germs
  11. Johannes Gutenberg
  12. see faraway stars
  13. True
  14. printing press
  15. True
  16. False
  17. the printing press
  18. measure body temperature
  19. raised-dot writing
  20. print many books
  21. Wilhelm Röntgen
  22. False
  23. telescope
  24. talk to people far away
  25. thermometer
  26. False
  27. the stethoscope
  28. stethoscope
  29. False
  30. False
  31. Louis Braille
  32. the first aeroplane
  33. microscope
  34. True
  35. False
  36. hear the heartbeat
  37. tell the time
  38. René Laennec
  39. calculator
  40. True

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