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Class 4 GK Worksheet: Inventions and Inventors

GK lesson 21: Inventions and inventors · Set 835 · 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 compass helps us do sums quickly. (a) False (b) True
  2. 2.💡 Who gave us the smallpox vaccine? (a) Wilhelm Röntgen (b) Edward Jenner (c) Louis Braille (d) Johannes Gutenberg
  3. 3.💡 Who gave us the electric battery? (a) Alexander Fleming (b) Alessandro Volta (c) René Laennec (d) Edward Jenner
  4. 4.🔧 Which invention helps us print many books? (a) clock (b) telescope (c) compass (d) printing press
  5. 5.🔧 Which invention helps us measure body temperature? (a) compass (b) thermometer (c) stethoscope (d) telephone
  6. 6.🔧 Which invention helps us see faraway stars? (a) clock (b) compass (c) telephone (d) telescope
  7. 7.💡 Who gave us the telephone? (a) Wilhelm Röntgen (b) René Laennec (c) Alexander Graham Bell (d) Johannes Gutenberg
  8. 8.What does a microscope help us do? (a) tell the time (b) talk to people far away (c) do sums quickly (d) see tiny germs
  9. 9.🔧 Which invention helps us hear the heartbeat? (a) printing press (b) calculator (c) stethoscope (d) telescope
  10. 10.What does a printing press help us do? (a) talk to people far away (b) print many books (c) hear the heartbeat (d) find directions
  11. 11.💡 Who gave us the first aeroplane? (a) Louis Braille (b) Edward Jenner (c) the Wright brothers (d) Alexander Graham Bell
  12. 12.What did Louis Braille give us? (a) X-rays (b) the first aeroplane (c) raised-dot writing (d) the electric battery
  13. 13.What does a thermometer help us do? (a) find directions (b) print many books (c) measure body temperature (d) see faraway stars
  14. 14.True or false: a microscope helps us hear the heartbeat. (a) False (b) True
  15. 15.What does a stethoscope help us do? (a) see tiny germs (b) do sums quickly (c) hear the heartbeat (d) measure body temperature
  16. 16.True or false: a telescope helps us see faraway stars. (a) False (b) True
  17. 17.🔧 Which invention helps us tell the time? (a) thermometer (b) microscope (c) clock (d) telephone
  18. 18.🔧 Which invention helps us do sums quickly? (a) telescope (b) telephone (c) clock (d) calculator
  19. 19.🔧 Which invention helps us find directions? (a) printing press (b) microscope (c) compass (d) stethoscope
  20. 20.🔧 Which invention helps us see tiny germs? (a) microscope (b) stethoscope (c) compass (d) printing press
  21. 21.True or false: Johannes Gutenberg gave us the printing press. (a) True (b) False
  22. 22.True or false: a stethoscope helps us talk to people far away. (a) False (b) True
  23. 23.What did Alexander Graham Bell give us? (a) penicillin (b) X-rays (c) the electric battery (d) the telephone
  24. 24.💡 Who gave us raised-dot writing? (a) Alexander Fleming (b) Louis Braille (c) René Laennec (d) the Wright brothers
  25. 25.True or false: a printing press helps us see faraway stars. (a) False (b) True
  26. 26.What did René Laennec give us? (a) the first aeroplane (b) the telephone (c) the stethoscope (d) the smallpox vaccine
  27. 27.What does a clock help us do? (a) hear the heartbeat (b) see tiny germs (c) tell the time (d) talk to people far away
  28. 28.What did the Wright brothers give us? (a) the first aeroplane (b) the telephone (c) the stethoscope (d) the printing press
  29. 29.What does a telephone help us do? (a) see tiny germs (b) talk to people far away (c) do sums quickly (d) measure body temperature
  30. 30.What did Johannes Gutenberg give us? (a) the printing press (b) the stethoscope (c) the first aeroplane (d) penicillin
  31. 31.What does a telescope help us do? (a) see faraway stars (b) talk to people far away (c) hear the heartbeat (d) print many books
  32. 32.What did Alexander Fleming give us? (a) the first aeroplane (b) the electric battery (c) the telephone (d) penicillin
  33. 33.💡 Who gave us the printing press? (a) Johannes Gutenberg (b) the Wright brothers (c) Edward Jenner (d) Alexander Fleming
  34. 34.True or false: a clock helps us measure body temperature. (a) True (b) False
  35. 35.True or false: Alessandro Volta gave us the telephone. (a) False (b) True
  36. 36.💡 Who gave us X-rays? (a) René Laennec (b) Alessandro Volta (c) Wilhelm Röntgen (d) the Wright brothers
  37. 37.💡 Who gave us the stethoscope? (a) Wilhelm Röntgen (b) Johannes Gutenberg (c) René Laennec (d) Louis Braille
  38. 38.True or false: Alexander Fleming gave us X-rays. (a) False (b) True
  39. 39.True or false: a calculator helps us do sums quickly. (a) True (b) False
  40. 40.True or false: Alessandro Volta gave us penicillin. (a) True (b) False

Answer key

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

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