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Class 4 GK Worksheet: Inventions and Inventors

GK lesson 21: Inventions and inventors · Set 895 · 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: Alessandro Volta gave us the electric battery. (a) False (b) True
  2. 2.🔧 Which invention helps us measure body temperature? (a) thermometer (b) stethoscope (c) clock (d) telescope
  3. 3.🔧 Which invention helps us tell the time? (a) thermometer (b) compass (c) microscope (d) clock
  4. 4.What did Louis Braille give us? (a) the electric battery (b) X-rays (c) the printing press (d) raised-dot writing
  5. 5.What did the Wright brothers give us? (a) the stethoscope (b) the first aeroplane (c) the telephone (d) raised-dot writing
  6. 6.💡 Who gave us the stethoscope? (a) René Laennec (b) Johannes Gutenberg (c) the Wright brothers (d) Alexander Fleming
  7. 7.What does a printing press help us do? (a) print many books (b) measure body temperature (c) find directions (d) see tiny germs
  8. 8.💡 Who gave us the first aeroplane? (a) René Laennec (b) the Wright brothers (c) Johannes Gutenberg (d) Alexander Fleming
  9. 9.What did René Laennec give us? (a) penicillin (b) the stethoscope (c) the printing press (d) raised-dot writing
  10. 10.What does a compass help us do? (a) see tiny germs (b) tell the time (c) do sums quickly (d) find directions
  11. 11.True or false: a stethoscope helps us hear the heartbeat. (a) False (b) True
  12. 12.True or false: a telephone helps us tell the time. (a) True (b) False
  13. 13.True or false: a stethoscope helps us do sums quickly. (a) False (b) True
  14. 14.💡 Who gave us the printing press? (a) Alexander Graham Bell (b) Johannes Gutenberg (c) Wilhelm Röntgen (d) the Wright brothers
  15. 15.🔧 Which invention helps us see faraway stars? (a) calculator (b) thermometer (c) telephone (d) telescope
  16. 16.What did Edward Jenner give us? (a) the smallpox vaccine (b) the stethoscope (c) the first aeroplane (d) raised-dot writing
  17. 17.True or false: a clock helps us see faraway stars. (a) True (b) False
  18. 18.True or false: Johannes Gutenberg gave us the printing press. (a) False (b) True
  19. 19.True or false: a compass helps us measure body temperature. (a) True (b) False
  20. 20.What does a clock help us do? (a) see tiny germs (b) hear the heartbeat (c) tell the time (d) print many books
  21. 21.What did Alexander Graham Bell give us? (a) X-rays (b) the telephone (c) the printing press (d) the stethoscope
  22. 22.What does a telescope help us do? (a) find directions (b) see tiny germs (c) print many books (d) see faraway stars
  23. 23.True or false: Louis Braille gave us raised-dot writing. (a) True (b) False
  24. 24.What did Alexander Fleming give us? (a) raised-dot writing (b) the stethoscope (c) penicillin (d) the printing press
  25. 25.💡 Who gave us raised-dot writing? (a) Louis Braille (b) Johannes Gutenberg (c) René Laennec (d) the Wright brothers
  26. 26.🔧 Which invention helps us do sums quickly? (a) calculator (b) printing press (c) thermometer (d) telephone
  27. 27.True or false: a thermometer helps us measure body temperature. (a) False (b) True
  28. 28.💡 Who gave us penicillin? (a) Alexander Graham Bell (b) the Wright brothers (c) Alexander Fleming (d) René Laennec
  29. 29.What does a thermometer help us do? (a) talk to people far away (b) do sums quickly (c) measure body temperature (d) find directions
  30. 30.True or false: Alessandro Volta gave us raised-dot writing. (a) True (b) False
  31. 31.🔧 Which invention helps us find directions? (a) telephone (b) stethoscope (c) thermometer (d) compass
  32. 32.💡 Who gave us X-rays? (a) René Laennec (b) Alexander Graham Bell (c) the Wright brothers (d) Wilhelm Röntgen
  33. 33.What does a microscope help us do? (a) do sums quickly (b) print many books (c) talk to people far away (d) see tiny germs
  34. 34.True or false: Johannes Gutenberg gave us the first aeroplane. (a) True (b) False
  35. 35.💡 Who gave us the electric battery? (a) Alessandro Volta (b) Johannes Gutenberg (c) Alexander Graham Bell (d) Alexander Fleming
  36. 36.True or false: Edward Jenner gave us the telephone. (a) False (b) True
  37. 37.True or false: a clock helps us tell the time. (a) False (b) True
  38. 38.True or false: Alexander Graham Bell gave us the printing press. (a) True (b) False
  39. 39.🔧 Which invention helps us hear the heartbeat? (a) clock (b) stethoscope (c) calculator (d) telescope
  40. 40.True or false: Alexander Fleming gave us penicillin. (a) True (b) False

Answer key

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

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