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Class 4 GK Worksheet: Inventions and Inventors

GK lesson 21: Inventions and inventors · Set 443 · 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.🔧 Which invention helps us print many books? (a) thermometer (b) telephone (c) microscope (d) printing press
  2. 2.What does a thermometer help us do? (a) measure body temperature (b) tell the time (c) find directions (d) see tiny germs
  3. 3.What did Wilhelm Röntgen give us? (a) the smallpox vaccine (b) X-rays (c) the telephone (d) the stethoscope
  4. 4.What did René Laennec give us? (a) the printing press (b) raised-dot writing (c) the first aeroplane (d) the stethoscope
  5. 5.🔧 Which invention helps us do sums quickly? (a) printing press (b) stethoscope (c) telephone (d) calculator
  6. 6.True or false: Alexander Graham Bell gave us the stethoscope. (a) False (b) True
  7. 7.True or false: Alexander Graham Bell gave us the telephone. (a) False (b) True
  8. 8.True or false: a telescope helps us see faraway stars. (a) False (b) True
  9. 9.💡 Who gave us the printing press? (a) Johannes Gutenberg (b) Louis Braille (c) Edward Jenner (d) Alessandro Volta
  10. 10.True or false: Johannes Gutenberg gave us the stethoscope. (a) True (b) False
  11. 11.What did Alexander Graham Bell give us? (a) the telephone (b) the electric battery (c) penicillin (d) the printing press
  12. 12.💡 Who gave us the electric battery? (a) Alessandro Volta (b) René Laennec (c) Louis Braille (d) Alexander Graham Bell
  13. 13.True or false: Louis Braille gave us the stethoscope. (a) True (b) False
  14. 14.💡 Who gave us the first aeroplane? (a) Edward Jenner (b) Johannes Gutenberg (c) Louis Braille (d) the Wright brothers
  15. 15.💡 Who gave us the smallpox vaccine? (a) Johannes Gutenberg (b) Edward Jenner (c) Alexander Fleming (d) Alexander Graham Bell
  16. 16.💡 Who gave us raised-dot writing? (a) Alessandro Volta (b) the Wright brothers (c) Alexander Graham Bell (d) Louis Braille
  17. 17.True or false: a stethoscope helps us hear the heartbeat. (a) True (b) False
  18. 18.What does a calculator help us do? (a) tell the time (b) hear the heartbeat (c) do sums quickly (d) measure body temperature
  19. 19.True or false: a microscope helps us tell the time. (a) False (b) True
  20. 20.What does a telescope help us do? (a) do sums quickly (b) hear the heartbeat (c) see tiny germs (d) see faraway stars
  21. 21.True or false: Alexander Fleming gave us the smallpox vaccine. (a) False (b) True
  22. 22.True or false: Alessandro Volta gave us the first aeroplane. (a) True (b) False
  23. 23.True or false: a thermometer helps us see faraway stars. (a) True (b) False
  24. 24.🔧 Which invention helps us see tiny germs? (a) microscope (b) printing press (c) telescope (d) thermometer
  25. 25.True or false: Alexander Fleming gave us penicillin. (a) True (b) False
  26. 26.True or false: Louis Braille gave us raised-dot writing. (a) False (b) True
  27. 27.What does a telephone help us do? (a) see tiny germs (b) see faraway stars (c) do sums quickly (d) talk to people far away
  28. 28.💡 Who gave us X-rays? (a) Alexander Fleming (b) Alessandro Volta (c) Wilhelm Röntgen (d) the Wright brothers
  29. 29.What does a clock help us do? (a) see tiny germs (b) see faraway stars (c) find directions (d) tell the time
  30. 30.🔧 Which invention helps us find directions? (a) telescope (b) clock (c) stethoscope (d) compass
  31. 31.What does a compass help us do? (a) talk to people far away (b) see tiny germs (c) find directions (d) do sums quickly
  32. 32.True or false: a clock helps us tell the time. (a) False (b) True
  33. 33.True or false: Edward Jenner gave us the smallpox vaccine. (a) True (b) False
  34. 34.True or false: a stethoscope helps us talk to people far away. (a) False (b) True
  35. 35.💡 Who gave us the stethoscope? (a) Louis Braille (b) Alexander Fleming (c) Alessandro Volta (d) René Laennec
  36. 36.What did Johannes Gutenberg give us? (a) the printing press (b) penicillin (c) the first aeroplane (d) the stethoscope
  37. 37.🔧 Which invention helps us hear the heartbeat? (a) stethoscope (b) calculator (c) microscope (d) printing press
  38. 38.True or false: a telephone helps us measure body temperature. (a) True (b) False
  39. 39.True or false: a calculator helps us see tiny germs. (a) True (b) False
  40. 40.🔧 Which invention helps us see faraway stars? (a) stethoscope (b) microscope (c) printing press (d) telescope

Answer key

  1. printing press
  2. measure body temperature
  3. X-rays
  4. the stethoscope
  5. calculator
  6. False
  7. True
  8. True
  9. Johannes Gutenberg
  10. False
  11. the telephone
  12. Alessandro Volta
  13. False
  14. the Wright brothers
  15. Edward Jenner
  16. Louis Braille
  17. True
  18. do sums quickly
  19. False
  20. see faraway stars
  21. False
  22. False
  23. False
  24. microscope
  25. True
  26. True
  27. talk to people far away
  28. Wilhelm Röntgen
  29. tell the time
  30. compass
  31. find directions
  32. True
  33. True
  34. False
  35. René Laennec
  36. the printing press
  37. stethoscope
  38. False
  39. False
  40. telescope

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