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Class 4 GK Worksheet: Inventions and Inventors

GK lesson 21: Inventions and inventors · Set 201 · 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 raised-dot writing? (a) Louis Braille (b) Alessandro Volta (c) the Wright brothers (d) Wilhelm Röntgen
  2. 2.True or false: a telephone helps us talk to people far away. (a) False (b) True
  3. 3.True or false: Alexander Graham Bell gave us the first aeroplane. (a) False (b) True
  4. 4.What did Wilhelm Röntgen give us? (a) the printing press (b) the smallpox vaccine (c) X-rays (d) the first aeroplane
  5. 5.💡 Who gave us the first aeroplane? (a) Wilhelm Röntgen (b) the Wright brothers (c) Alessandro Volta (d) Louis Braille
  6. 6.True or false: a telescope helps us see faraway stars. (a) True (b) False
  7. 7.What does a clock help us do? (a) tell the time (b) do sums quickly (c) find directions (d) hear the heartbeat
  8. 8.💡 Who gave us the printing press? (a) Johannes Gutenberg (b) the Wright brothers (c) Alexander Graham Bell (d) Edward Jenner
  9. 9.True or false: a stethoscope helps us hear the heartbeat. (a) False (b) True
  10. 10.🔧 Which invention helps us talk to people far away? (a) stethoscope (b) telephone (c) thermometer (d) microscope
  11. 11.True or false: Alessandro Volta gave us X-rays. (a) False (b) True
  12. 12.What does a calculator help us do? (a) do sums quickly (b) hear the heartbeat (c) print many books (d) see tiny germs
  13. 13.💡 Who gave us the electric battery? (a) Louis Braille (b) Johannes Gutenberg (c) René Laennec (d) Alessandro Volta
  14. 14.🔧 Which invention helps us tell the time? (a) clock (b) calculator (c) telescope (d) printing press
  15. 15.True or false: a telephone helps us see faraway stars. (a) True (b) False
  16. 16.True or false: a clock helps us tell the time. (a) True (b) False
  17. 17.What did Alexander Graham Bell give us? (a) the telephone (b) the smallpox vaccine (c) the first aeroplane (d) the stethoscope
  18. 18.🔧 Which invention helps us hear the heartbeat? (a) thermometer (b) microscope (c) printing press (d) stethoscope
  19. 19.🔧 Which invention helps us do sums quickly? (a) calculator (b) printing press (c) microscope (d) telescope
  20. 20.True or false: a thermometer helps us measure body temperature. (a) False (b) True
  21. 21.True or false: Louis Braille gave us raised-dot writing. (a) True (b) False
  22. 22.True or false: a microscope helps us see tiny germs. (a) False (b) True
  23. 23.What does a telescope help us do? (a) measure body temperature (b) see faraway stars (c) do sums quickly (d) tell the time
  24. 24.What did René Laennec give us? (a) penicillin (b) the stethoscope (c) the telephone (d) the smallpox vaccine
  25. 25.True or false: René Laennec gave us the telephone. (a) True (b) False
  26. 26.💡 Who gave us the smallpox vaccine? (a) Alexander Fleming (b) Louis Braille (c) Alexander Graham Bell (d) Edward Jenner
  27. 27.What did Johannes Gutenberg give us? (a) the printing press (b) the stethoscope (c) penicillin (d) X-rays
  28. 28.True or false: a calculator helps us talk to people far away. (a) True (b) False
  29. 29.True or false: Alexander Fleming gave us penicillin. (a) True (b) False
  30. 30.True or false: the Wright brothers gave us the first aeroplane. (a) False (b) True
  31. 31.What does a microscope help us do? (a) see tiny germs (b) tell the time (c) hear the heartbeat (d) do sums quickly
  32. 32.🔧 Which invention helps us print many books? (a) telescope (b) microscope (c) calculator (d) printing press
  33. 33.🔧 Which invention helps us see faraway stars? (a) printing press (b) telescope (c) telephone (d) stethoscope
  34. 34.True or false: Alexander Graham Bell gave us the telephone. (a) False (b) True
  35. 35.What does a stethoscope help us do? (a) hear the heartbeat (b) measure body temperature (c) talk to people far away (d) tell the time
  36. 36.True or false: a printing press helps us see tiny germs. (a) True (b) False
  37. 37.What does a telephone help us do? (a) tell the time (b) see faraway stars (c) see tiny germs (d) talk to people far away
  38. 38.💡 Who gave us X-rays? (a) Johannes Gutenberg (b) Edward Jenner (c) Wilhelm Röntgen (d) Alessandro Volta
  39. 39.🔧 Which invention helps us see tiny germs? (a) telephone (b) telescope (c) microscope (d) calculator
  40. 40.True or false: a compass helps us find directions. (a) True (b) False

Answer key

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

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