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Class 4 GK Worksheet: Inventions and Inventors

GK lesson 21: Inventions and inventors · Set 303 · 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 hear the heartbeat? (a) printing press (b) clock (c) stethoscope (d) telephone
  2. 2.True or false: a clock helps us find directions. (a) True (b) False
  3. 3.True or false: a clock helps us tell the time. (a) False (b) True
  4. 4.What did Edward Jenner give us? (a) the printing press (b) the telephone (c) the smallpox vaccine (d) the stethoscope
  5. 5.True or false: a stethoscope helps us hear the heartbeat. (a) False (b) True
  6. 6.What did Johannes Gutenberg give us? (a) the first aeroplane (b) the printing press (c) the electric battery (d) the stethoscope
  7. 7.What did Alessandro Volta give us? (a) the electric battery (b) the first aeroplane (c) the printing press (d) raised-dot writing
  8. 8.True or false: Wilhelm Röntgen gave us X-rays. (a) False (b) True
  9. 9.True or false: a telephone helps us do sums quickly. (a) True (b) False
  10. 10.True or false: Alexander Graham Bell gave us the telephone. (a) False (b) True
  11. 11.🔧 Which invention helps us talk to people far away? (a) calculator (b) printing press (c) microscope (d) telephone
  12. 12.What did Alexander Graham Bell give us? (a) penicillin (b) the printing press (c) the telephone (d) X-rays
  13. 13.True or false: Wilhelm Röntgen gave us the stethoscope. (a) True (b) False
  14. 14.What did Louis Braille give us? (a) raised-dot writing (b) the telephone (c) the stethoscope (d) the smallpox vaccine
  15. 15.What does a telescope help us do? (a) tell the time (b) see faraway stars (c) hear the heartbeat (d) talk to people far away
  16. 16.What does a telephone help us do? (a) find directions (b) hear the heartbeat (c) do sums quickly (d) talk to people far away
  17. 17.What does a clock help us do? (a) print many books (b) hear the heartbeat (c) do sums quickly (d) tell the time
  18. 18.🔧 Which invention helps us tell the time? (a) compass (b) telephone (c) clock (d) telescope
  19. 19.True or false: a printing press helps us see tiny germs. (a) False (b) True
  20. 20.True or false: Alexander Graham Bell gave us X-rays. (a) True (b) False
  21. 21.What did the Wright brothers give us? (a) X-rays (b) the electric battery (c) the smallpox vaccine (d) the first aeroplane
  22. 22.True or false: René Laennec gave us the stethoscope. (a) False (b) True
  23. 23.🔧 Which invention helps us print many books? (a) stethoscope (b) printing press (c) thermometer (d) microscope
  24. 24.💡 Who gave us the telephone? (a) Louis Braille (b) Johannes Gutenberg (c) Wilhelm Röntgen (d) Alexander Graham Bell
  25. 25.💡 Who gave us the smallpox vaccine? (a) Edward Jenner (b) René Laennec (c) Wilhelm Röntgen (d) Alessandro Volta
  26. 26.🔧 Which invention helps us see faraway stars? (a) telephone (b) clock (c) printing press (d) telescope
  27. 27.💡 Who gave us raised-dot writing? (a) Louis Braille (b) Alessandro Volta (c) the Wright brothers (d) Wilhelm Röntgen
  28. 28.What does a printing press help us do? (a) see tiny germs (b) see faraway stars (c) print many books (d) talk to people far away
  29. 29.What does a calculator help us do? (a) do sums quickly (b) see tiny germs (c) print many books (d) hear the heartbeat
  30. 30.True or false: a telescope helps us see faraway stars. (a) True (b) False
  31. 31.💡 Who gave us the stethoscope? (a) Wilhelm Röntgen (b) the Wright brothers (c) Johannes Gutenberg (d) René Laennec
  32. 32.What did Wilhelm Röntgen give us? (a) the stethoscope (b) the printing press (c) the first aeroplane (d) X-rays
  33. 33.What does a microscope help us do? (a) hear the heartbeat (b) see faraway stars (c) see tiny germs (d) talk to people far away
  34. 34.What does a thermometer help us do? (a) print many books (b) do sums quickly (c) see faraway stars (d) measure body temperature
  35. 35.What does a stethoscope help us do? (a) hear the heartbeat (b) find directions (c) do sums quickly (d) see tiny germs
  36. 36.What does a compass help us do? (a) see faraway stars (b) hear the heartbeat (c) measure body temperature (d) find directions
  37. 37.True or false: a stethoscope helps us print many books. (a) False (b) True
  38. 38.True or false: a microscope helps us see tiny germs. (a) False (b) True
  39. 39.🔧 Which invention helps us do sums quickly? (a) telescope (b) compass (c) telephone (d) calculator
  40. 40.💡 Who gave us X-rays? (a) the Wright brothers (b) René Laennec (c) Louis Braille (d) Wilhelm Röntgen

Answer key

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

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