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Class 4 GK Worksheet: Inventions and Inventors

GK lesson 21: Inventions and inventors · Set 576 · 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 find directions? (a) compass (b) stethoscope (c) thermometer (d) clock
  2. 2.What does a calculator help us do? (a) measure body temperature (b) see tiny germs (c) do sums quickly (d) tell the time
  3. 3.What does a stethoscope help us do? (a) measure body temperature (b) hear the heartbeat (c) do sums quickly (d) find directions
  4. 4.True or false: Edward Jenner gave us the stethoscope. (a) True (b) False
  5. 5.True or false: Alexander Fleming gave us the printing press. (a) True (b) False
  6. 6.🔧 Which invention helps us hear the heartbeat? (a) microscope (b) thermometer (c) stethoscope (d) calculator
  7. 7.True or false: a printing press helps us print many books. (a) True (b) False
  8. 8.What did the Wright brothers give us? (a) the printing press (b) raised-dot writing (c) the stethoscope (d) the first aeroplane
  9. 9.💡 Who gave us the printing press? (a) Alexander Graham Bell (b) Alessandro Volta (c) Edward Jenner (d) Johannes Gutenberg
  10. 10.True or false: a thermometer helps us measure body temperature. (a) True (b) False
  11. 11.True or false: Edward Jenner gave us the printing press. (a) False (b) True
  12. 12.💡 Who gave us the smallpox vaccine? (a) Edward Jenner (b) the Wright brothers (c) René Laennec (d) Johannes Gutenberg
  13. 13.What did Alexander Graham Bell give us? (a) penicillin (b) the first aeroplane (c) the telephone (d) X-rays
  14. 14.🔧 Which invention helps us see tiny germs? (a) thermometer (b) microscope (c) stethoscope (d) clock
  15. 15.What does a printing press help us do? (a) see faraway stars (b) print many books (c) measure body temperature (d) talk to people far away
  16. 16.True or false: the Wright brothers gave us the first aeroplane. (a) True (b) False
  17. 17.True or false: a thermometer helps us see faraway stars. (a) False (b) True
  18. 18.True or false: Wilhelm Röntgen gave us X-rays. (a) False (b) True
  19. 19.What did Louis Braille give us? (a) the telephone (b) raised-dot writing (c) the electric battery (d) the first aeroplane
  20. 20.True or false: a calculator helps us see tiny germs. (a) False (b) True
  21. 21.What does a microscope help us do? (a) hear the heartbeat (b) tell the time (c) see tiny germs (d) measure body temperature
  22. 22.💡 Who gave us X-rays? (a) Edward Jenner (b) Louis Braille (c) Alexander Graham Bell (d) Wilhelm Röntgen
  23. 23.True or false: Louis Braille gave us raised-dot writing. (a) False (b) True
  24. 24.What did Alessandro Volta give us? (a) the electric battery (b) raised-dot writing (c) X-rays (d) the stethoscope
  25. 25.True or false: Johannes Gutenberg gave us the stethoscope. (a) False (b) True
  26. 26.💡 Who gave us the electric battery? (a) Alexander Fleming (b) Alessandro Volta (c) Louis Braille (d) René Laennec
  27. 27.What did Johannes Gutenberg give us? (a) X-rays (b) the printing press (c) penicillin (d) the telephone
  28. 28.True or false: a telescope helps us talk to people far away. (a) False (b) True
  29. 29.True or false: a telephone helps us measure body temperature. (a) False (b) True
  30. 30.What does a clock help us do? (a) print many books (b) tell the time (c) see tiny germs (d) talk to people far away
  31. 31.💡 Who gave us the stethoscope? (a) Louis Braille (b) the Wright brothers (c) Edward Jenner (d) René Laennec
  32. 32.💡 Who gave us the telephone? (a) Alexander Graham Bell (b) Wilhelm Röntgen (c) Alexander Fleming (d) Johannes Gutenberg
  33. 33.What does a thermometer help us do? (a) talk to people far away (b) measure body temperature (c) see tiny germs (d) do sums quickly
  34. 34.True or false: a telescope helps us hear the heartbeat. (a) False (b) True
  35. 35.True or false: a thermometer helps us see tiny germs. (a) False (b) True
  36. 36.True or false: a telescope helps us see faraway stars. (a) True (b) False
  37. 37.True or false: a stethoscope helps us print many books. (a) True (b) False
  38. 38.🔧 Which invention helps us do sums quickly? (a) calculator (b) printing press (c) thermometer (d) stethoscope
  39. 39.What does a telescope help us do? (a) print many books (b) see tiny germs (c) see faraway stars (d) tell the time
  40. 40.True or false: the Wright brothers gave us X-rays. (a) True (b) False

Answer key

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

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