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Class 4 GK Worksheet: Inventions and Inventors

GK lesson 21: Inventions and inventors · Set 371 · 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: a stethoscope helps us hear the heartbeat. (a) False (b) True
  2. 2.💡 Who gave us the stethoscope? (a) Louis Braille (b) Alexander Graham Bell (c) Edward Jenner (d) René Laennec
  3. 3.What does a stethoscope help us do? (a) hear the heartbeat (b) print many books (c) see tiny germs (d) measure body temperature
  4. 4.💡 Who gave us raised-dot writing? (a) Alexander Graham Bell (b) the Wright brothers (c) Louis Braille (d) René Laennec
  5. 5.True or false: a compass helps us find directions. (a) False (b) True
  6. 6.True or false: Alexander Fleming gave us the printing press. (a) False (b) True
  7. 7.💡 Who gave us the electric battery? (a) Alexander Fleming (b) the Wright brothers (c) Johannes Gutenberg (d) Alessandro Volta
  8. 8.💡 Who gave us the first aeroplane? (a) Johannes Gutenberg (b) Louis Braille (c) the Wright brothers (d) René Laennec
  9. 9.🔧 Which invention helps us do sums quickly? (a) telescope (b) printing press (c) calculator (d) stethoscope
  10. 10.What does a microscope help us do? (a) do sums quickly (b) see tiny germs (c) print many books (d) hear the heartbeat
  11. 11.🔧 Which invention helps us talk to people far away? (a) clock (b) stethoscope (c) printing press (d) telephone
  12. 12.True or false: Edward Jenner gave us the electric battery. (a) True (b) False
  13. 13.What does a compass help us do? (a) see tiny germs (b) find directions (c) measure body temperature (d) talk to people far away
  14. 14.What does a telephone help us do? (a) do sums quickly (b) find directions (c) talk to people far away (d) measure body temperature
  15. 15.🔧 Which invention helps us find directions? (a) telescope (b) compass (c) thermometer (d) printing press
  16. 16.What did Alessandro Volta give us? (a) the telephone (b) penicillin (c) the stethoscope (d) the electric battery
  17. 17.True or false: René Laennec gave us the smallpox vaccine. (a) True (b) False
  18. 18.True or false: a microscope helps us see tiny germs. (a) True (b) False
  19. 19.🔧 Which invention helps us print many books? (a) printing press (b) calculator (c) telephone (d) stethoscope
  20. 20.True or false: a telephone helps us measure body temperature. (a) False (b) True
  21. 21.💡 Who gave us the printing press? (a) René Laennec (b) the Wright brothers (c) Alexander Fleming (d) Johannes Gutenberg
  22. 22.💡 Who gave us the smallpox vaccine? (a) Wilhelm Röntgen (b) Edward Jenner (c) Johannes Gutenberg (d) Alexander Graham Bell
  23. 23.True or false: the Wright brothers gave us the first aeroplane. (a) False (b) True
  24. 24.True or false: a telescope helps us see faraway stars. (a) False (b) True
  25. 25.What does a calculator help us do? (a) find directions (b) see tiny germs (c) do sums quickly (d) print many books
  26. 26.True or false: Edward Jenner gave us the telephone. (a) False (b) True
  27. 27.What did Johannes Gutenberg give us? (a) the electric battery (b) X-rays (c) the printing press (d) the first aeroplane
  28. 28.True or false: Wilhelm Röntgen gave us the stethoscope. (a) False (b) True
  29. 29.True or false: the Wright brothers gave us the printing press. (a) True (b) False
  30. 30.What does a telescope help us do? (a) see tiny germs (b) hear the heartbeat (c) talk to people far away (d) see faraway stars
  31. 31.What does a clock help us do? (a) see tiny germs (b) tell the time (c) do sums quickly (d) print many books
  32. 32.What did Louis Braille give us? (a) the electric battery (b) raised-dot writing (c) penicillin (d) the smallpox vaccine
  33. 33.True or false: Alexander Fleming gave us X-rays. (a) True (b) False
  34. 34.💡 Who gave us the telephone? (a) the Wright brothers (b) Alexander Graham Bell (c) Alessandro Volta (d) Johannes Gutenberg
  35. 35.True or false: a telephone helps us see faraway stars. (a) True (b) False
  36. 36.True or false: a telephone helps us do sums quickly. (a) True (b) False
  37. 37.🔧 Which invention helps us measure body temperature? (a) stethoscope (b) clock (c) thermometer (d) calculator
  38. 38.True or false: Johannes Gutenberg gave us the printing press. (a) True (b) False
  39. 39.What did Alexander Fleming give us? (a) penicillin (b) the telephone (c) X-rays (d) the printing press
  40. 40.True or false: a clock helps us tell the time. (a) False (b) True

Answer key

  1. True
  2. René Laennec
  3. hear the heartbeat
  4. Louis Braille
  5. True
  6. False
  7. Alessandro Volta
  8. the Wright brothers
  9. calculator
  10. see tiny germs
  11. telephone
  12. False
  13. find directions
  14. talk to people far away
  15. compass
  16. the electric battery
  17. False
  18. True
  19. printing press
  20. False
  21. Johannes Gutenberg
  22. Edward Jenner
  23. True
  24. True
  25. do sums quickly
  26. False
  27. the printing press
  28. False
  29. False
  30. see faraway stars
  31. tell the time
  32. raised-dot writing
  33. False
  34. Alexander Graham Bell
  35. False
  36. False
  37. thermometer
  38. True
  39. penicillin
  40. True

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