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Class 4 GK Worksheet: Inventions and Inventors

GK lesson 21: Inventions and inventors · Set 707 · 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 the stethoscope? (a) Johannes Gutenberg (b) the Wright brothers (c) Alexander Fleming (d) René Laennec
  2. 2.What does a microscope help us do? (a) print many books (b) see faraway stars (c) see tiny germs (d) talk to people far away
  3. 3.🔧 Which invention helps us tell the time? (a) thermometer (b) telescope (c) stethoscope (d) clock
  4. 4.What did Alexander Fleming give us? (a) raised-dot writing (b) the first aeroplane (c) penicillin (d) the electric battery
  5. 5.True or false: René Laennec gave us penicillin. (a) True (b) False
  6. 6.What does a telephone help us do? (a) see tiny germs (b) print many books (c) talk to people far away (d) do sums quickly
  7. 7.💡 Who gave us the telephone? (a) Louis Braille (b) Johannes Gutenberg (c) Alexander Fleming (d) Alexander Graham Bell
  8. 8.What does a compass help us do? (a) print many books (b) find directions (c) tell the time (d) see tiny germs
  9. 9.What did Wilhelm Röntgen give us? (a) raised-dot writing (b) the printing press (c) the stethoscope (d) X-rays
  10. 10.What did Alexander Graham Bell give us? (a) the telephone (b) X-rays (c) the electric battery (d) the printing press
  11. 11.True or false: a calculator helps us tell the time. (a) True (b) False
  12. 12.True or false: Alexander Graham Bell gave us the telephone. (a) True (b) False
  13. 13.🔧 Which invention helps us talk to people far away? (a) clock (b) compass (c) stethoscope (d) telephone
  14. 14.True or false: Louis Braille gave us X-rays. (a) True (b) False
  15. 15.💡 Who gave us raised-dot writing? (a) Louis Braille (b) Edward Jenner (c) Alexander Graham Bell (d) René Laennec
  16. 16.💡 Who gave us the printing press? (a) Louis Braille (b) Johannes Gutenberg (c) the Wright brothers (d) Edward Jenner
  17. 17.What does a printing press help us do? (a) print many books (b) do sums quickly (c) tell the time (d) talk to people far away
  18. 18.💡 Who gave us penicillin? (a) Johannes Gutenberg (b) Alexander Fleming (c) Alexander Graham Bell (d) Edward Jenner
  19. 19.True or false: René Laennec gave us the telephone. (a) False (b) True
  20. 20.True or false: Alexander Graham Bell gave us the electric battery. (a) True (b) False
  21. 21.True or false: the Wright brothers gave us the first aeroplane. (a) True (b) False
  22. 22.What did Louis Braille give us? (a) the stethoscope (b) the first aeroplane (c) the telephone (d) raised-dot writing
  23. 23.🔧 Which invention helps us find directions? (a) clock (b) telescope (c) microscope (d) compass
  24. 24.💡 Who gave us the first aeroplane? (a) Louis Braille (b) the Wright brothers (c) Alexander Graham Bell (d) René Laennec
  25. 25.🔧 Which invention helps us see tiny germs? (a) compass (b) printing press (c) microscope (d) telephone
  26. 26.What does a calculator help us do? (a) tell the time (b) see tiny germs (c) do sums quickly (d) talk to people far away
  27. 27.What did Johannes Gutenberg give us? (a) raised-dot writing (b) the stethoscope (c) the printing press (d) X-rays
  28. 28.🔧 Which invention helps us hear the heartbeat? (a) telephone (b) telescope (c) compass (d) stethoscope
  29. 29.True or false: a clock helps us tell the time. (a) True (b) False
  30. 30.True or false: a stethoscope helps us tell the time. (a) False (b) True
  31. 31.True or false: a printing press helps us print many books. (a) True (b) False
  32. 32.What did René Laennec give us? (a) X-rays (b) the telephone (c) the stethoscope (d) penicillin
  33. 33.🔧 Which invention helps us do sums quickly? (a) stethoscope (b) calculator (c) compass (d) thermometer
  34. 34.True or false: a telephone helps us talk to people far away. (a) True (b) False
  35. 35.True or false: Wilhelm Röntgen gave us the smallpox vaccine. (a) True (b) False
  36. 36.True or false: a printing press helps us see tiny germs. (a) True (b) False
  37. 37.What does a stethoscope help us do? (a) measure body temperature (b) hear the heartbeat (c) find directions (d) talk to people far away
  38. 38.True or false: Louis Braille gave us the telephone. (a) False (b) True
  39. 39.What did Alessandro Volta give us? (a) raised-dot writing (b) the first aeroplane (c) penicillin (d) the electric battery
  40. 40.True or false: a stethoscope helps us print many books. (a) True (b) False

Answer key

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

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